Los Altos Hills Weather

TownSan Francisco Bay Area

Hillside estates, very warm

73°
😎
Comfort Score
96(A)
Perfect
Weather updated September 12, 2026 at 4:21 PM PDT

Los Altos Hills weather at a glance

Los Altos Hills is a town at 656 feet in San Francisco Bay Area. Hillside estates, very warm. Notable features include sunny, hot, upscale, and above-fog.

Current conditions are 73°F, feeling like 67°F, with 43% humidity, winds near 14 mph, 0% cloud cover, and a 0% chance of precipitation. Warm and breezy with clear skies.

The location-specific climate baseline shows an average daily high of 70°F and an average low of 47°F, with about 0.0 hours of sunshine per day and 0.0 hours of morning fog per day. Expected annual precipitation is approximately 15.1 inches.

Plan your week

10-Day Forecast

Drag or swipe to browse
  1. Today
    Sep 12
    81°59°
    Comfort
    92
    0%
    Precip 0 in
  2. Sun
    Sep 13
    72°53°
    Comfort
    95
    0%
    Precip 0 in
  3. Mon
    Sep 14
    81°58°
    Comfort
    91
    0%
    Precip 0 in
  4. Tue
    Sep 15
    81°56°
    Comfort
    91
    0%
    Precip 0 in
  5. Wed
    Sep 16
    81°59°
    Comfort
    92
    1%
    Precip 0 in
  6. Thu
    Sep 17
    81°61°
    Comfort
    92
    0%
    Precip 0 in
  7. Best day
    Fri
    Sep 18
    79°61°
    Comfort
    96
    1%
    Precip 0 in
  8. Sat
    Sep 19
    79°56°
    Comfort
    94
    1%
    Precip 0 in
  9. Sun
    Sep 20
    81°57°
    Comfort
    84
    3%
    Precip 0 in
  10. Mon
    Sep 21
    77°58°
    Comfort
    90
    4%
    Precip 0 in

Hour by hour

Hourly Forecast

Drag or swipe to browse
  1. Today
    Now
    74°
    Comfort
    97
    0%
    0 in
  2. Today
    5 PM
    70°
    Comfort
    95
    0%
    0 in
  3. Today
    6 PM
    66°
    Comfort
    91
    0%
    0 in
  4. Today
    7 PM
    63°
    Comfort
    91
    0%
    0 in
  5. Sunset7:20 PM
  6. Today
    8 PM
    61°
    Comfort
    88
    0%
    0 in
  7. Today
    9 PM
    60°
    Comfort
    90
    0%
    0 in
  8. Today
    10 PM
    59°
    Comfort
    89
    0%
    0 in
  9. Today
    11 PM
    59°
    Comfort
    89
    0%
    0 in
  10. Sun
    12 AM
    58°
    Comfort
    88
    0%
    0 in
  11. Sun
    1 AM
    57°
    Comfort
    86
    0%
    0 in
  12. Sun
    2 AM
    57°
    Comfort
    86
    0%
    0 in
  13. Sun
    3 AM
    56°
    Comfort
    85
    0%
    0 in
  14. Sun
    4 AM
    55°
    Comfort
    84
    0%
    0 in
  15. Sun
    5 AM
    54°
    Comfort
    83
    0%
    0 in
  16. Sun
    6 AM
    53°
    Comfort
    82
    0%
    0 in
  17. Sunrise6:49 AM
  18. Sun
    7 AM
    53°
    Comfort
    82
    0%
    0 in
  19. Sun
    8 AM
    58°
    Comfort
    88
    0%
    0 in
  20. Sun
    9 AM
    62°
    Comfort
    89
    0%
    0 in
  21. Sun
    10 AM
    65°
    Comfort
    90
    0%
    0 in
  22. Sun
    11 AM
    68°
    Comfort
    94
    0%
    0 in
  23. Sun
    12 PM
    70°
    Comfort
    97
    0%
    0 in
  24. Sun
    1 PM
    71°
    Comfort
    97
    0%
    0 in
  25. Sun
    2 PM
    72°
    Comfort
    98
    0%
    0 in
  26. Sun
    3 PM
    72°
    Comfort
    98
    0%
    0 in
  27. Sun
    4 PM
    71°
    Comfort
    97
    0%
    0 in
  28. Sun
    5 PM
    69°
    Comfort
    94
    0%
    0 in
  29. Sun
    6 PM
    67°
    Comfort
    91
    0%
    0 in
  30. Sun
    7 PM
    65°
    Comfort
    91
    0%
    0 in
  31. Sunset7:19 PM
  32. Sun
    8 PM
    62°
    Comfort
    91
    0%
    0 in
  33. Sun
    9 PM
    60°
    Comfort
    88
    0%
    0 in
  34. Sun
    10 PM
    60°
    Comfort
    86
    0%
    0 in
  35. Sun
    11 PM
    60°
    Comfort
    88
    0%
    0 in
  36. Mon
    12 AM
    60°
    Comfort
    88
    0%
    0 in
  37. Mon
    1 AM
    59°
    Comfort
    87
    0%
    0 in
  38. Mon
    2 AM
    60°
    Comfort
    87
    0%
    0 in
  39. Mon
    3 AM
    60°
    Comfort
    88
    0%
    0 in
  40. Mon
    4 AM
    59°
    Comfort
    86
    0%
    0 in
  41. Mon
    5 AM
    60°
    Comfort
    87
    0%
    0 in
  42. Mon
    6 AM
    59°
    Comfort
    86
    0%
    0 in
  43. Sunrise6:50 AM
  44. Mon
    7 AM
    58°
    Comfort
    85
    0%
    0 in
  45. Mon
    8 AM
    62°
    Comfort
    89
    0%
    0 in
  46. Mon
    9 AM
    67°
    Comfort
    96
    0%
    0 in
  47. Mon
    10 AM
    70°
    Comfort
    98
    0%
    0 in
  48. Mon
    11 AM
    73°
    Comfort
    100
    0%
    0 in
  49. Mon
    12 PM
    76°
    Comfort
    100
    0%
    0 in
  50. Mon
    1 PM
    77°
    Comfort
    99
    0%
    0 in
  51. Mon
    2 PM
    78°
    Comfort
    99
    0%
    0 in
  52. Mon
    3 PM
    80°
    Comfort
    99
    0%
    0 in

