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St. Helena, CA

51°F
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St. Helena, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, July 23

Day

7/23
92°Hi
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Very warm with plenty of sunshine

Max UV Index10.0 (Very High)

WindSW 1 mph

Wind Gusts2 mph

Probability of Precipitation5%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover3%

Morning

Afternoon

Night

7/23
61°Lo
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
A crystal-clear sky

WindSW 5 mph

Wind Gusts10 mph

Probability of Precipitation10%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover9%

Evening

Overnight

Sun & Moon

14 hrs 24 mins
Rise 6:04 AM
Set 8:28 PM
Waxing Gibbous
Rise 4:13 PM
Set 1:32 AM

Temperature History

7/23
High
Low
Forecast
92°
61°
Average
89°
56°
Last Year
85°
56°
Record
107°
2024
45°
1934

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World North America United States California St. Helena

Weather Near St. Helena:

  • Oakland, CA
  • San Francisco, CA
  • San Jose, CA
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