See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Rain and Humid
Feels Like: 24°
Min: 24°
Max: 28°
The next few hours will be light rain and humid, with today reaching 28°C and dropping to 25°C. The coming days will be thunderstorms throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:47
Sunrise
17:42
Sunset
Moon
Waxing Gibbous
17:10
Moonrise
04:40
Moonset
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View stargazing scoreWeather in San Jose today, September 25, 2026
Rain features in San Jose on September 25, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 80% and the highest odds around 10:00. Cloud is also thick early on, peaking near 88% around 06:00.
Temperatures climb from an overnight low near 24°C toward a daytime high of about 28°C. Expect humidity between 88% and 99%, most humid near 03:00. Airflow remains manageable, reaching about 2.6 km/h around 00:00.
Expect the wet theme to continue later, as rain odds reach 84% near 13:00. Cloud amounts hold near 97% around 18:00. Horizontal visibility sits around 14.6 km, briefly nearer 7.3 km. Sunrise is at 05:47 and sunset at 17:42, giving 11 hours 55 minutes of sunlight today.
In short, treat September 25, 2026 in San Jose as a damp day: pack covers, watch the wetter hours, and expect a high near 28°C.