Brentwood Weather

TownSan Francisco Bay Area

Eastern suburbs, very hot and dry

76°
🙂
Comfort Score
82(B)
Great
Weather updated August 16, 2026 at 9:31 PM PDT

Brentwood weather at a glance

Brentwood is a town at 85 feet in San Francisco Bay Area. Eastern suburbs, very hot and dry. Notable features include sunny, hot, and agricultural.

Current conditions are 76°F, feeling like 76°F, with 47% humidity, winds near 4 mph, 100% cloud cover, and a 0% chance of precipitation. Warm and overcast.

The location-specific climate baseline shows an average daily high of 74°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 12.1 inches.

Current Conditions

Temperature
76°F
Feels like 76°F
Humidity
47%
Wind
4 mph
NW • Gusts 8 mph
Cloud Cover
100%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Temperature94
Wind90
Night Sky5
Humidity100
Precipitation100

Hourly Forecast

Today

TimeTempComfortAQIWindPrecipConditions
Now77°80 (B)5 mph0%☁️ Cloudy
10pm75°84 (B)4 mph0%☁️ Cloudy
11pm73°86 (A-)4 mph0%☁️ Cloudy

Tomorrow

TimeTempComfortAQIWindPrecipConditions
12am71°86 (A-)4 mph0%☁️ Cloudy
1am69°86 (A-)4 mph0%☁️ Cloudy
2am67°84 (B)3 mph0%☁️ Cloudy
3am66°82 (B)4 mph0%☁️ Cloudy
4am65°80 (B)3 mph0%☁️ Cloudy
5am63°77 (B)2 mph0%☁️ Cloudy
6am63°77 (B)3 mph0%☁️ Cloudy
7am64°79 (B)2 mph0%☁️ Cloudy
8am67°83 (B)1 mph0%☁️ Cloudy
How to read the Brentwood hourly chart

The hourly chart follows the next 48 forecast hours at Brentwood. 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 Brentwood. 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 Brentwood

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

7-Day Forecast

DayHigh/LowComfortPrecipConditions
Today92° / 57°72 (B-)0%☀️ Sunny
Mon🏆 Best93° / 63°75 (B)0%☀️ Sunny
Tue97° / 56°72 (B-)0%☀️ Sunny
Wed105° / 62°74 (B-)0%☀️ Sunny
Thu103° / 63°75 (B)0%☀️ Sunny
Fri102° / 63°75 (B)0%☀️ Sunny
Sat101° / 64°74 (B-)1%☀️ Sunny

Best day this week: Mon (Comfort score: 75)

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
92°Fforecast
2° above normal
Normal: 90°F
Rainfall Year-to-Date
10.9"
17% above average
30-yr avg: 9.3"
Sunny Days
23last 28 days
3 fewer than baseline
Recent baseline: 26
Foggy Days
3last 28 days
vs 2 recent baseline
Foggier than usual
Avg Wind Speed
5.5 mphlast 28 days
1.4 mph calmer than baseline
Recent baseline: 6.9 mph
Comfort Score
9128-day avg
On par with typical
Recent baseline: 93
What the Brentwood climate comparisons mean

These cards compare recent conditions at Brentwood 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 Brentwood 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

84
Avg Comfort
74.3°
Avg High
49.7°
Avg Low
71%
Perfect Days
☀️ Avg Sunshine (recent)9.5h/day
🌫️ Avg Fog (recent)1.1h/day
💧 Avg Annual Rain12.1"
🌧️ Rainy Days/yr71 (19%)
🌫️ Foggy Days/yr (recent)52
✨ Perfect Days (80+)461

🌟 Best Months to Visit

1. May85
79.1° / 52.4° · ☀️ 12.5h
1 foggy days · 5 rainy days
2. June80
86.1° / 57.1° · ☀️ 13.7h
0 foggy days · 5 rainy days
3. March76
67.1° / 45.2° · ☀️ 10.1h
1 foggy days · 7 rainy days

⚠️ Challenging Months

1. December33
56.7° / 39.3° · ☀️ 5.3h
💧 3.1" · 8 rainy days · 19 foggy days
2. January39
56.4° / 39.7° · ☀️ 7.2h
💧 3.1" · 8 rainy days · 9 foggy days
3. February52
62° / 42.7° · ☀️ 6.8h
💧 2.8" · 7 rainy days · 7 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
August 20248293.3° / 59.9°12.2h0d0.03"19
September 20248591.1° / 58.6°11h0d0.14"23
October 20248584.5° / 57.2°9.9h0d0.72"22
November 20248263° / 45.5°7.1h2d4.27"22
December 20247257.8° / 43.2°5.8h16d3.93"12
January 20258358.5° / 39.4°7.8h4d1.04"24
February 20257860.7° / 43.6°6.9h4d4.86"17
March 20258562.9° / 44.6°9.3h2d2.38"25
April 20259472.5° / 48.1°11h3d0.36"28
May 20259182° / 53.3°13h0d0.14"30
June 20259287.1° / 55.5°13.7h0d0"30
July 20259089.2° / 58.4°13.3h0d0.02"29
August 20258493.8° / 60.6°12.4h0d0"24
September 20258988° / 61.6°10.7h0d0.18"28
October 20259173.6° / 54.1°8.6h3d2.11"25
November 20257762.9° / 49.1°6.1h11d3.57"15
December 20256453.9° / 42.8°4.8h21d4.23"3
January 20267256.6° / 42°6.5h13d2.6"10
February 20267761.8° / 44.8°6.8h10d4.44"13
March 20269576.1° / 51.7°10.9h0d0.76"30
April 20268970.8° / 49.6°10.9h2d3.02"23
May 20269376.8° / 52.9°11h1d0.06"9
Last updated: 5/10/2026

Climate Trends

Average Temperature by Month

99°F83°F67°F50°F34°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 Brentwood climate charts

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

This heatmap shows how average temperature at Brentwood 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 Brentwood

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

This heatmap shows the typical hourly wind pattern at Brentwood 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 Brentwood

This heatmap shows average cloud cover at Brentwood 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 Brentwood

This heatmap shows the average solar radiation reaching Brentwood 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
37.9318, -121.6958
⛰️
Elevation
85 ft
🏷️
Type
Town
🏷️
Tags
#sunny#hot#agricultural
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Brentwood

What is the weather at Brentwood right now?

Current conditions at Brentwood are 76°F, feeling like 76°F, with 47% humidity, winds near 4 mph, 100% cloud cover, and a 0% chance of precipitation. Warm and overcast

What temperatures are typical at Brentwood?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 74°F and an average low of 50°F at Brentwood. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Brentwood get?

The location-specific climate baseline estimates about 12.1 inches of precipitation and 71 days with measurable rain in a typical year at Brentwood. The monthly breakdown shows when that rain is most likely.

How often is Brentwood foggy?

Brentwood 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 Brentwood for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are March 2026 (76°F/52°F average high/low and a 95 comfort score), April 2025 (73°F/48°F average high/low and a 94 comfort score), and May 2026 (77°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 Brentwood?

Brentwood is a town at 85 feet. Eastern suburbs, very hot and dry. Notable features include sunny, hot, and agricultural.

💡 Local Tip: San Francisco Bay Area weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Brentwood.
DestinationsEvent WeatherFog Heat Map🔒Privacy Policy📄Terms of Service