Millbrae Weather

TownSan Francisco Bay Area

Small city with transit hub

82°
😎
Comfort Score
99(A)
Perfect
Weather updated September 9, 2026 at 9:32 PM PDT

Millbrae weather at a glance

Millbrae is a town at 26 feet in San Francisco Bay Area. Small city with transit hub. Notable features include residential, transit, and dining.

Current conditions are 82°F, feeling like 76°F, with 26% humidity, winds near 11 mph, 1% cloud cover, and a 0% chance of precipitation. Hot and breezy with clear skies.

The location-specific climate baseline shows an average daily high of 65°F and an average low of 50°F, with about 0.0 hours of sunshine per day and 0.0 hours of morning fog per day. Expected annual precipitation is approximately 27.1 inches.

Plan your week

10-Day Forecast

  1. Today
    Sep 9
    98°66°
    Comfort
    61
    1%
    Precip 0 in
  2. Thu
    Sep 10
    87°61°
    Comfort
    81
    1%
    Precip 0 in
  3. Fri
    Sep 11
    74°55°
    Comfort
    95
    3%
    Precip 0 in
  4. Best day
    Sat
    Sep 12
    72°60°
    Comfort
    98
    0%
    Precip 0 in
  5. Sun
    Sep 13
    77°59°
    Comfort
    97
    0%
    Precip 0 in
  6. Mon
    Sep 14
    85°59°
    Comfort
    85
    0%
    Precip 0 in
  7. Tue
    Sep 15
    75°58°
    Comfort
    97
    3%
    Precip 0 in
  8. Wed
    Sep 16
    81°59°
    Comfort
    92
    1%
    Precip 0 in
  9. Thu
    Sep 17
    84°60°
    Comfort
    88
    1%
    Precip 0 in
  10. Fri
    Sep 18
    81°61°
    Comfort
    85
    2%
    Precip 0 in

