Hourly Weather Forecast - Saint Helena, CA

12 AM
49°F
0%
1mph
NNW
Foggy
Humidity
100%
Feels like
49°F
Dew Point
49°F
1 AM
48°F
0%
1mph
NNW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
48°F
2 AM
47°F
0%
1mph
NNW
Foggy
Humidity
100%
Feels like
47°F
Dew Point
47°F
3 AM
47°F
0%
1mph
NNW
Foggy
Humidity
100%
Feels like
47°F
Dew Point
47°F
4 AM
46°F
0%
1mph
NW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
46°F
5 AM
46°F
0%
0mph
NNW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
46°F
6 AM
46°F
0%
0mph
NNW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
46°F
6:39 AM
7 AM
48°F
0%
0mph
NNW
Foggy
Humidity
99%
Feels like
48°F
Dew Point
47°F
8 AM
51°F
0%
1mph
NNW
Partly Cloudy
Humidity
95%
Feels like
51°F
Dew Point
50°F
9 AM
55°F
0%
1mph
WNW
Mostly Sunny
Humidity
87%
Feels like
55°F
Dew Point
51°F
10 AM
60°F
0%
1mph
W
Sunny
Humidity
76%
Feels like
60°F
Dew Point
52°F
11 AM
63°F
0%
1mph
WSW
Mostly Sunny
Humidity
69%
Feels like
63°F
Dew Point
53°F
12 PM
65°F
0%
2mph
SW
Mostly Sunny
Humidity
67%
Feels like
65°F
Dew Point
54°F
1 PM
67°F
0%
3mph
SW
Mostly Sunny
Humidity
65%
Feels like
67°F
Dew Point
54°F
2 PM
67°F
0%
4mph
WSW
Mostly Sunny
Humidity
63%
Feels like
67°F
Dew Point
54°F
3 PM
67°F
0%
4mph
WSW
Mostly Sunny
Humidity
64%
Feels like
67°F
Dew Point
54°F
4 PM
65°F
0%
4mph
WSW
Mostly Sunny
Humidity
69%
Feels like
65°F
Dew Point
55°F
5 PM
62°F
0%
4mph
WSW
Mostly Sunny
Humidity
77%
Feels like
62°F
Dew Point
54°F
6 PM
58°F
0%
3mph
WSW
Mostly Sunny
Humidity
83%
Feels like
58°F
Dew Point
53°F
6:04 PM
7 PM
55°F
0%
3mph
WSW
Mostly Clear
Humidity
89%
Feels like
55°F
Dew Point
52°F
8 PM
53°F
0%
2mph
WSW
Partly Cloudy
Humidity
93%
Feels like
53°F
Dew Point
51°F
9 PM
51°F
0%
2mph
WSW
Cloudy
Humidity
95%
Feels like
51°F
Dew Point
50°F
10 PM
50°F
0%
2mph
W
Cloudy
Humidity
97%
Feels like
50°F
Dew Point
49°F
11 PM
49°F
0%
2mph
W
Cloudy
Humidity
97%
Feels like
49°F
Dew Point
48°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

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