St. Helena, CA
Right Now
- Humidity: 79%
- Feels Like: 58°
- Heat Index: 58°
- Wind: 3 mph
- Wind Chill: 58°
- UV Index: 10 Very High
- Sunrise: 06:01:54 AM
- Sunset: 08:30:34 PM
- Dew Point: 51°
- Visibility: 10 mi
Today
Sunny to partly cloudy. High near 90F. Winds SSW at 5 to 10 mph.
Tonight
A clear sky. Low 61F. Winds SW at 5 to 10 mph.
Tomorrow
Except for a few afternoon clouds, mainly sunny. High 89F. Winds SW at 10 to 15 mph.
Next 12 Hours
Wind: SW @ 2mph
Precip: 0% Chance
Humidity: 78%
Wind Chill: 58°
Heat Index: 58°
UV Index: 0 Low
Visibility: 9 mi
Wind: WSW @ 2mph
Precip: 0% Chance
Humidity: 79%
Wind Chill: 58°
Heat Index: 58°
UV Index: 0 Low
Visibility: 9 mi
Wind: WSW @ 1mph
Precip: 0% Chance
Humidity: 81%
Wind Chill: 57°
Heat Index: 57°
UV Index: 0 Low
Visibility: 10 mi
Wind: SW @ 1mph
Precip: 0% Chance
Humidity: 83%
Wind Chill: 59°
Heat Index: 59°
UV Index: 0 Low
Visibility: 10 mi
Wind: SSW @ 2mph
Precip: 0% Chance
Humidity: 75%
Wind Chill: 63°
Heat Index: 63°
UV Index: 1 Low
Visibility: 10 mi
Wind: SSE @ 2mph
Precip: 0% Chance
Humidity: 66%
Wind Chill: 67°
Heat Index: 67°
UV Index: 2 Low
Visibility: 10 mi
Wind: SSE @ 3mph
Precip: 0% Chance
Humidity: 59%
Wind Chill: 71°
Heat Index: 71°
UV Index: 4 Moderate
Visibility: 10 mi
Wind: SSE @ 4mph
Precip: 0% Chance
Humidity: 50%
Wind Chill: 75°
Heat Index: 75°
UV Index: 7 High
Visibility: 10 mi
Wind: SSE @ 4mph
Precip: 0% Chance
Humidity: 42%
Wind Chill: 80°
Heat Index: 81°
UV Index: 9 Very High
Visibility: 10 mi
Wind: SSE @ 5mph
Precip: 0% Chance
Humidity: 38%
Wind Chill: 84°
Heat Index: 84°
UV Index: 10 Very High
Visibility: 10 mi
Wind: S @ 7mph
Precip: 0% Chance
Humidity: 36%
Wind Chill: 87°
Heat Index: 87°
UV Index: 9 Very High
Visibility: 10 mi
Wind: S @ 7mph
Precip: 0% Chance
Humidity: 34%
Wind Chill: 89°
Heat Index: 89°
UV Index: 8 Very High
Visibility: 10 mi