See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:38
Sunrise
17:34
Sunset
Moon
Waxing Gibbous
16:38
Moonrise
04:54
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for San Jose.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for San Jose.
View stargazing scoreWeather in San Jose today, September 25, 2026
San Jose looks damp on September 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.
Expect highs of 29°C and cooler readings close to 24°C. Moisture in the air spans 72%-100%, with the highest values around 23:00. Airflow remains manageable, reaching about 1.3 km/h around 12:00.
Through the afternoon wet weather remains a factor, with rain chances near 88% around 15:00. Cloud also stays substantial, close to 56% near 14:00. Expect visibility around 16.1 km. The sun rises at 05:38 and sets at 17:34, for a total of 11 hours 56 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 29°C.
Frequently asked questions about weather in San Jose
How warm does it get in San Jose?
The warmest month in San Jose is May, with average high temperatures of 33°C. The average temperature during this period is around 29°C.
How cold does it get in San Jose?
The coldest month in San Jose is February, with average low temperatures of 23°C. The average temperature during this period is around 26°C.
What is the wettest time of year in San Jose?
The wettest month in San Jose is July, with an average of 526mm of precipitation.
What is the driest time of year in San Jose?
The driest month in San Jose is March, with an average of 76mm of precipitation.
Explore more weather forecasts
- Polangui, Bicol
- Quezon City, National Capital Region
- Buhi, Bicol
- Davao, Davao
- Oas, Bicol
- Manila, National Capital Region
- Libon, Bicol
- Caloocan City, National Capital Region
- Ligao, Bicol
- Budta, Autonomous Region in Muslim Mindanao
- Iriga City, Bicol
- Malingao, Soccsksargen
- Tiwi, Bicol
- Cebu City, Central Visayas
- Bato, Bicol
- Valenzuela, National Capital Region
