Weather in Saint Helena, CA
Updated 2026-08-11 10:45 local time · ZIP codes 94574
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
60°20% rain
82°2% rain87°1% rain90°1% rain93°0% rain92°0% rain90°0% rain87°0% rain83°1% rain75°1% rain
67°5% rain56°6% 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 6%).
It feels like 60°F with winds near 3 mph.
72°F, 5% rain chance and 4 mph wind.
Visibility is around 10 mi; gusts may reach 10 mph.
Current temperature is 60°F, wind 3 mph, rain chance up to 6%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Saint Helena weather today
Partly cloudy and 60°F in Saint Helena, CA. Today's high is 93°F with a 8% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 77%, pressure is 29.99 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Saint Helena
Sunrise is at 06:20 AM and sunset is at 08:09 PM. Tomorrow's forecast calls for Sunny with a high near 86°F and a low near 51°F. The maximum rain chance is 5%.