St. Helena, CA

Right Now
54°
Partly Cloudy
  • Humidity: 45%
  • Feels Like: 53°
  • Heat Index: 54°
  • Wind: 5 mph
  • Wind Chill: 53°
  • UV Index: 3 Moderate
  • Sunrise: 06:58:12 AM
  • Sunset: 05:50:14 PM
  • Dew Point: 33°
  • Visibility: 9 mi

Today

A mix of clouds and sun. High 54F. Winds NW at 5 to 10 mph.

Tonight

Mainly clear skies. Slight chance of a shower throughout the evening. Low near 35F. Winds NNW at 5 to 10 mph.

Tomorrow

Sunny skies. High 58F. Winds N at 10 to 15 mph.

Next 12 Hours

Time
Temp
Precip
2 PM
54°
0%
2 PM
54°

Wind: NW @ 6mph

Precip: 0% Chance

Humidity: 45%

Wind Chill: 53°

Heat Index: 54°

UV Index: 3 Moderate

Visibility: 10 mi

3 PM
54°
1%
3 PM
54°

Wind: NW @ 6mph

Precip: 1% Chance

Humidity: 45%

Wind Chill: 52°

Heat Index: 54°

UV Index: 2 Low

Visibility: 10 mi

4 PM
53°
4%
4 PM
53°

Wind: NNW @ 4mph

Precip: 4% Chance

Humidity: 47%

Wind Chill: 52°

Heat Index: 53°

UV Index: 1 Low

Visibility: 10 mi

5 PM
50°
4%
5 PM
50°

Wind: NNW @ 6mph

Precip: 4% Chance

Humidity: 52%

Wind Chill: 48°

Heat Index: 50°

UV Index: 0 Low

Visibility: 10 mi

6 PM
44°
3%
6 PM
44°

Wind: NNW @ 4mph

Precip: 3% Chance

Humidity: 63%

Wind Chill: 42°

Heat Index: 44°

UV Index: 0 Low

Visibility: 10 mi

7 PM
42°
16%
7 PM
42°

Wind: NNW @ 3mph

Precip: 16% Chance

Humidity: 68%

Wind Chill: 41°

Heat Index: 42°

UV Index: 0 Low

Visibility: 10 mi

8 PM
41°
16%
8 PM
41°

Wind: NNW @ 3mph

Precip: 16% Chance

Humidity: 71%

Wind Chill: 39°

Heat Index: 41°

UV Index: 0 Low

Visibility: 9 mi

9 PM
39°
17%
9 PM
39°

Wind: NNW @ 4mph

Precip: 17% Chance

Humidity: 72%

Wind Chill: 36°

Heat Index: 39°

UV Index: 0 Low

Visibility: 9 mi

10 PM
38°
17%
10 PM
38°

Wind: NW @ 4mph

Precip: 17% Chance

Humidity: 70%

Wind Chill: 35°

Heat Index: 38°

UV Index: 0 Low

Visibility: 9 mi

11 PM
38°
16%
11 PM
38°

Wind: NNW @ 6mph

Precip: 16% Chance

Humidity: 66%

Wind Chill: 34°

Heat Index: 38°

UV Index: 0 Low

Visibility: 9 mi

12 AM
38°
16%
12 AM
38°

Wind: NNW @ 6mph

Precip: 16% Chance

Humidity: 63%

Wind Chill: 33°

Heat Index: 38°

UV Index: 0 Low

Visibility: 9 mi

1 AM
38°
2%
1 AM
38°

Wind: N @ 7mph

Precip: 2% Chance

Humidity: 60%

Wind Chill: 33°

Heat Index: 38°

UV Index: 0 Low

Visibility: 10 mi