Thornhill, VA

Hourly

3 PM

82° RealFeel® 89° 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 7% Mostly cloudy

• RealFeel Shade™: 82°
• Wind: N 5 mph
• Air Quality: Fair
• Max UV Index: 4 (Moderate)
• Wind Gusts: 6 mph
• Humidity: 60%
• Indoor Humidity: 60% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 80%
• Visibility: 10 mi
• Cloud Ceiling: 20000 ft

4 PM

83° 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 7% Intermittent clouds

• RealFeel Shade™: 84°
• Wind: NNE 5 mph
• Air Quality: Fair
• Max UV Index: 4 (Moderate)
• Wind Gusts: 6 mph
• Humidity: 61%
• Indoor Humidity: 61% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 62%
• Visibility: 10 mi
• Cloud Ceiling: 20000 ft

5 PM

84° 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 7% Partly sunny

• RealFeel Shade™: 85°
• Wind: NNE 5 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 6 mph
• Humidity: 59%
• Indoor Humidity: 59% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

82° 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 7% Partly sunny

• RealFeel Shade™: 83°
• Wind: NNE 5 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 6 mph
• Humidity: 62%
• Indoor Humidity: 62% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

79° 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 5% Partly sunny

• RealFeel Shade™: 80°
• Wind: NNE 5 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 6 mph
• Humidity: 68%
• Indoor Humidity: 68% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

75° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly sunny

• RealFeel Shade™: 79°
• Wind: NNE 4 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 8 mph
• Humidity: 80%
• Indoor Humidity: 80% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 40%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

72° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly cloudy

• Wind: NNE 4 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 87%
• Indoor Humidity: 87% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 30%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

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

• Wind: NNE 2 mph
• Air Quality: Fair
• Wind Gusts: 7 mph
• Humidity: 93%
• Indoor Humidity: 93% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

67° RealFeel® 68° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: NNE 2 mph
• Air Quality: Fair
• Wind Gusts: 7 mph
• Humidity: 96%
• Indoor Humidity: 92% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft