St. Helena, CA

Right Now
50°
Fog
  • Humidity: 96%
  • Feels Like: 50°
  • Heat Index: 50°
  • Wind: 1 mph
  • Wind Chill: 50°
  • UV Index: 2 Low
  • Sunrise: 07:16:45 AM
  • Sunset: 04:48:49 PM
  • Dew Point: 49°
  • Visibility: 1.5 mi

Today

Areas of fog early, then partly cloudy this afternoon. High 62F. Winds light and variable.

Tonight

A clear sky. Low 41F. Winds light and variable.

Tomorrow

Partly cloudy. High 63F. Winds light and variable.

Next 12 Hours

Time
Temp
Precip
10 AM
53°
0%
10 AM
53°

Wind: N @ 1mph

Precip: 0% Chance

Humidity: 92%

Wind Chill: 53°

Heat Index: 53°

UV Index: 1 Low

Visibility: 8 mi

11 AM
55°
0%
11 AM
55°

Wind: N @ 3mph

Precip: 0% Chance

Humidity: 85%

Wind Chill: 55°

Heat Index: 55°

UV Index: 1 Low

Visibility: 10 mi

12 PM
58°
0%
12 PM
58°

Wind: N @ 3mph

Precip: 0% Chance

Humidity: 77%

Wind Chill: 58°

Heat Index: 58°

UV Index: 2 Low

Visibility: 10 mi

1 PM
58°
0%
1 PM
58°

Wind: N @ 4mph

Precip: 0% Chance

Humidity: 72%

Wind Chill: 58°

Heat Index: 58°

UV Index: 2 Low

Visibility: 10 mi

2 PM
60°
0%
2 PM
60°

Wind: N @ 6mph

Precip: 0% Chance

Humidity: 66%

Wind Chill: 60°

Heat Index: 60°

UV Index: 1 Low

Visibility: 10 mi

3 PM
60°
0%
3 PM
60°

Wind: NNW @ 4mph

Precip: 0% Chance

Humidity: 62%

Wind Chill: 60°

Heat Index: 60°

UV Index: 1 Low

Visibility: 10 mi

4 PM
59°
2%
4 PM
59°

Wind: NW @ 4mph

Precip: 2% Chance

Humidity: 63%

Wind Chill: 59°

Heat Index: 59°

UV Index: 0 Low

Visibility: 10 mi

5 PM
54°
3%
5 PM
54°

Wind: NW @ 3mph

Precip: 3% Chance

Humidity: 72%

Wind Chill: 54°

Heat Index: 54°

UV Index: 0 Low

Visibility: 10 mi

6 PM
50°
4%
6 PM
50°

Wind: NNW @ 3mph

Precip: 4% Chance

Humidity: 80%

Wind Chill: 50°

Heat Index: 50°

UV Index: 0 Low

Visibility: 10 mi

7 PM
49°
4%
7 PM
49°

Wind: NW @ 3mph

Precip: 4% Chance

Humidity: 83%

Wind Chill: 48°

Heat Index: 49°

UV Index: 0 Low

Visibility: 10 mi

8 PM
48°
5%
8 PM
48°

Wind: NW @ 3mph

Precip: 5% Chance

Humidity: 83%

Wind Chill: 47°

Heat Index: 48°

UV Index: 0 Low

Visibility: 10 mi

9 PM
46°
4%
9 PM
46°

Wind: NW @ 4mph

Precip: 4% Chance

Humidity: 83%

Wind Chill: 44°

Heat Index: 46°

UV Index: 0 Low

Visibility: 10 mi