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St. Helena, CA

71°F
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St. Helena

California

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St. Helena, CA Weather
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Today

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 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

2 PM

84°
RealFeel® 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
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™81°

WindSSW 8 mph

Air QualityFair

Max UV Index9 (Very High)

Wind Gusts16 mph

Humidity41%

Indoor Humidity41% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility5 mi

Cloud Ceiling30000 ft

3 PM

89°
RealFeel® 93°
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
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™86°

WindSW 8 mph

Air QualityFair

Max UV Index7 (High)

Wind Gusts16 mph

Humidity35%

Indoor Humidity35% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility5 mi

Cloud Ceiling30000 ft

4 PM

88°
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
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™85°

WindSW 8 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts16 mph

Humidity35%

Indoor Humidity35% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility5 mi

Cloud Ceiling30000 ft

5 PM

86°
RealFeel® 86°
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
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™83°

WindWSW 8 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts16 mph

Humidity38%

Indoor Humidity38% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility5 mi

Cloud Ceiling30000 ft

6 PM

84°
RealFeel® 83°
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
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™81°

WindWSW 8 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts14 mph

Humidity40%

Indoor Humidity40% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility5 mi

Cloud Ceiling30000 ft

7 PM

79°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™78°

WindSW 7 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts12 mph

Humidity46%

Indoor Humidity46% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover11%

Visibility5 mi

Cloud Ceiling30000 ft

8 PM

75°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™73°

WindWSW 6 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts14 mph

Humidity53%

Indoor Humidity53% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

72°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 5 mph

Air QualityFair

Wind Gusts13 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 5 mph

Air QualityFair

Wind Gusts10 mph

Humidity70%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

64°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 4 mph

Air QualityFair

Wind Gusts8 mph

Humidity79%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

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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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