Hourly Weather Forecast - Saint Helena, CA

12 AM
46°F
0%
3mph
NW
Clear
Humidity
86%
Feels like
45°F
Dew Point
42°F
1 AM
46°F
0%
3mph
NNW
Clear
Humidity
86%
Feels like
46°F
Dew Point
42°F
2 AM
45°F
0%
3mph
NNW
Clear
Humidity
87%
Feels like
45°F
Dew Point
41°F
3 AM
44°F
0%
3mph
NNW
Clear
Humidity
87%
Feels like
44°F
Dew Point
40°F
4 AM
43°F
0%
3mph
NNW
Clear
Humidity
87%
Feels like
43°F
Dew Point
39°F
5 AM
42°F
0%
3mph
NNW
Clear
Humidity
87%
Feels like
42°F
Dew Point
39°F
6 AM
42°F
0%
3mph
NNW
Mostly Clear
Humidity
85%
Feels like
42°F
Dew Point
38°F
6:36 AM
7 AM
44°F
0%
3mph
NNW
Mostly Sunny
Humidity
79%
Feels like
43°F
Dew Point
38°F
8 AM
49°F
0%
3mph
NNW
Mostly Sunny
Humidity
72%
Feels like
48°F
Dew Point
41°F
9 AM
55°F
0%
4mph
NNW
Sunny
Humidity
61%
Feels like
55°F
Dew Point
42°F
10 AM
61°F
0%
4mph
NNW
Sunny
Humidity
49%
Feels like
61°F
Dew Point
42°F
11 AM
65°F
0%
4mph
NNW
Sunny
Humidity
41%
Feels like
65°F
Dew Point
41°F
12 PM
67°F
0%
5mph
NNW
Mostly Sunny
Humidity
38%
Feels like
67°F
Dew Point
40°F
1 PM
68°F
0%
5mph
NNW
Mostly Sunny
Humidity
36%
Feels like
68°F
Dew Point
40°F
2 PM
69°F
0%
5mph
NNW
Mostly Sunny
Humidity
35%
Feels like
69°F
Dew Point
40°F
3 PM
69°F
0%
5mph
NNW
Mostly Sunny
Humidity
36%
Feels like
69°F
Dew Point
41°F
4 PM
67°F
0%
5mph
NNW
Mostly Sunny
Humidity
41%
Feels like
67°F
Dew Point
42°F
5 PM
63°F
0%
5mph
NW
Mostly Sunny
Humidity
49%
Feels like
63°F
Dew Point
44°F
6 PM
60°F
0%
4mph
NW
Mostly Cloudy
Humidity
55%
Feels like
60°F
Dew Point
44°F
6:06 PM
7 PM
57°F
0%
4mph
NW
Cloudy
Humidity
62%
Feels like
57°F
Dew Point
44°F
8 PM
55°F
0%
4mph
NW
Cloudy
Humidity
66%
Feels like
55°F
Dew Point
44°F
9 PM
53°F
0%
5mph
NNW
Cloudy
Humidity
69%
Feels like
53°F
Dew Point
44°F
10 PM
53°F
0%
5mph
NNW
Cloudy
Humidity
70%
Feels like
53°F
Dew Point
43°F
11 PM
52°F
0%
5mph
N
Cloudy
Humidity
69%
Feels like
52°F
Dew Point
42°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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