Current Conditions

Temperature
73°F
Feels like 67°F
Humidity
43%
Dew point 49°F
Wind
14 mph
NW • Gusts 19 mph
Cloud Cover
0%
bright
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal97
Wind85
Sky Comfort97
Moisture100
Precipitation100

Weather Maps

About the weather maps for Los Altos Hills

Each preview is centered on Los Altos Hills, with the red pin marking its approximate location. Satellite imagery provides cloud context, radar shows nearby precipitation, and the fog view shows the marine-layer or low-cloud field when that regional layer is available.

These images cover a wider area than the point forecast, so a nearby cloud or rain band may not be directly over Los Altos Hills. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
81°Fforecast
1° above normal
Normal: 80°F
Rainfall Year-to-Date
13.5"
1% above average
30-yr avg: 13.4"
Sunny Days
25last 28 days
1 more than baseline
Recent baseline: 24
Foggy Days
9last 28 days
vs 5 recent baseline
Foggier than usual
Avg Wind Speed
5.7 mphlast 28 days
Typical conditions
Recent baseline: 6.5 mph
Comfort Score
8628-day avg
4 pts below typical
Recent baseline: 90
What the Los Altos Hills climate comparisons mean

These cards compare recent conditions at Los Altos Hills with the available local baseline. Temperature and year-to-date rainfall use long-term normals when available; fog, sunshine, wind, and comfort use the matching recent or modeled baseline identified on each card.

Positive and negative differences describe how Los Altos Hills departs from its own usual pattern. They should not be read as a direct comparison with another city or as a forecast beyond the period shown.

Historical Climate Data

Long-term weather patterns and climate data

Data sources: NOAA URMA for recent temperature history, NOAA Stage IV for recent precipitation, NOAA HRRR for fog, cloud, wind, humidity, and sunshine signals, and NOAA 1991-2020 climate normals for long-term baselines.

Climate Overview

Based on NOAA 30-year temperature/rain normals (1991-2020) with recent fog/sun baseline

86
Avg Comfort
70.5°
Avg High
47.3°
Avg Low
79%
Perfect Days
☀️ Avg Sunshine (recent)9.7h/day
🌫️ Avg Fog (recent)1.3h/day
💧 Avg Annual Rain15.1"
🌧️ Rainy Days/yr79 (22%)
🌫️ Foggy Days/yr (recent)60
✨ Perfect Days (80+)509

🌟 Best Months to Visit

1. June89
77.6° / 51.9° · ☀️ 13.6h
0 foggy days · 5 rainy days
2. July84
79.9° / 54.6° · ☀️ 13.1h
2 foggy days · 5 rainy days
3. August84
80° / 54.6° · ☀️ 12.2h
1 foggy days · 5 rainy days

