Londonderry, NH

Hourly

1 PM

85° RealFeel® 95° 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 0% Mostly sunny

• RealFeel Shade™: 85°
• Heat Index: 87°
• Wind: SSW 6 mph
• Air Quality: Fair
• Max UV Index: 8.8 (Very High)
• Wind Gusts: 7 mph
• Humidity: 54%
• Indoor Humidity: 54% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 5 mi
• Cloud Ceiling: 30000 ft

2 PM

86° RealFeel® 94° 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°
• Heat Index: 87°
• Wind: SSW 6 mph
• Air Quality: Fair
• Max UV Index: 8.0 (Very High)
• Wind Gusts: 8 mph
• Humidity: 49%
• Indoor Humidity: 49% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 30%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

85° RealFeel® 92° 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™: 84°
• Heat Index: 87°
• Wind: S 7 mph
• Air Quality: Fair
• Max UV Index: 6.1 (High)
• Wind Gusts: 10 mph
• Humidity: 51%
• Indoor Humidity: 51% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 42%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

84° RealFeel® 88° 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% Intermittent clouds

• RealFeel Shade™: 83°
• Heat Index: 85°
• Wind: SSE 7 mph
• Air Quality: Fair
• Max UV Index: 4.3 (Moderate)
• Wind Gusts: 12 mph
• Humidity: 54%
• Indoor Humidity: 54% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 54%
• Visibility: 10 mi
• Cloud Ceiling: 26500 ft

5 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 7% Intermittent clouds

• RealFeel Shade™: 81°
• Heat Index: 84°
• Wind: SE 7 mph
• Air Quality: Fair
• Max UV Index: 2.5 (Low)
• Wind Gusts: 14 mph
• Humidity: 56%
• Indoor Humidity: 56% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 66%
• Visibility: 10 mi
• Cloud Ceiling: 24700 ft

6 PM

82° 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 7% Mostly cloudy

• RealFeel Shade™: 81°
• Heat Index: 84°
• Wind: SE 7 mph
• Air Quality: Fair
• Max UV Index: 1.3 (Low)
• Wind Gusts: 13 mph
• Humidity: 58%
• Indoor Humidity: 58% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 78%
• Visibility: 10 mi
• Cloud Ceiling: 24700 ft

7 PM

79° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 5% Cloudy

• RealFeel Shade™: 80°
• Heat Index: 80°
• Wind: SE 6 mph
• Air Quality: Fair
• Max UV Index: 0.5 (Low)
• Wind Gusts: 12 mph
• Humidity: 62%
• Indoor Humidity: 62% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 90%
• Visibility: 10 mi
• Cloud Ceiling: 24700 ft

8 PM

77° RealFeel® 78° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Cloudy

• RealFeel Shade™: 78°
• Wind: SE 6 mph
• Air Quality: Fair
• Max UV Index: 0.1 (Low)
• Wind Gusts: 9 mph
• Humidity: 71%
• Indoor Humidity: 71% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 90%
• Visibility: 10 mi
• Cloud Ceiling: 24700 ft

9 PM

74° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly cloudy

• Wind: SSE 6 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 78%
• Indoor Humidity: 78% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 81%
• Visibility: 10 mi
• Cloud Ceiling: 24700 ft

10 PM

72° RealFeel® 73° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Intermittent clouds

• Wind: SSE 6 mph
• Air Quality: Fair
• Wind Gusts: 7 mph
• Humidity: 84%
• Indoor Humidity: 84% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 24700 ft

11 PM

70° RealFeel® 71° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Intermittent clouds

• Wind: S 6 mph
• Air Quality: Fair
• Wind Gusts: 7 mph
• Humidity: 89%
• Indoor Humidity: 89% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 65%
• Visibility: 10 mi
• Cloud Ceiling: 24700 ft