See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
9°
Partly Cloudy
Feels Like: 9°
Min: 7°
Max: 16°
The next few hours will be partly cloudy, with today reaching 16°C and dropping to 5°C. The coming days will be light rain until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:01
Sunrise
18:02
Sunset
Moon
Waxing Gibbous
17:24
Moonrise
05:03
Moonset
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View stargazing scoreWeather in San Francisco Airport today, September 25, 2026
Expect unsettled, showery conditions in San Francisco Airport on September 25, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Morning plans should assume damp conditions, as rain chances climb toward 96% around 11:00. Cloud cover is also at its densest near 11:00 at roughly 53%.
Temperatures climb from an overnight low near 7°C toward a daytime high of about 16°C. The air stays humid, with relative humidity between 55% and 99% and the peak around 19:00. A lighter breeze peaks around 13:00 near 2.0 km/h.
Afternoon showers stay in play, peaking near 100% around 14:00. Skies remain cluttered, with cover about 57% by 17:00. Expect visibility near 14.6 km, with poorer spells close to 8.1 km. Expect sunrise at 06:01, sunset at 18:02, and 12 hours 1 minutes of sunlight today overall.
In short, treat September 25, 2026 in San Francisco Airport as a damp day: pack covers, watch the wetter hours, and expect a high near 16°C.
Frequently asked questions about weather in San Francisco Airport
How warm does it get in San Francisco Airport?
The warmest month in San Francisco Airport is November, with average high temperatures of 21°C. The average temperature during this period is around 15°C.
How cold does it get in San Francisco Airport?
The coldest month in San Francisco Airport is July, with average low temperatures of 8°C. The average temperature during this period is around 13°C.
What is the wettest time of year in San Francisco Airport?
The wettest month in San Francisco Airport is December, with an average of 272mm of precipitation.
What is the driest time of year in San Francisco Airport?
The driest month in San Francisco Airport is July, with an average of 30mm of precipitation.