⚠️ Challenging Months

1. December37
59.2° / 40° · ☀️ 6.5h
💧 3.1" · 10 rainy days · 9 foggy days
2. January46
59.6° / 40.3° · ☀️ 7.6h
💧 3.1" · 10 rainy days · 6 foggy days
3. February52
62.3° / 42.3° · ☀️ 7.3h
💧 2.8" · 9 rainy days · 6 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
August 20249085.2° / 57.8°12.2h1d0.11"27
September 20249084.8° / 57.5°11h3d0.24"28
October 20248781.8° / 58.8°10h1d0.18"25
November 20248162.8° / 47.1°7.2h7d2.41"21
December 20247861.9° / 47.3°6.5h8d5.01"18
January 20258559° / 43°7.9h6d0.58"26
February 20257760.7° / 45.6°6.9h7d6.05"17
March 20257861° / 45.3°9.1h7d3.76"16
April 20259069.2° / 47.3°10.7h6d1.03"23
May 20259076.2° / 50.7°12.7h2d0.24"29
June 20259481° / 53.4°13.6h0d0"30
July 20259481.4° / 56.5°13.1h2d0"31
August 20259085.3° / 58.5°12.2h1d0.01"29
September 20259182.3° / 60.8°10.5h3d0.36"29
October 20258972.2° / 54.3°8.9h6d1.5"25
November 20258065° / 51°7.3h11d4.98"19
December 20257659.2° / 47.2°6.6h9d4.15"15
January 20268260.8° / 46.7°7.2h5d3.44"22
February 20268063.1° / 48°7.7h5d5.74"18
March 20269375.9° / 53.4°10.6h2d0.93"30
April 20268667.4° / 49.2°10.9h8d3.23"22
May 20268769° / 50.8°10.5h5d0.2"9
Last updated: 5/10/2026

Climate Trends

Average Temperature by Month

87°F75°F63°F50°F38°FOct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26Aug '26
Average High
Average Low
About the Los Altos Hills climate charts

The temperature chart compares average monthly highs and lows at Los Altos Hills, showing both the seasonal cycle and the typical day-to-night range. The comfort chart summarizes how often the combined weather pattern is favorable rather than judging temperature alone.

Precipitation shows the total recorded or modeled rainfall for each month at Los Altos Hills. Sunshine compares average bright-sky hours with the daylight available, while fog shows the average number of morning fog or low-cloud hours per day. Switch between the chart tabs to compare the same months across each measure.

Hourly Temperature, Fog, Wind, Cloud Cover, and Solar Radiation Patterns

Average local hour by month from 2014-09-30 to 2026-04-30

How to read the temperature heatmap for Los Altos Hills

This heatmap shows how average temperature at Los Altos Hills changes by hour and month. Read left to right for the seasons and top to bottom for the time of day; warmer colors identify the usual afternoon peaks and cooler colors show overnight and winter lows.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the fog heatmap for Los Altos Hills

This heatmap shows when fog or low cloud is most likely at Los Altos Hills. Darker cells mark month-and-hour combinations with a stronger historical fog signal, which helps separate overnight or morning fog from cloud that tends to linger into the afternoon.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the wind heatmap for Los Altos Hills

This heatmap shows the typical hourly wind pattern at Los Altos Hills through the year. It makes recurring afternoon wind, calmer overnight periods, and seasonal changes easier to compare than a single daily wind value.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the cloud cover heatmap for Los Altos Hills

This heatmap shows average cloud cover at Los Altos Hills for every month and hour. Use it to see whether cloudiness is mainly an overnight and morning pattern or commonly persists during the part of the day you plan to visit.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the solar radiation heatmap for Los Altos Hills

This heatmap shows the average solar radiation reaching Los Altos Hills by month and hour. Brighter cells indicate the strongest typical sun, while muted cells can reflect nighttime, shorter winter days, cloud cover, smoke, or terrain shading.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

Loading interactive climate heatmaps…

Location Details

📍
Coordinates
37.3774, -122.1458
⛰️
Elevation
656 ft
🏷️
Type
Town
🏷️
Tags
#sunny#hot#upscale#above-fog
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Los Altos Hills

What is the weather at Los Altos Hills right now?

Current conditions at Los Altos Hills are 73°F, feeling like 67°F, with 43% humidity, winds near 14 mph, 0% cloud cover, and a 0% chance of precipitation. Warm and breezy with clear skies

What temperatures are typical at Los Altos Hills?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 70°F and an average low of 47°F at Los Altos Hills. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Los Altos Hills get?

The location-specific climate baseline estimates about 15.1 inches of precipitation and 79 days with measurable rain in a typical year at Los Altos Hills. The monthly breakdown shows when that rain is most likely.

How often is Los Altos Hills foggy?

Los Altos Hills averages about 0.0 hours of morning fog per day across the location-specific climate baseline, with approximately 0 foggy days in a typical year. Fog varies considerably by season, so check the monthly breakdown and current forecast for visit planning.

What are the best months to visit Los Altos Hills for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are June 2025 (81°F/53°F average high/low and a 94 comfort score), July 2025 (81°F/57°F average high/low and a 94 comfort score), and March 2026 (76°F/53°F average high/low and a 93 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Los Altos Hills?

Los Altos Hills is a town at 656 feet. Hillside estates, very warm. Notable features include sunny, hot, upscale, and above-fog.

💡 Local Tip: San Francisco Bay Area weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Los Altos Hills.