Today's Weather Forecast - San Jose
Today's weather in San Jose. high 26°C (79°F), low 16°C (61°F). Partly Cloudy.
Today’s Hourly Weather Outlook
- Wind speed
- 9 km/h
- Rain probability
- 0%
- Wind speed
- 18 km/h
- Rain probability
- 0%
- Wind speed
- 16 km/h
- Rain probability
- 0%
- Wind speed
- 10 km/h
- Rain probability
- 0%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: PM2.5
- Monitoring station
- San Jose - Jackson St, Santa Clara, California
- PM2.5
- 21μg/m³
- O₃
- 19.2ppb
- NO₂
- 4.2ppb
- CO
- 2.3ppm
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
San Jose is forecast to reach a high of 26°C today, with an overnight low around 16°C. That's 4° below the long-term average high of 30°C for this time of year. It continues a recent pattern — 11 of the last 28 days with published data have run cooler than normal. Expect little chance of rain (0% probability) and a gentle breeze averaging 18 km/h. Air quality is currently Moderate (AQI 62), driven mainly by PM2.5 at 14 μg/m³.
Today vs Normal
The long-term average high for today is 30°C.
11 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running below normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.