St. Helena, CA

Right Now
53°
Rain Shower
  • Humidity: 94%
  • Feels Like: 50°
  • Heat Index: 53°
  • Wind: 7 mph
  • Wind Chill: 50°
  • UV Index: 1 Low
  • Sunrise: 07:23:29 AM
  • Sunset: 05:19:22 PM
  • Dew Point: 51°
  • Visibility: 4 mi

Today

Cloudy. Some light rain will fall throughout the day. High 54F. Winds S at 5 to 10 mph. Chance of rain 40%.

Tonight

Cloudy this evening. Fog developing late. Low 43F. Winds light and variable.

Tomorrow

Areas of fog early, becoming mostly sunny in the afternoon. High 61F. Winds light and variable.

Next 12 Hours

Time
Temp
Precip
2 PM
53°
22%
2 PM
53°

Wind: S @ 8mph

Precip: 22% Chance

Humidity: 95%

Wind Chill: 51°

Heat Index: 53°

UV Index: 1 Low

Visibility: 3 mi

3 PM
54°
32%
3 PM
54°

Wind: S @ 8mph

Precip: 32% Chance

Humidity: 94%

Wind Chill: 51°

Heat Index: 54°

UV Index: 0 Low

Visibility: 2.6 mi

4 PM
54°
37%
4 PM
54°

Wind: SSW @ 5mph

Precip: 37% Chance

Humidity: 92%

Wind Chill: 53°

Heat Index: 54°

UV Index: 0 Low

Visibility: 2.5 mi

5 PM
53°
24%
5 PM
53°

Wind: SSW @ 5mph

Precip: 24% Chance

Humidity: 93%

Wind Chill: 51°

Heat Index: 53°

UV Index: 0 Low

Visibility: 2.5 mi

6 PM
51°
16%
6 PM
51°

Wind: SSW @ 4mph

Precip: 16% Chance

Humidity: 95%

Wind Chill: 51°

Heat Index: 51°

UV Index: 0 Low

Visibility: 2.6 mi

7 PM
51°
20%
7 PM
51°

Wind: SSW @ 2mph

Precip: 20% Chance

Humidity: 94%

Wind Chill: 51°

Heat Index: 51°

UV Index: 0 Low

Visibility: 2.8 mi

8 PM
50°
23%
8 PM
50°

Wind: SW @ 2mph

Precip: 23% Chance

Humidity: 95%

Wind Chill: 50°

Heat Index: 50°

UV Index: 0 Low

Visibility: 2.5 mi

9 PM
50°
24%
9 PM
50°

Wind: SW @ 2mph

Precip: 24% Chance

Humidity: 95%

Wind Chill: 50°

Heat Index: 50°

UV Index: 0 Low

Visibility: 2.6 mi

10 PM
49°
20%
10 PM
49°

Wind: W @ 2mph

Precip: 20% Chance

Humidity: 95%

Wind Chill: 49°

Heat Index: 49°

UV Index: 0 Low

Visibility: 2.9 mi

11 PM
49°
20%
11 PM
49°

Wind: W @ 2mph

Precip: 20% Chance

Humidity: 96%

Wind Chill: 49°

Heat Index: 49°

UV Index: 0 Low

Visibility: 3 mi

12 AM
48°
19%
12 AM
48°

Wind: W @ 2mph

Precip: 19% Chance

Humidity: 97%

Wind Chill: 48°

Heat Index: 48°

UV Index: 0 Low

Visibility: 4 mi

1 AM
48°
14%
1 AM
48°

Wind: WNW @ 1mph

Precip: 14% Chance

Humidity: 96%

Wind Chill: 48°

Heat Index: 48°

UV Index: 0 Low

Visibility: 4 mi

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