St. Helena, CA

Hourly

12 PM

78° RealFeel® 82° 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 0% Mostly sunny

• RealFeel Shade™: 76°
• Wind: NE 7 mph
• Air Quality: Excellent
• Max UV Index: 4.2 (Moderate)
• Wind Gusts: 8 mph
• Humidity: 34%
• Indoor Humidity: 34% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

1 PM

80° RealFeel® 84° 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 0% Mostly sunny

• RealFeel Shade™: 78°
• Wind: NE 7 mph
• Air Quality: Excellent
• Max UV Index: 4.5 (Moderate)
• Wind Gusts: 9 mph
• Humidity: 32%
• Indoor Humidity: 32% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

82° RealFeel® 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 0% Mostly sunny

• RealFeel Shade™: 80°
• Wind: NE 7 mph
• Air Quality: Excellent
• Max UV Index: 4.2 (Moderate)
• Wind Gusts: 12 mph
• Humidity: 29%
• Indoor Humidity: 29% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

84° 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 0% Mostly sunny

• RealFeel Shade™: 81°
• Wind: NE 7 mph
• Air Quality: Excellent
• Max UV Index: 3.5 (Moderate)
• Wind Gusts: 14 mph
• Humidity: 27%
• Indoor Humidity: 27% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

85° 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 0% Mostly sunny

• RealFeel Shade™: 83°
• Wind: NE 7 mph
• Air Quality: Excellent
• Max UV Index: 2.4 (Low)
• Wind Gusts: 14 mph
• Humidity: 25%
• Indoor Humidity: 25% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

83° 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 0% Mostly sunny

• RealFeel Shade™: 80°
• Wind: NE 6 mph
• Air Quality: Excellent
• Max UV Index: 1.6 (Low)
• Wind Gusts: 14 mph
• Humidity: 27%
• Indoor Humidity: 27% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

79° RealFeel® 77° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly sunny

• RealFeel Shade™: 77°
• Wind: NE 6 mph
• Air Quality: Excellent
• Max UV Index: 0.7 (Low)
• Wind Gusts: 9 mph
• Humidity: 32%
• Indoor Humidity: 32% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

74° RealFeel® 72° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: NNE 4 mph
• Air Quality: Excellent
• Wind Gusts: 5 mph
• Humidity: 39%
• Indoor Humidity: 39% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

71° RealFeel® 69° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Clear

• Wind: NNE 5 mph
• Air Quality: Fair
• Wind Gusts: 12 mph
• Humidity: 43%
• Indoor Humidity: 43% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 0%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

67° RealFeel® 65° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Clear

• Wind: N 5 mph
• Air Quality: Fair
• Wind Gusts: 10 mph
• Humidity: 49%
• Indoor Humidity: 47% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 0%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

64° RealFeel® 63° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Clear

• Wind: N 5 mph
• Air Quality: Fair
• Wind Gusts: 10 mph
• Humidity: 54%
• Indoor Humidity: 46% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 0%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

60° RealFeel® 60° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 0% Clear

• Wind: N 5 mph
• Air Quality: Fair
• Wind Gusts: 10 mph
• Humidity: 60%
• Indoor Humidity: 45% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 0%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft