St. Helena, CA

Right Now
54°
Fair
  • Humidity: 77%
  • Feels Like: 54°
  • Heat Index: 54°
  • Wind: 2 mph
  • Wind Chill: 54°
  • UV Index: 3 Moderate
  • Sunrise: 06:55:55 AM
  • Sunset: 04:54:12 PM
  • Dew Point: 47°
  • Visibility: 10 mi

Today

Sunny skies. High 69F. Winds WNW at 5 to 10 mph.

Tonight

Partly cloudy skies. Low 51F. Winds NNW at 10 to 20 mph.

Tomorrow

A mainly sunny sky. High 69F. Winds N at 15 to 25 mph.

Next 12 Hours

Time
Temp
Precip
1 AM
56°
0%
1 AM
56°

Wind: WNW @ 2mph

Precip: 0% Chance

Humidity: 73%

Wind Chill: 56°

Heat Index: 56°

UV Index: 0 Low

Visibility: 8 mi

2 AM
54°
0%
2 AM
54°

Wind: WNW @ 4mph

Precip: 0% Chance

Humidity: 79%

Wind Chill: 54°

Heat Index: 54°

UV Index: 0 Low

Visibility: 8 mi

3 AM
54°
0%
3 AM
54°

Wind: WNW @ 5mph

Precip: 0% Chance

Humidity: 84%

Wind Chill: 53°

Heat Index: 54°

UV Index: 0 Low

Visibility: 6 mi

4 AM
53°
0%
4 AM
53°

Wind: WNW @ 5mph

Precip: 0% Chance

Humidity: 89%

Wind Chill: 51°

Heat Index: 53°

UV Index: 0 Low

Visibility: 5 mi

5 AM
51°
1%
5 AM
51°

Wind: WNW @ 5mph

Precip: 1% Chance

Humidity: 93%

Wind Chill: 50°

Heat Index: 51°

UV Index: 0 Low

Visibility: 5 mi

6 AM
51°
4%
6 AM
51°

Wind: W @ 5mph

Precip: 4% Chance

Humidity: 90%

Wind Chill: 50°

Heat Index: 51°

UV Index: 0 Low

Visibility: 5 mi

7 AM
50°
5%
7 AM
50°

Wind: WNW @ 6mph

Precip: 5% Chance

Humidity: 88%

Wind Chill: 48°

Heat Index: 50°

UV Index: 0 Low

Visibility: 6 mi

8 AM
52°
5%
8 AM
52°

Wind: WNW @ 7mph

Precip: 5% Chance

Humidity: 85%

Wind Chill: 50°

Heat Index: 52°

UV Index: 0 Low

Visibility: 9 mi

9 AM
56°
2%
9 AM
56°

Wind: WNW @ 7mph

Precip: 2% Chance

Humidity: 74%

Wind Chill: 54°

Heat Index: 56°

UV Index: 1 Low

Visibility: 10 mi

10 AM
59°
0%
10 AM
59°

Wind: WNW @ 8mph

Precip: 0% Chance

Humidity: 59%

Wind Chill: 58°

Heat Index: 59°

UV Index: 2 Low

Visibility: 10 mi

11 AM
63°
0%
11 AM
63°

Wind: WNW @ 8mph

Precip: 0% Chance

Humidity: 50%

Wind Chill: 63°

Heat Index: 63°

UV Index: 2 Low

Visibility: 10 mi

12 PM
65°
0%
12 PM
65°

Wind: WNW @ 10mph

Precip: 0% Chance

Humidity: 44%

Wind Chill: 65°

Heat Index: 65°

UV Index: 3 Moderate

Visibility: 10 mi

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