Hourly Weather Forecast - Saint Helena, CA

12 AM
45°F
0%
0mph
NW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
1 AM
44°F
0%
1mph
NW
Foggy
Humidity
100%
Feels like
44°F
Dew Point
44°F
2 AM
43°F
0%
0mph
NW
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
3 AM
43°F
0%
1mph
NW
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
4 AM
42°F
0%
0mph
NW
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
5 AM
42°F
0%
0mph
NW
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
6 AM
42°F
0%
0mph
NNW
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
7 AM
43°F
0%
0mph
NNW
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
7:09 AM
8 AM
47°F
0%
1mph
NNW
Foggy
Humidity
99%
Feels like
47°F
Dew Point
46°F
9 AM
53°F
0%
1mph
NW
Partly Cloudy
Humidity
83%
Feels like
53°F
Dew Point
48°F
10 AM
60°F
0%
1mph
NW
Mostly Sunny
Humidity
68%
Feels like
60°F
Dew Point
49°F
11 AM
64°F
0%
1mph
W
Mostly Sunny
Humidity
59%
Feels like
64°F
Dew Point
50°F
12 PM
67°F
0%
2mph
W
Mostly Sunny
Humidity
54%
Feels like
67°F
Dew Point
50°F
1 PM
69°F
0%
2mph
WSW
Sunny
Humidity
51%
Feels like
69°F
Dew Point
50°F
2 PM
69°F
0%
3mph
WSW
Sunny
Humidity
50%
Feels like
69°F
Dew Point
50°F
3 PM
68°F
0%
3mph
WSW
Sunny
Humidity
52%
Feels like
68°F
Dew Point
50°F
4 PM
63°F
0%
3mph
WSW
Sunny
Humidity
62%
Feels like
63°F
Dew Point
50°F
5 PM
58°F
0%
2mph
WSW
Sunny
Humidity
72%
Feels like
58°F
Dew Point
49°F
5:38 PM
6 PM
53°F
0%
2mph
W
Clear
Humidity
82%
Feels like
53°F
Dew Point
48°F
7 PM
51°F
0%
2mph
W
Mostly Clear
Humidity
88%
Feels like
51°F
Dew Point
47°F
8 PM
49°F
0%
2mph
W
Hazy
Humidity
92%
Feels like
49°F
Dew Point
46°F
9 PM
47°F
0%
1mph
W
Hazy
Humidity
94%
Feels like
47°F
Dew Point
46°F
10 PM
46°F
0%
1mph
WNW
Partly Cloudy
Humidity
96%
Feels like
46°F
Dew Point
45°F
11 PM
45°F
0%
1mph
NW
Partly Cloudy
Humidity
97%
Feels like
45°F
Dew Point
45°F

Friday's Weather Outlook

Friday's Weather Outlook

A snow-filled clipper system is set to sweep through the Great Lakes, Ohio Valley, and Mid-Atlantic.

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image courtesy of Pixabay.com

All About Snow Squalls

A person in a pink coat and red mittens holding a snowball. (Image by Dmitriy Gutarev from Pixabay)

Cold Weather and Worsening Health Conditions

Windchill chart

Dangers of Wind Chills

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide