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St. Helena, CA

54°F
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St. Helena

California

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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
Tuesday, July 21

Day

7/21
91°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™ 90°
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
Warm with plenty of sunshine

Max UV Index11.0 (Extreme)

WindESE 1 mph

Wind Gusts4 mph

Probability of Precipitation20%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover1%

Morning

Afternoon

Night

7/21
60°Lo
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear

WindSSW 6 mph

Wind Gusts12 mph

Probability of Precipitation5%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover4%

Evening

Overnight

Sun & Moon

14 hrs 28 mins
Rise 6:02 AM
Set 8:30 PM
First Quarter
Rise 2:09 PM
Set 12:25 AM

Temperature History

7/21
High
Low
Forecast
91°
60°
Average
89°
56°
Last Year
83°
55°
Record
108°
1939
45°
1973

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10-Day

Monthly

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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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