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St. Helena, CA

83°F
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St. Helena

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St. Helena, CA Weather
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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, August 1

Day

8/1
88°Hi
RealFeel® 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
RealFeel Shade™ 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Warm with clouds giving way to sun

Max UV Index10 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindSSW 7 mph

Wind Gusts17 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover21%

Morning

Afternoon

Night

8/1
55°Lo
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear

WindWSW 4 mph

Wind Gusts14 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover5%

Evening

Overnight

Sun & Moon

14 hrs 08 mins
Rise 6:12 AM
Set 8:20 PM
First Quarter
Rise 2:14 PM
Set --

Temperature History

8/1
High
Low
Forecast
88°
55°
Average
89°
56°
Last Year
101°
50°
Record
107°
1993
44°
1931

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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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