St. Helena, CA

Right Now
51°
Partly Cloudy
  • Humidity: 65%
  • Feels Like: 51°
  • Heat Index: 51°
  • Wind: 2 mph
  • Wind Chill: 51°
  • UV Index: 5 Moderate
  • Sunrise: 07:23:50 AM
  • Sunset: 06:24:52 PM
  • Dew Point: 40°
  • Visibility: 7 mi

Today

Mainly sunny. High near 85F. Winds light and variable.

Tonight

A clear sky. Low near 50F. Winds light and variable.

Tomorrow

A mainly sunny sky. High 83F. Winds SW at 5 to 10 mph.

Next 12 Hours

Time
Temp
Precip
4 AM
51°
0%
4 AM
51°

Wind: N @ 2mph

Precip: 0% Chance

Humidity: 65%

Wind Chill: 51°

Heat Index: 51°

UV Index: 0 Low

Visibility: 10 mi

5 AM
51°
0%
5 AM
51°

Wind: NNE @ 2mph

Precip: 0% Chance

Humidity: 63%

Wind Chill: 51°

Heat Index: 51°

UV Index: 0 Low

Visibility: 10 mi

6 AM
50°
0%
6 AM
50°

Wind: NNE @ 2mph

Precip: 0% Chance

Humidity: 62%

Wind Chill: 50°

Heat Index: 50°

UV Index: 0 Low

Visibility: 10 mi

7 AM
50°
0%
7 AM
50°

Wind: N @ 2mph

Precip: 0% Chance

Humidity: 62%

Wind Chill: 50°

Heat Index: 50°

UV Index: 0 Low

Visibility: 10 mi

8 AM
53°
0%
8 AM
53°

Wind: N @ 2mph

Precip: 0% Chance

Humidity: 57%

Wind Chill: 53°

Heat Index: 53°

UV Index: 0 Low

Visibility: 10 mi

9 AM
60°
0%
9 AM
60°

Wind: NNE @ 2mph

Precip: 0% Chance

Humidity: 50%

Wind Chill: 60°

Heat Index: 60°

UV Index: 1 Low

Visibility: 10 mi

10 AM
66°
0%
10 AM
66°

Wind: NE @ 2mph

Precip: 0% Chance

Humidity: 40%

Wind Chill: 66°

Heat Index: 66°

UV Index: 2 Low

Visibility: 10 mi

11 AM
71°
0%
11 AM
71°

Wind: ENE @ 2mph

Precip: 0% Chance

Humidity: 34%

Wind Chill: 71°

Heat Index: 71°

UV Index: 3 Moderate

Visibility: 10 mi

12 PM
76°
0%
12 PM
76°

Wind: ESE @ 2mph

Precip: 0% Chance

Humidity: 30%

Wind Chill: 76°

Heat Index: 76°

UV Index: 4 Moderate

Visibility: 10 mi

1 PM
80°
0%
1 PM
80°

Wind: SSE @ 2mph

Precip: 0% Chance

Humidity: 26%

Wind Chill: 80°

Heat Index: 80°

UV Index: 5 Moderate

Visibility: 10 mi

2 PM
82°
0%
2 PM
82°

Wind: SSE @ 3mph

Precip: 0% Chance

Humidity: 24%

Wind Chill: 82°

Heat Index: 82°

UV Index: 4 Moderate

Visibility: 10 mi

3 PM
83°
0%
3 PM
83°

Wind: S @ 4mph

Precip: 0% Chance

Humidity: 24%

Wind Chill: 83°

Heat Index: 83°

UV Index: 3 Moderate

Visibility: 10 mi