Weather in Nicasio, CA
Updated 2026-08-11 09:00 local time · ZIP codes 94946
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
59°9% rain
67°6% rain72°4% rain76°3% rain84°2% rain88°1% rain89°1% rain85°1% rain82°1% rain79°2% rain75°3% rain66°4% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 59°F with winds near 4 mph.
72°F, 4% rain chance and 6 mph wind.
Visibility is around 10 mi; gusts may reach 14 mph.
Current temperature is 59°F, wind 4 mph, rain chance up to 9%.
UV index is 2.
Nicasio weather today
Overcast and 59°F in Nicasio, CA. Today's high is 89°F with a 6% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 88%, pressure is 29.96 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Nicasio
Sunrise is at 06:22 AM and sunset is at 08:09 PM. Tomorrow's forecast calls for Sunny with a high near 72°F and a low near 54°F. The maximum rain chance is 17%.