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St. Helena, CA

Right Now
38°
Clear
  • Humidity: 74%
  • Feels Like: 38°
  • Heat Index: 38°
  • Wind: 3 mph
  • Wind Chill: 38°
  • UV Index: 4 Moderate
  • Sunrise: 06:41:12 AM
  • Sunset: 06:03:20 PM
  • Dew Point: 31°
  • Visibility: 10 mi

Today

Plentiful sunshine. High 67F. Winds SSE at 10 to 15 mph.

Tonight

A few passing clouds. Low 39F. Winds light and variable.

Tomorrow

Partly cloudy skies. High 72F. Winds ENE at 5 to 10 mph.

Next 12 Hours

Time
Temp
Precip
6 AM
39°
1%
6 AM
39°

Wind: E @ 2mph

Precip: 1% Chance

Humidity: 75%

Wind Chill: 39°

Heat Index: 39°

UV Index: 0 Low

Visibility: 10 mi

7 AM
39°
1%
7 AM
39°

Wind: ESE @ 2mph

Precip: 1% Chance

Humidity: 76%

Wind Chill: 39°

Heat Index: 39°

UV Index: 0 Low

Visibility: 10 mi

8 AM
43°
1%
8 AM
43°

Wind: E @ 2mph

Precip: 1% Chance

Humidity: 73%

Wind Chill: 43°

Heat Index: 43°

UV Index: 0 Low

Visibility: 10 mi

9 AM
51°
0%
9 AM
51°

Wind: ESE @ 2mph

Precip: 0% Chance

Humidity: 57%

Wind Chill: 51°

Heat Index: 51°

UV Index: 1 Low

Visibility: 10 mi

10 AM
56°
0%
10 AM
56°

Wind: SSE @ 4mph

Precip: 0% Chance

Humidity: 46%

Wind Chill: 56°

Heat Index: 56°

UV Index: 2 Low

Visibility: 10 mi

11 AM
60°
0%
11 AM
60°

Wind: SSE @ 7mph

Precip: 0% Chance

Humidity: 39%

Wind Chill: 59°

Heat Index: 60°

UV Index: 3 Moderate

Visibility: 10 mi

12 PM
63°
0%
12 PM
63°

Wind: S @ 10mph

Precip: 0% Chance

Humidity: 32%

Wind Chill: 62°

Heat Index: 63°

UV Index: 4 Moderate

Visibility: 10 mi

1 PM
64°
0%
1 PM
64°

Wind: S @ 10mph

Precip: 0% Chance

Humidity: 29%

Wind Chill: 64°

Heat Index: 64°

UV Index: 4 Moderate

Visibility: 10 mi

2 PM
65°
0%
2 PM
65°

Wind: S @ 10mph

Precip: 0% Chance

Humidity: 28%

Wind Chill: 65°

Heat Index: 65°

UV Index: 3 Moderate

Visibility: 10 mi

3 PM
65°
0%
3 PM
65°

Wind: S @ 10mph

Precip: 0% Chance

Humidity: 26%

Wind Chill: 65°

Heat Index: 65°

UV Index: 2 Low

Visibility: 10 mi

4 PM
65°
0%
4 PM
65°

Wind: S @ 9mph

Precip: 0% Chance

Humidity: 27%

Wind Chill: 65°

Heat Index: 65°

UV Index: 1 Low

Visibility: 10 mi

5 PM
63°
0%
5 PM
63°

Wind: S @ 6mph

Precip: 0% Chance

Humidity: 30%

Wind Chill: 63°

Heat Index: 63°

UV Index: 0 Low

Visibility: 10 mi

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