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Extreme heat expands across Central US; some temps to top 100 degrees Chevron right
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St. Helena, CA

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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Tuesday, June 17

Day

6/17
94°Hi
RealFeel® 97°
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 sun

Max UV Index11 (Extreme)

AccuLumen Brightness Index™10 (Very Bright)

WindWSW 7 mph

Wind Gusts23 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Morning

Afternoon

Night

6/17
55°Lo
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear

WindWNW 5 mph

Wind Gusts18 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

14 hrs 51 mins
Rise 5:45 AM
Set 8:36 PM
Waning Gibbous
Rise 12:38 AM
Set 12:03 PM

Temperature History

6/17
High
Low
Forecast
94°
55°
Average
86°
54°
Last Year
88°
49°
Record
107°
2021
41°
1939

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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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