Hourly Weather Forecast - Saint Helena, CA

12 AM
51°F
10%
1mph
SSW
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
1 AM
51°F
10%
1mph
S
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
2 AM
51°F
10%
0mph
S
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
3 AM
51°F
10%
0mph
SSE
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
4 AM
51°F
20%
0mph
SE
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
5 AM
50°F
10%
0mph
SE
Foggy
Humidity
100%
Feels like
50°F
Dew Point
50°F
6 AM
51°F
10%
0mph
E
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
6:40 AM
7 AM
52°F
10%
0mph
ENE
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
8 AM
54°F
10%
0mph
E
Cloudy
Humidity
96%
Feels like
54°F
Dew Point
53°F
9 AM
58°F
0%
0mph
SE
Partly Cloudy
Humidity
86%
Feels like
58°F
Dew Point
53°F
10 AM
60°F
10%
1mph
SE
Partly Cloudy
Humidity
76%
Feels like
60°F
Dew Point
53°F
11 AM
63°F
10%
1mph
ESE
Partly Cloudy
Humidity
69%
Feels like
63°F
Dew Point
52°F
12 PM
64°F
10%
1mph
ESE
Partly Cloudy
Humidity
66%
Feels like
64°F
Dew Point
53°F
1 PM
65°F
10%
1mph
E
Partly Cloudy
Humidity
64%
Feels like
65°F
Dew Point
53°F
2 PM
65°F
10%
0mph
E
Partly Cloudy
Humidity
62%
Feels like
65°F
Dew Point
52°F
3 PM
65°F
0%
1mph
W
Partly Cloudy
Humidity
63%
Feels like
65°F
Dew Point
52°F
4 PM
64°F
0%
2mph
W
Partly Cloudy
Humidity
67%
Feels like
64°F
Dew Point
53°F
5 PM
61°F
10%
2mph
W
Partly Cloudy
Humidity
75%
Feels like
61°F
Dew Point
53°F
6 PM
58°F
10%
2mph
W
Partly Cloudy
Humidity
81%
Feels like
58°F
Dew Point
52°F
6:03 PM
7 PM
56°F
10%
2mph
W
Partly Cloudy
Humidity
87%
Feels like
56°F
Dew Point
52°F
8 PM
54°F
10%
2mph
W
Partly Cloudy
Humidity
91%
Feels like
54°F
Dew Point
51°F
9 PM
52°F
10%
1mph
WNW
Partly Cloudy
Humidity
96%
Feels like
52°F
Dew Point
51°F
10 PM
51°F
10%
1mph
WNW
Foggy
Humidity
99%
Feels like
51°F
Dew Point
51°F
11 PM
50°F
10%
1mph
NW
Foggy
Humidity
100%
Feels like
50°F
Dew Point
50°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