Weather in Janesville, CA
Updated 2026-09-26 08:15 local time · ZIP codes 96114

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
49°11% rain
54°10% rain
59°10% rain
64°8% rain
68°6% rain
70°8% rain
71°9% rain
70°9% rain
68°9% rain
67°9% rain
64°9% rain
60°10% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 11%).
It feels like 44°F with winds near 2 mph.
70°F, 8% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 20 mph.
Current temperature is 49°F, wind 2 mph, rain chance up to 11%.
UV index is 0.
Local weather characteristics in Janesville
California weather varies from cool marine conditions along parts of the Pacific coast to hot inland valleys, deserts and snowy mountain climates. Short distances can produce large temperature differences.
Janesville is part of the West weather region. The forecast point is near 40.30°N latitude and 120.52°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Janesville weather today
Overcast and 49°F in Janesville, CA. Today's high is 71°F with a 9% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 46%, pressure is 30.01 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Janesville
Sunrise is at 06:53 AM and sunset is at 06:53 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 50°F. The maximum rain chance is 36%.