St. Helena, CA
Right Now
- Humidity: 90%
- Feels Like: 57°
- Heat Index: 57°
- Wind: 2 mph
- Wind Chill: 57°
- UV Index: 9 Very High
- Sunrise: 06:27:53 AM
- Sunset: 07:58:45 PM
- Dew Point: 55°
- Visibility: 9 mi
Today
Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 86F. Winds S at 5 to 10 mph.
Tonight
Clear to partly cloudy. Low 54F. Winds SW at 5 to 10 mph.
Tomorrow
Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 87F. Winds SW at 5 to 10 mph.
Next 12 Hours
Wind: SSW @ 2mph
Precip: 0% Chance
Humidity: 92%
Wind Chill: 57°
Heat Index: 57°
UV Index: 0 Low
Visibility: 5 mi
Wind: SSW @ 2mph
Precip: 0% Chance
Humidity: 92%
Wind Chill: 56°
Heat Index: 56°
UV Index: 0 Low
Visibility: 4 mi
Wind: S @ 2mph
Precip: 0% Chance
Humidity: 93%
Wind Chill: 56°
Heat Index: 56°
UV Index: 0 Low
Visibility: 4 mi
Wind: SSW @ 1mph
Precip: 0% Chance
Humidity: 96%
Wind Chill: 55°
Heat Index: 55°
UV Index: 0 Low
Visibility: 3 mi
Wind: SW @ 1mph
Precip: 1% Chance
Humidity: 97%
Wind Chill: 55°
Heat Index: 55°
UV Index: 0 Low
Visibility: 3 mi
Wind: SW @ 1mph
Precip: 5% Chance
Humidity: 97%
Wind Chill: 55°
Heat Index: 55°
UV Index: 0 Low
Visibility: 3 mi
Wind: S @ 1mph
Precip: 6% Chance
Humidity: 97%
Wind Chill: 55°
Heat Index: 55°
UV Index: 0 Low
Visibility: 5 mi
Wind: SSE @ 1mph
Precip: 7% Chance
Humidity: 91%
Wind Chill: 59°
Heat Index: 59°
UV Index: 1 Low
Visibility: 7 mi
Wind: SE @ 2mph
Precip: 5% Chance
Humidity: 86%
Wind Chill: 61°
Heat Index: 61°
UV Index: 2 Low
Visibility: 9 mi
Wind: SSE @ 3mph
Precip: 2% Chance
Humidity: 79%
Wind Chill: 64°
Heat Index: 64°
UV Index: 4 Moderate
Visibility: 10 mi
Wind: SSE @ 4mph
Precip: 1% Chance
Humidity: 71%
Wind Chill: 68°
Heat Index: 68°
UV Index: 6 High
Visibility: 10 mi
Wind: SSE @ 4mph
Precip: 0% Chance
Humidity: 58%
Wind Chill: 74°
Heat Index: 74°
UV Index: 8 Very High
Visibility: 10 mi