Brentwood weather
At 5:00 PM local time it was clear and 17°C (63°F). Light rain for 2 of the next 24 hours (under 1 mm/h, 0.4 mm total) — cloudy, but fine to be out. Best months for weather: Apr–Oct. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Brentwood, California, United States.
Current conditions
- Clouds
- 6%
- Chance of rain
- 2%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 2 of the next 24 hours (under 1 mm/h, 0.4 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Apr–OctOff season Dec–Feb
About Brentwood weather
Is it raining in Brentwood right now?
No. It’s clear and 17° right now. Light rain for 2 of the next 24 hours (under 1 mm/h, 0.4 mm total) — cloudy, but fine to be out.
What’s the weather like in Brentwood this week?
Over the next 7 days, expect highs of 17–25° and lows of 7–11°. Little rain is expected. The driest day looks like Monday.
Has it been raining in Brentwood lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Brentwood?
For the coming week, bring a warm layer for the evenings.
Brentwood weather by month
When is the best time to visit Brentwood?
Based on weather alone, the best time to visit Brentwood is Apr–Oct, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 13°C (56°F) in January to 30°C (86°F) in July.
What is the rainiest month in Brentwood?
December is the wettest month, with about 101 mm (4.0 in) of rain on average. July is the driest, with about 0 mm (0.0 in).
What is the hottest month in Brentwood?
July is the warmest, with average highs of 30°C (86°F) and lows of 11°C (52°F). January is the coolest, with highs of 13°C (56°F) and lows of 3°C (38°F).
Does Brentwood have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is December at about 101 mm (4.0 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months