Pick your time

Hourly Forecast

  1. Today
    Now
    83°
    Comfort
    99
    1%
    0 in
  2. Today
    10 PM
    81°
    Comfort
    100
    1%
    0 in
  3. Today
    11 PM
    81°
    Comfort
    98
    1%
    0 in
  4. Thu
    12 AM
    77°
    Comfort
    99
    1%
    0 in
  5. Thu
    1 AM
    75°
    Comfort
    100
    1%
    0 in
  6. Thu
    2 AM
    74°
    Comfort
    99
    1%
    0 in
  7. Thu
    3 AM
    73°
    Comfort
    100
    1%
    0 in
  8. Thu
    4 AM
    73°
    Comfort
    99
    1%
    0 in
  9. Thu
    5 AM
    71°
    Comfort
    99
    1%
    0 in
  10. Thu
    6 AM
    69°
    Comfort
    99
    1%
    0 in
  11. Sunrise6:47 AM
  12. Thu
    7 AM
    68°
    Comfort
    98
    1%
    0 in
  13. Thu
    8 AM
    72°
    Comfort
    99
    1%
    0 in
  14. Thu
    9 AM
    80°
    Comfort
    94
    1%
    0 in
  15. Thu
    10 AM
    85°
    Comfort
    88
    1%
    0 in
  16. Thu
    11 AM
    87°
    Comfort
    85
    1%
    0 in
  17. Thu
    12 PM
    86°
    Comfort
    89
    0%
    0 in
  18. Thu
    1 PM
    85°
    Comfort
    91
    1%
    0 in
  19. Thu
    2 PM
    82°
    Comfort
    94
    1%
    0 in
  20. Thu
    3 PM
    80°
    Comfort
    96
    1%
    0 in
  21. Thu
    4 PM
    77°
    Comfort
    97
    1%
    0 in
  22. Thu
    5 PM
    74°
    Comfort
    96
    1%
    0 in
  23. Thu
    6 PM
    70°
    Comfort
    93
    1%
    0 in
  24. Thu
    7 PM
    67°
    Comfort
    92
    0%
    0 in
  25. Sunset7:24 PM
  26. Thu
    8 PM
    64°
    Comfort
    91
    0%
    0 in
  27. Thu
    9 PM
    63°
    Comfort
    94
    0%
    0 in
  28. Thu
    10 PM
    63°
    Comfort
    95
    0%
    0 in
  29. Thu
    11 PM
    61°
    Comfort
    94
    0%
    0 in
  30. Fri
    12 AM
    60°
    Comfort
    93
    0%
    0 in
  31. Fri
    1 AM
    59°
    Comfort
    91
    1%
    0 in
  32. Fri
    2 AM
    58°
    Comfort
    90
    1%
    0 in
  33. Fri
    3 AM
    57°
    Comfort
    89
    1%
    0 in
  34. Fri
    4 AM
    57°
    Comfort
    88
    1%
    0 in
  35. Fri
    5 AM
    56°
    Comfort
    88
    1%
    0 in
  36. Fri
    6 AM
    56°
    Comfort
    89
    0%
    0 in
  37. Sunrise6:48 AM
  38. Fri
    7 AM
    55°
    Comfort
    87
    0%
    0 in
  39. Fri
    8 AM
    59°
    Comfort
    92
    0%
    0 in
  40. Fri
    9 AM
    63°
    Comfort
    93
    1%
    0 in
  41. Fri
    10 AM
    65°
    Comfort
    94
    1%
    0 in
  42. Fri
    11 AM
    67°
    Comfort
    97
    1%
    0 in
  43. Fri
    12 PM
    69°
    Comfort
    97
    2%
    0 in
  44. Fri
    1 PM
    69°
    Comfort
    97
    2%
    0 in
  45. Fri
    2 PM
    70°
    Comfort
    98
    2%
    0 in
  46. Fri
    3 PM
    72°
    Comfort
    99
    2%
    0 in
  47. Fri
    4 PM
    73°
    Comfort
    99
    2%
    0 in
  48. Fri
    5 PM
    74°
    Comfort
    99
    2%
    0 in
  49. Fri
    6 PM
    73°
    Comfort
    99
    3%
    0 in
  50. Fri
    7 PM
    71°
    Comfort
    98
    3%
    0 in
  51. Sunset7:23 PM
  52. Fri
    8 PM
    68°
    Comfort
    96
    3%
    0 in

Current Conditions

Temperature
82°F
Feels like 76°F
Humidity
26%
Dew point 44°F
Wind
11 mph
NW • Gusts 16 mph
Cloud Cover
1%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal100
Wind93
Stars Visible100
Moisture100
Precipitation100

Weather Maps

About the weather maps for Millbrae

Each preview is centered on Millbrae, 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 Millbrae. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

Nearby Temperature Comparison

Conditions at nearby San Francisco Bay Area destinations

Tip: Bay Area temps can vary 20-30°F within a short distance due to microclimates.

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
98°Fforecast
27° above normal
Normal: 71°F
Rainfall Year-to-Date
13.6"
9% below average
30-yr avg: 15.0"
Sunny Days
26last 28 days
Right on track
Recent baseline: 26
Foggy Days
10last 28 days
vs 13 recent baseline
Clearer than usual
Avg Wind Speed
8.6 mphlast 28 days
Typical conditions
Recent baseline: 9.5 mph
Comfort Score
8128-day avg
On par with typical
Recent baseline: 81
What the Millbrae climate comparisons mean

These cards compare recent conditions at Millbrae 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 Millbrae 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

81
Avg Comfort
64.7°
Avg High
50.2°
Avg Low
66%
Perfect Days
☀️ Avg Sunshine (recent)9.4h/day
🌫️ Avg Fog (recent)2.2h/day
💧 Avg Annual Rain27.1"
🌧️ Rainy Days/yr83 (23%)
🌫️ Foggy Days/yr (recent)107
✨ Perfect Days (80+)422

