See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Humid and Overcast
Feels Like: 23°
Min: 23°
Max: 31°
The next few hours will be mostly cloudy, with today reaching 31°C and dropping to 23°C. The coming days will be light rain
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:44
Sunrise
17:40
Sunset
Moon
Waxing Gibbous
17:07
Moonrise
04:39
Moonset
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View stargazing scoreWeather in San Alejo today, September 25, 2026
San Alejo starts September 25, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Morning plans should assume damp conditions, as rain chances climb toward 36% around 01:00. Cloud cover is also at its densest near 01:00 at roughly 96%.
Temperatures climb from an overnight low near 23°C toward a daytime high of about 31°C. Moisture in the air spans 59%-99%, with the highest values around 01:00. Airflow remains manageable, reaching about 2.8 km/h around 15:00.
Expect the wet theme to continue later, as rain odds reach 72% near 22:00. Cloud amounts hold near 95% around 23:00. Horizontal visibility sits around 15.5 km, briefly nearer 8.5 km. Daylight runs from 05:44 to 17:40, lasting 11 hours 56 minutes of sunlight today.
Taken together, San Alejo looks wet enough on September 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 31°C.
Frequently asked questions about weather in San Alejo
How warm does it get in San Alejo?
The warmest month in San Alejo is March, with average high temperatures of 36°C. The average temperature during this period is around 30°C.
How cold does it get in San Alejo?
The coldest month in San Alejo is December, with average low temperatures of 22°C. The average temperature during this period is around 27°C.
What is the wettest time of year in San Alejo?
The wettest month in San Alejo is June, with an average of 301mm of precipitation.
What is the driest time of year in San Alejo?
The driest month in San Alejo is February, with an average of 1mm of precipitation.
