St. Helena, CA

Right Now
49°
Fair
  • Humidity: 60%
  • Feels Like: 48°
  • Heat Index: 49°
  • Wind: 3 mph
  • Wind Chill: 48°
  • UV Index: 0 Low
  • Sunrise: 06:55:39 AM
  • Sunset: 05:52:23 PM
  • Dew Point: 36°
  • Visibility: 9 mi

Today

Partly cloudy skies this evening will become overcast overnight. Low 38F. Winds WNW at 5 to 10 mph.

Tonight

Partly cloudy skies this evening will become overcast overnight. Low 38F. Winds WNW at 5 to 10 mph.

Tomorrow

Cloudy skies early, then partly cloudy in the afternoon. Slight chance of a rain shower. High 56F. Winds WNW at 10 to 15 mph.

Next 12 Hours

Time
Temp
Precip
7 PM
47°
0%
7 PM
47°

Wind: SW @ 2mph

Precip: 0% Chance

Humidity: 65%

Wind Chill: 47°

Heat Index: 47°

UV Index: 0 Low

Visibility: 9 mi

8 PM
45°
0%
8 PM
45°

Wind: WSW @ 2mph

Precip: 0% Chance

Humidity: 70%

Wind Chill: 45°

Heat Index: 45°

UV Index: 0 Low

Visibility: 9 mi

9 PM
44°
0%
9 PM
44°

Wind: W @ 1mph

Precip: 0% Chance

Humidity: 73%

Wind Chill: 44°

Heat Index: 44°

UV Index: 0 Low

Visibility: 9 mi

10 PM
42°
0%
10 PM
42°

Wind: W @ 3mph

Precip: 0% Chance

Humidity: 78%

Wind Chill: 41°

Heat Index: 42°

UV Index: 0 Low

Visibility: 8 mi

11 PM
40°
1%
11 PM
40°

Wind: W @ 4mph

Precip: 1% Chance

Humidity: 85%

Wind Chill: 37°

Heat Index: 40°

UV Index: 0 Low

Visibility: 7 mi

12 AM
40°
3%
12 AM
40°

Wind: WNW @ 6mph

Precip: 3% Chance

Humidity: 86%

Wind Chill: 36°

Heat Index: 40°

UV Index: 0 Low

Visibility: 6 mi

1 AM
39°
5%
1 AM
39°

Wind: WNW @ 7mph

Precip: 5% Chance

Humidity: 87%

Wind Chill: 34°

Heat Index: 39°

UV Index: 0 Low

Visibility: 6 mi

2 AM
39°
6%
2 AM
39°

Wind: WNW @ 7mph

Precip: 6% Chance

Humidity: 85%

Wind Chill: 35°

Heat Index: 39°

UV Index: 0 Low

Visibility: 7 mi

3 AM
39°
6%
3 AM
39°

Wind: WNW @ 7mph

Precip: 6% Chance

Humidity: 84%

Wind Chill: 35°

Heat Index: 39°

UV Index: 0 Low

Visibility: 8 mi

4 AM
39°
6%
4 AM
39°

Wind: WNW @ 8mph

Precip: 6% Chance

Humidity: 82%

Wind Chill: 34°

Heat Index: 39°

UV Index: 0 Low

Visibility: 8 mi

5 AM
39°
6%
5 AM
39°

Wind: WNW @ 8mph

Precip: 6% Chance

Humidity: 82%

Wind Chill: 34°

Heat Index: 39°

UV Index: 0 Low

Visibility: 8 mi

6 AM
40°
6%
6 AM
40°

Wind: WNW @ 7mph

Precip: 6% Chance

Humidity: 82%

Wind Chill: 35°

Heat Index: 40°

UV Index: 0 Low

Visibility: 8 mi