🌟 Best Months to Visit

1. June69
68.1° / 53° · ☀️ 12.7h
9 foggy days · 5 rainy days
2. August66
69.9° / 55.6° · ☀️ 11.4h
9 foggy days · 5 rainy days
3. July65
68.8° / 54.9° · ☀️ 11.5h
19 foggy days · 5 rainy days

⚠️ Challenging Months

1. December33
57.8° / 44.8° · ☀️ 6.4h
💧 6.2" · 11 rainy days · 13 foggy days
2. January40
57.9° / 44.8° · ☀️ 7.7h
💧 6.2" · 10 rainy days · 8 foggy days
3. February43
59.7° / 46.1° · ☀️ 6.9h
💧 5.6" · 10 rainy days · 7 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
August 20248772.4° / 55.8°11.4h7d0.03"22
September 20248874.5° / 55.9°10.4h8d0.07"25
October 20248876.1° / 56.1°9.5h5d0.22"26
November 20247961.4° / 48.8°7.1h6d3.04"21
December 20247359.8° / 47.7°6.3h11d5.81"16
January 20258358.6° / 44.1°7.9h7d0.68"23
February 20257359.4° / 46.3°6.5h9d5.25"14
March 20257659.3° / 46.9°9.3h6d3.78"15
April 20258262.7° / 48°10.9h10d0.68"17
May 20258565.7° / 50.6°12.7h9d0.23"22
June 20258566.4° / 52°12.7h9d0"24
July 20258166.6° / 54°11.5h19d0.04"17
August 20258671.8° / 56.5°11.3h10d0.09"24
September 20258574.3° / 59°9.8h10d0.25"19
October 20258670° / 54.8°8.7h9d1.33"22
November 20257863.3° / 51.6°7.4h12d3.37"15
December 20257157.5° / 47.5°6.5h14d5.06"12
January 20267859.5° / 46.9°7.5h8d3.25"18
February 20267662° / 48.3°7.4h4d5.74"17
March 20269172.3° / 51.5°10.8h3d0.93"27
April 20268164.5° / 51.3°10.7h5d3.44"21
May 20267762.4° / 52.9°11.1h8d0.27"5
Last updated: 5/10/2026

Climate Trends

Average Temperature by Month

77°F68°F59°F51°F42°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 Millbrae climate charts

The temperature chart compares average monthly highs and lows at Millbrae, 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 Millbrae. 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 Millbrae

This heatmap shows how average temperature at Millbrae 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 Millbrae

This heatmap shows when fog or low cloud is most likely at Millbrae. 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 Millbrae

This heatmap shows the typical hourly wind pattern at Millbrae 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 Millbrae

This heatmap shows average cloud cover at Millbrae 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 Millbrae

This heatmap shows the average solar radiation reaching Millbrae 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
37.5985, -122.3872
⛰️
Elevation
26 ft
🏷️
Type
Town
🏷️
Tags
#residential#transit#dining
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Millbrae

What is the weather at Millbrae right now?

Current conditions at Millbrae are 82°F, feeling like 76°F, with 26% humidity, winds near 11 mph, 1% cloud cover, and a 0% chance of precipitation. Hot and breezy with clear skies

What temperatures are typical at Millbrae?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 65°F and an average low of 50°F at Millbrae. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Millbrae get?

The location-specific climate baseline estimates about 27.1 inches of precipitation and 83 days with measurable rain in a typical year at Millbrae. The monthly breakdown shows when that rain is most likely.

How often is Millbrae foggy?

Millbrae 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 Millbrae for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are March 2026 (72°F/52°F average high/low and a 91 comfort score), September 2024 (75°F/56°F average high/low and a 88 comfort score), and October 2024 (76°F/56°F average high/low and a 88 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Millbrae?

Millbrae is a town at 26 feet. Small city with transit hub. Notable features include residential, transit, and dining.

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