St. Helena, CA

Hourly

4 PM

85° RealFeel® 87° 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% Intermittent clouds

• RealFeel Shade™: 83°
• Wind: WNW 6 mph
• Air Quality: Fair
• Max UV Index: 3.2 (Moderate)
• Wind Gusts: 7 mph
• Humidity: 21%
• Indoor Humidity: 21% (Ideal Humidity)
• Dew Point: 41° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 54%
• Visibility: 10 mi
• Cloud Ceiling: 26200 ft

5 PM

83° 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% Intermittent clouds

• RealFeel Shade™: 81°
• Wind: WSW 6 mph
• Air Quality: Fair
• Max UV Index: 1.7 (Low)
• Wind Gusts: 13 mph
• Humidity: 26%
• Indoor Humidity: 26% (Ideal Humidity)
• Dew Point: 45° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 65%
• Visibility: 10 mi
• Cloud Ceiling: 24400 ft

6 PM

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

• RealFeel Shade™: 79°
• Wind: WSW 6 mph
• Air Quality: Fair
• Max UV Index: 0.9 (Low)
• Wind Gusts: 10 mph
• Humidity: 31%
• Indoor Humidity: 31% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 67%
• Visibility: 10 mi
• Cloud Ceiling: 24300 ft

7 PM

75° RealFeel® 73° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Intermittent clouds

• RealFeel Shade™: 73°
• Wind: WSW 5 mph
• Air Quality: Fair
• Max UV Index: 0.1 (Low)
• Wind Gusts: 6 mph
• Humidity: 36%
• Indoor Humidity: 36% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 64%
• Visibility: 10 mi
• Cloud Ceiling: 24300 ft

8 PM

72° RealFeel® 70° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly cloudy

• Wind: W 6 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 42%
• Indoor Humidity: 42% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

69° RealFeel® 66° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly cloudy

• Wind: W 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 47%
• Indoor Humidity: 47% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

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

• Wind: WNW 5 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 52%
• Indoor Humidity: 47% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

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

• Wind: NW 5 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 58%
• Indoor Humidity: 47% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft