Millbrae Weather

TownSan Francisco Bay Area

Small city with transit hub

59°
😕
Comfort Score
52(C-)
Fair
Weather updated August 16, 2026 at 9:16 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 59°F, feeling like 58°F, with 88% humidity, winds near 12 mph, 100% cloud cover, and a 0% chance of precipitation. Cool and breezy and humid and overcast.

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.

Current Conditions

Temperature
59°F
Feels like 58°F
Humidity
88%
Wind
12 mph
NW • Gusts 22 mph
Cloud Cover
100%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Temperature54
Wind40
Night Sky5
Humidity42
Precipitation100

Hourly Forecast

Today

TimeTempComfortAQIWindPrecipConditions
Now60°63 (C)10 mph1%☁️ Cloudy
10pm58°64 (C)8 mph0%☁️ Cloudy
11pm58°67 (C)2 mph0%☁️ Cloudy

Tomorrow

TimeTempComfortAQIWindPrecipConditions
12am57°62 (C)1 mph0%☁️ Cloudy
1am57°62 (C)1 mph0%☁️ Cloudy
2am56°59 (C-)4 mph0%☁️ Cloudy
3am56°59 (C-)4 mph1%☁️ Cloudy
4am55°58 (C-)2 mph1%☁️ Cloudy
5am55°60 (C)1 mph1%☁️ Cloudy
6am55°60 (C)2 mph0%☁️ Cloudy
7am54°54 (C-)1 mph0%☁️ Cloudy
8am59°70 (B-)1 mph0%☁️ Cloudy
How to read the Millbrae hourly chart

The hourly chart follows the next 48 forecast hours at Millbrae. Use the temperature view to see warming and cooling through the day, and the comfort view to see when the combined temperature, wind, clouds, precipitation, and air quality should feel most favorable.

The wind view compares sustained wind with stronger gusts at Millbrae. The AQI view uses the current observation for “Now” and modeled AQI-equivalent guidance for later hours when forecast smoke data is available.

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.

7-Day Forecast

DayHigh/LowComfortPrecipConditions
Today75° / 56°90 (A-)1%☀️ Sunny
Mon74° / 54°87 (A-)1%☀️ Sunny
Tue🏆 Best75° / 55°92 (A-)1%☀️ Sunny
Wed86° / 60°78 (B)0%☀️ Sunny
Thu83° / 60°84 (B)1%☀️ Sunny
Fri81° / 60°87 (A-)0%☀️ Sunny
Sat82° / 60°85 (A-)1%☀️ Sunny

Best day this week: Tue (Comfort score: 92)

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
75°Fforecast
5° above normal
Normal: 70°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 '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
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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 59°F, feeling like 58°F, with 88% humidity, winds near 12 mph, 100% cloud cover, and a 0% chance of precipitation. Cool and breezy and humid and overcast

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.
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