Millbrae Weather

Town • San Francisco Bay Area

Small city with transit hub

76°
😎
Comfort Score
97(A)
Perfect
Weather updated October 1, 2026 at 1:16 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 76°F, feeling like 79°F, with 54% humidity, winds near 5 mph, 3% cloud cover, and a 0% chance of precipitation. Warm 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

Drag or swipe to browse
  1. Best day
    Today
    Oct 1
    82°52°
    Comfort
    86
    0%
    Precip 0 in
  2. Fri
    Oct 2
    85°53°
    Comfort
    76
    0%
    Precip 0 in
  3. Sat
    Oct 3
    96°56°
    Comfort
    59
    0%
    Precip 0 in
  4. Sun
    Oct 4
    91°73°
    Comfort
    71
    0%
    Precip 0 in
  5. Mon
    Oct 5
    92°70°
    Comfort
    67
    0%
    Precip 0 in
  6. Tue
    Oct 6
    93°69°
    Comfort
    66
    0%
    Precip 0 in
  7. Wed
    Oct 7
    94°73°
    Comfort
    64
    0%
    Precip 0 in
  8. Thu
    Oct 8
    101°78°
    Comfort
    58
    2%
    Precip 0 in
  9. Fri
    Oct 9
    91°74°
    Comfort
    71
    1%
    Precip 0 in
  10. Sat
    Oct 10
    90°68°
    Comfort
    71
    2%
    Precip 0 in

Hour by hour

Hourly Forecast

Drag or swipe to browse
  1. Today
    Now
    75°
    Comfort
    97
    0%
    0 in
  2. Today
    2 PM
    79°
    Comfort
    91
    0%
    0 in
  3. Today
    3 PM
    81°
    Comfort
    88
    0%
    0 in
  4. Today
    4 PM
    82°
    Comfort
    89
    0%
    0 in
  5. Today
    5 PM
    79°
    Comfort
    96
    0%
    0 in
  6. Today
    6 PM
    75°
    Comfort
    96
    0%
    0 in
  7. Sunset6:52 PM
  8. Today
    7 PM
    69°
    Comfort
    96
    0%
    0 in
  9. Today
    8 PM
    64°
    Comfort
    94
    0%
    0 in
  10. Today
    9 PM
    62°
    Comfort
    93
    0%
    0 in
  11. Today
    10 PM
    61°
    Comfort
    92
    0%
    0 in
  12. Today
    11 PM
    59°
    Comfort
    90
    0%
    0 in
  13. Fri
    12 AM
    58°
    Comfort
    88
    0%
    0 in
  14. Fri
    1 AM
    57°
    Comfort
    84
    0%
    0 in
  15. Fri
    2 AM
    56°
    Comfort
    81
    0%
    0 in
  16. Fri
    3 AM
    56°
    Comfort
    83
    0%
    0 in
  17. Fri
    4 AM
    56°
    Comfort
    82
    0%
    0 in
  18. Fri
    5 AM
    55°
    Comfort
    79
    0%
    0 in
  19. Fri
    6 AM
    54°
    Comfort
    79
    0%
    0 in
  20. Fri
    7 AM
    53°
    Comfort
    78
    0%
    0 in
  21. Sunrise7:06 AM
  22. Fri
    8 AM
    55°
    Comfort
    79
    0%
    0 in
  23. Fri
    9 AM
    58°
    Comfort
    86
    0%
    0 in
  24. Fri
    10 AM
    61°
    Comfort
    88
    0%
    0 in
  25. Fri
    11 AM
    68°
    Comfort
    88
    0%
    0 in
  26. Fri
    12 PM
    74°
    Comfort
    88
    0%
    0 in
  27. Fri
    1 PM
    77°
    Comfort
    95
    0%
    0 in
  28. Fri
    2 PM
    81°
    Comfort
    90
    0%
    0 in
  29. Fri
    3 PM
    84°
    Comfort
    87
    0%
    0 in
  30. Fri
    4 PM
    85°
    Comfort
    86
    0%
    0 in
  31. Fri
    5 PM
    84°
    Comfort
    89
    0%
    0 in
  32. Fri
    6 PM
    78°
    Comfort
    94
    0%
    0 in
  33. Sunset6:50 PM
  34. Fri
    7 PM
    71°
    Comfort
    92
    0%
    0 in
  35. Fri
    8 PM
    66°
    Comfort
    92
    0%
    0 in
  36. Fri
    9 PM
    63°
    Comfort
    92
    0%
    0 in
  37. Fri
    10 PM
    62°
    Comfort
    89
    0%
    0 in
  38. Fri
    11 PM
    60°
    Comfort
    89
    0%
    0 in
  39. Sat
    12 AM
    58°
    Comfort
    89
    0%
    0 in
  40. Sat
    1 AM
    58°
    Comfort
    85
    0%
    0 in
  41. Sat
    2 AM
    56°
    Comfort
    80
    0%
    0 in
  42. Sat
    3 AM
    59°
    Comfort
    88
    0%
    0 in
  43. Sat
    4 AM
    63°
    Comfort
    91
    0%
    0 in
  44. Sat
    5 AM
    67°
    Comfort
    96
    0%
    0 in
  45. Sat
    6 AM
    70°
    Comfort
    99
    0%
    0 in
  46. Sat
    7 AM
    69°
    Comfort
    98
    0%
    0 in
  47. Sunrise7:07 AM
  48. Sat
    8 AM
    70°
    Comfort
    99
    0%
    0 in
  49. Sat
    9 AM
    73°
    Comfort
    99
    0%
    0 in
  50. Sat
    10 AM
    76°
    Comfort
    99
    0%
    0 in
  51. Sat
    11 AM
    79°
    Comfort
    99
    0%
    0 in
  52. Sat
    12 PM
    82°
    Comfort
    92
    0%
    0 in

Current Conditions

Temperature
76°F
Feels like 79°F
Humidity
54%
Dew point 58°F
Wind
5 mph
NW • Gusts 6 mph
Cloud Cover
3%
bright
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal94
Wind100
Sky Comfort97
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
82°Fforecast
13° above normal
Normal: 69°F
Rainfall Year-to-Date
15.2"
2% above average
30-yr avg: 15.0"
Sunny Days
27last 28 days
1 fewer than baseline
Recent baseline: 28
Foggy Days
4last 28 days
vs 2 recent baseline
Foggier than usual
Avg Wind Speed
9.5 mphlast 28 days
1.2 mph calmer than baseline
Recent baseline: 10.7 mph
Comfort Score
9328-day avg
On par with typical
Recent baseline: 93
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

85
Avg Comfort
64.7°
Avg High
50.2°
Avg Low
75%
Perfect Days
☀️ Avg Sunshine (recent)8.9h/day
🌫️ Avg Fog (recent)1h/day
💧 Avg Annual Rain27.1"
🌧️ Rainy Days/yr83 (23%)
🌫️ Foggy Days/yr (recent)38
✨ Perfect Days (80+)506

🌟 Best Months to Visit

1. September79
70.8° / 55.1° · ☀️ 9.6h
1 foggy days · 5 rainy days
2. May77
65.4° / 51.2° · ☀️ 11.7h
3 foggy days · 6 rainy days
3. June76
68.1° / 53° · ☀️ 12.2h
5 foggy days · 5 rainy days

⚠️ Challenging Months

1. December32
57.8° / 44.8° · ☀️ 5h
💧 6.2" · 11 rainy days · 9 foggy days
2. February48
59.7° / 46.1° · ☀️ 6.7h
💧 5.6" · 10 rainy days · 4 foggy days
3. January49
57.9° / 44.8° · ☀️ 6.6h
💧 6.2" · 10 rainy days · 2 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
October 20249161.4° / 49.5°9h0d0.06"2
November 20247960.5° / 48.6°6.5h2d5.24"20
December 20247158.7° / 47.9°5.2h5d6.47"12
January 20258258.5° / 44.9°6.6h2d0.2"21
February 20257559.3° / 45.9°6.7h5d7.5"14
March 20258259.4° / 46.5°8.5h0d2.24"20
April 20258963.2° / 47.6°9.3h0d0.47"24
May 20259066.7° / 50.5°12h1d0.16"27
June 20259066.8° / 51.4°12.2h7d0"25
July 20259268.7° / 54.1°11.2h3d0"31
August 20259273.8° / 56.6°10.9h3d0.06"31
September 20259173.8° / 59.2°9.6h1d0.07"29
October 20258968.8° / 54.7°7.8h1d1.25"26
November 20257962.3° / 51.2°6.2h6d4.19"13
December 20256956.4° / 47°4.8h12d4.93"6
January 20267859.7° / 47.2°6.5h2d5.91"18
February 20267761.4° / 48.4°6.6h3d4.69"16
March 20269372.8° / 53.2°9.5h1d0.02"29
April 20268663.7° / 50.5°9.3h2d4.28"23
May 20269065.8° / 51.6°11.4h4d0.33"29
June 20269370.4° / 54.1°12.1h2d0"30
July 20269170.7° / 55.7°11.5h4d0"29
August 20269372.5° / 55.8°10.7h4d0"31
Last updated: 9/2/2026

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 76°F, feeling like 79°F, with 54% humidity, winds near 5 mph, 3% cloud cover, and a 0% chance of precipitation. Warm 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 (73°F/53°F average high/low and a 93 comfort score), June 2026 (70°F/54°F average high/low and a 93 comfort score), and August 2026 (73°F/56°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 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.