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Saint Helena, CA

Right Now
54°
  • Humidity: 94%
  • Feels Like: 54°
  • Heat Index: 54°
  • Wind: 1 mph
  • Wind Chill: 54°
  • UV Index: 9 Very High
  • Sunrise: 05:46:59 AM
  • Sunset: 08:38:13 PM
  • Dew Point: 52°
  • Visibility: 8 mi

Today

Abundant sunshine. High 98F. Winds S at 5 to 10 mph.

Tonight

Clear skies. Low 54F. Winds SW at 5 to 10 mph.

Tomorrow

A mainly sunny sky. High 97F. Winds SSW at 5 to 10 mph.

Next 12 Hours

Time
Temp
Precip
5 AM
54°
2%
5 AM
54°

Wind: SSW @ 1 mph

Precip: 2% Chance

Humidity: 91%

Wind Chill: 54°

Heat Index: 54°

UV Index: 0 Low

Visibility: 10 mi

6 AM
53°
2%
6 AM
53°

Wind: SE @ 1 mph

Precip: 2% Chance

Humidity: 90%

Wind Chill: 53°

Heat Index: 53°

UV Index: 0 Low

Visibility: 10 mi

7 AM
58°
1%
7 AM
58°

Wind: ESE @ 0 mph

Precip: 1% Chance

Humidity: 81%

Wind Chill: 58°

Heat Index: 58°

UV Index: 0 Low

Visibility: 10 mi

8 AM
66°
1%
8 AM
66°

Wind: SE @ 1 mph

Precip: 1% Chance

Humidity: 66%

Wind Chill: 66°

Heat Index: 66°

UV Index: 1 Low

Visibility: 10 mi

9 AM
72°
0%
9 AM
72°

Wind: SSE @ 2 mph

Precip: 0% Chance

Humidity: 53%

Wind Chill: 72°

Heat Index: 72°

UV Index: 3 Moderate

Visibility: 10 mi

10 AM
77°
0%
10 AM
77°

Wind: SSE @ 3 mph

Precip: 0% Chance

Humidity: 43%

Wind Chill: 77°

Heat Index: 77°

UV Index: 5 Moderate

Visibility: 10 mi

11 AM
83°
0%
11 AM
83°

Wind: SSE @ 4 mph

Precip: 0% Chance

Humidity: 33%

Wind Chill: 83°

Heat Index: 83°

UV Index: 7 High

Visibility: 10 mi

12 PM
90°
0%
12 PM
90°

Wind: S @ 5 mph

Precip: 0% Chance

Humidity: 25%

Wind Chill: 90°

Heat Index: 90°

UV Index: 9 Very High

Visibility: 10 mi

1 PM
93°
0%
1 PM
93°

Wind: S @ 6 mph

Precip: 0% Chance

Humidity: 20%

Wind Chill: 93°

Heat Index: 93°

UV Index: 9 Very High

Visibility: 10 mi

2 PM
96°
0%
2 PM
96°

Wind: SSW @ 7 mph

Precip: 0% Chance

Humidity: 18%

Wind Chill: 96°

Heat Index: 96°

UV Index: 9 Very High

Visibility: 10 mi

3 PM
95°
0%
3 PM
95°

Wind: SSW @ 9 mph

Precip: 0% Chance

Humidity: 19%

Wind Chill: 95°

Heat Index: 95°

UV Index: 8 Very High

Visibility: 10 mi

4 PM
94°
0%
4 PM
94°

Wind: SW @ 10 mph

Precip: 0% Chance

Humidity: 19%

Wind Chill: 94°

Heat Index: 94°

UV Index: 5 Moderate

Visibility: 10 mi

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