Hourly Weather Forecast - Saint Helena, CA

12 AM
48°F
0%
2mph
W
Foggy
Humidity
99%
Feels like
48°F
Dew Point
48°F
1 AM
48°F
0%
2mph
W
Foggy
Humidity
99%
Feels like
48°F
Dew Point
47°F
2 AM
48°F
0%
2mph
W
Cloudy
Humidity
98%
Feels like
48°F
Dew Point
47°F
3 AM
47°F
0%
2mph
W
Partly Cloudy
Humidity
97%
Feels like
47°F
Dew Point
47°F
4 AM
48°F
0%
2mph
W
Partly Cloudy
Humidity
95%
Feels like
48°F
Dew Point
46°F
5 AM
48°F
0%
2mph
W
Partly Cloudy
Humidity
96%
Feels like
48°F
Dew Point
46°F
6 AM
48°F
0%
3mph
W
Partly Cloudy
Humidity
94%
Feels like
48°F
Dew Point
47°F
6:37 AM
7 AM
50°F
10%
3mph
W
Partly Cloudy
Humidity
92%
Feels like
50°F
Dew Point
48°F
8 AM
53°F
10%
4mph
W
Partly Cloudy
Humidity
87%
Feels like
53°F
Dew Point
49°F
9 AM
57°F
10%
4mph
WNW
Partly Cloudy
Humidity
77%
Feels like
57°F
Dew Point
50°F
10 AM
61°F
10%
5mph
WNW
Partly Cloudy
Humidity
65%
Feels like
61°F
Dew Point
49°F
11 AM
64°F
10%
5mph
WNW
Partly Cloudy
Humidity
56%
Feels like
64°F
Dew Point
48°F
12 PM
66°F
10%
6mph
WNW
Partly Cloudy
Humidity
50%
Feels like
66°F
Dew Point
47°F
1 PM
67°F
10%
6mph
WNW
Mostly Sunny
Humidity
45%
Feels like
67°F
Dew Point
45°F
2 PM
67°F
10%
7mph
WNW
Mostly Sunny
Humidity
43%
Feels like
67°F
Dew Point
44°F
3 PM
66°F
10%
7mph
WNW
Sunny
Humidity
44%
Feels like
66°F
Dew Point
44°F
4 PM
64°F
10%
6mph
WNW
Sunny
Humidity
50%
Feels like
64°F
Dew Point
45°F
5 PM
60°F
0%
6mph
WNW
Sunny
Humidity
57%
Feels like
60°F
Dew Point
45°F
6 PM
57°F
0%
5mph
WNW
Sunny
Humidity
63%
Feels like
57°F
Dew Point
44°F
6:05 PM
7 PM
54°F
0%
4mph
WNW
Clear
Humidity
68%
Feels like
54°F
Dew Point
44°F
8 PM
52°F
0%
4mph
WNW
Clear
Humidity
73%
Feels like
52°F
Dew Point
43°F
9 PM
50°F
0%
4mph
NW
Clear
Humidity
78%
Feels like
50°F
Dew Point
43°F
10 PM
49°F
0%
4mph
NW
Clear
Humidity
83%
Feels like
48°F
Dew Point
43°F
11 PM
47°F
0%
3mph
NW
Clear
Humidity
85%
Feels like
46°F
Dew Point
43°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide