St. Helena, CA

Right Now
68°
Clear
  • Humidity: 58%
  • Feels Like: 68°
  • Heat Index: 68°
  • Wind: 1 mph
  • Wind Chill: 68°
  • UV Index: 9 Very High
  • Sunrise: 05:50:29 AM
  • Sunset: 08:23:55 PM
  • Dew Point: 53°
  • Visibility: 9 mi

Today

Sunny skies. High 96F. Winds W at 5 to 10 mph.

Tonight

Clear skies. Low 62F. Winds S at 5 to 10 mph.

Tomorrow

Mainly sunny. High 99F. Winds SW at 5 to 10 mph.

Next 12 Hours

Time
Temp
Precip
1 AM
64°
2%
1 AM
64°

Wind: N @ 1mph

Precip: 2% Chance

Humidity: 65%

Wind Chill: 64°

Heat Index: 64°

UV Index: 0 Low

Visibility: 10 mi

2 AM
63°
3%
2 AM
63°

Wind: NNW @ 1mph

Precip: 3% Chance

Humidity: 69%

Wind Chill: 63°

Heat Index: 63°

UV Index: 0 Low

Visibility: 10 mi

3 AM
62°
3%
3 AM
62°

Wind: N @ 1mph

Precip: 3% Chance

Humidity: 70%

Wind Chill: 62°

Heat Index: 62°

UV Index: 0 Low

Visibility: 10 mi

4 AM
61°
3%
4 AM
61°

Wind: N @ 1mph

Precip: 3% Chance

Humidity: 72%

Wind Chill: 61°

Heat Index: 61°

UV Index: 0 Low

Visibility: 10 mi

5 AM
62°
3%
5 AM
62°

Wind: NNE @ 1mph

Precip: 3% Chance

Humidity: 70%

Wind Chill: 62°

Heat Index: 62°

UV Index: 0 Low

Visibility: 9 mi

6 AM
62°
2%
6 AM
62°

Wind: N @ 1mph

Precip: 2% Chance

Humidity: 68%

Wind Chill: 62°

Heat Index: 62°

UV Index: 0 Low

Visibility: 10 mi

7 AM
65°
2%
7 AM
65°

Wind: NNE @ 1mph

Precip: 2% Chance

Humidity: 68%

Wind Chill: 65°

Heat Index: 65°

UV Index: 0 Low

Visibility: 10 mi

8 AM
71°
1%
8 AM
71°

Wind: NNE @ 2mph

Precip: 1% Chance

Humidity: 58%

Wind Chill: 71°

Heat Index: 71°

UV Index: 1 Low

Visibility: 10 mi

9 AM
77°
0%
9 AM
77°

Wind: NNE @ 2mph

Precip: 0% Chance

Humidity: 48%

Wind Chill: 77°

Heat Index: 77°

UV Index: 2 Low

Visibility: 10 mi

10 AM
82°
0%
10 AM
82°

Wind: NNE @ 2mph

Precip: 0% Chance

Humidity: 39%

Wind Chill: 82°

Heat Index: 82°

UV Index: 4 Moderate

Visibility: 10 mi

11 AM
87°
0%
11 AM
87°

Wind: NNW @ 2mph

Precip: 0% Chance

Humidity: 33%

Wind Chill: 87°

Heat Index: 87°

UV Index: 6 High

Visibility: 10 mi

12 PM
91°
0%
12 PM
91°

Wind: SSW @ 2mph

Precip: 0% Chance

Humidity: 29%

Wind Chill: 91°

Heat Index: 91°

UV Index: 8 Very High

Visibility: 10 mi

Get the daily forecast and severe weather alerts in your inbox!

* I understand and agree that registration on or use of this site constitutes agreement to its user agreement and privacy policy.

Get up-to-the-minute news sent straight to your device.

Topics

News Alerts

Breaking News