Hourly Weather Forecast - Saint Helena, CA

12 AM
48°F
100%
3mph
S
Rain
Humidity
100%
Feels like
48°F
Dew Point
48°F
1 AM
49°F
100%
3mph
SSW
Rain
Humidity
100%
Feels like
48°F
Dew Point
49°F
2 AM
49°F
100%
3mph
SSW
Light Rain
Humidity
100%
Feels like
48°F
Dew Point
49°F
3 AM
49°F
100%
4mph
S
Light Rain
Humidity
100%
Feels like
49°F
Dew Point
49°F
4 AM
49°F
90%
4mph
S
Light Rain
Humidity
100%
Feels like
48°F
Dew Point
49°F
5 AM
50°F
100%
4mph
S
Light Rain
Humidity
100%
Feels like
50°F
Dew Point
50°F
6 AM
51°F
100%
5mph
S
Light Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
7 AM
51°F
100%
5mph
S
Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
7:23 AM
8 AM
50°F
100%
6mph
S
Rain
Humidity
100%
Feels like
50°F
Dew Point
50°F
9 AM
49°F
100%
7mph
S
Rain
Humidity
100%
Feels like
47°F
Dew Point
49°F
10 AM
49°F
100%
7mph
S
Rain
Humidity
100%
Feels like
46°F
Dew Point
49°F
11 AM
48°F
100%
7mph
S
Rain
Humidity
100%
Feels like
45°F
Dew Point
48°F
12 PM
47°F
100%
7mph
SSW
Rain
Humidity
100%
Feels like
44°F
Dew Point
47°F
1 PM
47°F
100%
7mph
SSW
Rain
Humidity
100%
Feels like
44°F
Dew Point
47°F
2 PM
48°F
90%
7mph
SSW
Light Rain
Humidity
100%
Feels like
45°F
Dew Point
48°F
3 PM
48°F
90%
7mph
SSW
Light Rain
Humidity
100%
Feels like
45°F
Dew Point
48°F
4 PM
45°F
90%
7mph
S
Light Rain
Humidity
100%
Feels like
42°F
Dew Point
45°F
4:52 PM
5 PM
44°F
100%
7mph
S
Light Rain
Humidity
100%
Feels like
40°F
Dew Point
44°F
6 PM
45°F
100%
7mph
S
Light Rain
Humidity
100%
Feels like
42°F
Dew Point
45°F
7 PM
47°F
100%
7mph
S
Light Rain
Humidity
100%
Feels like
43°F
Dew Point
47°F
8 PM
47°F
100%
7mph
S
Rain
Humidity
100%
Feels like
44°F
Dew Point
47°F
9 PM
48°F
100%
6mph
S
Rain
Humidity
100%
Feels like
45°F
Dew Point
48°F
10 PM
49°F
100%
6mph
S
Rain
Humidity
100%
Feels like
46°F
Dew Point
49°F
11 PM
49°F
90%
6mph
S
Rain
Humidity
100%
Feels like
47°F
Dew Point
49°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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