Derry, PA

Hourly

1 PM

83° RealFeel® 100° 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% Mostly sunny

• RealFeel Shade™: 87°
• Heat Index: 88°
• Wind: SE 5 mph
• Air Quality: Fair
• Max UV Index: 10.9 (Extreme)
• Wind Gusts: 5 mph
• Humidity: 66%
• Indoor Humidity: 66% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

85° RealFeel® 100° 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% Mostly sunny

• RealFeel Shade™: 89°
• Heat Index: 89°
• Wind: SE 5 mph
• Air Quality: Fair
• Max UV Index: 9.9 (Very High)
• Wind Gusts: 5 mph
• Humidity: 61%
• Indoor Humidity: 61% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

86° RealFeel® 100° 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% Mostly sunny

• RealFeel Shade™: 89°
• Heat Index: 90°
• Wind: SE 5 mph
• Air Quality: Fair
• Max UV Index: 7.5 (Very High)
• Wind Gusts: 5 mph
• Humidity: 59%
• Indoor Humidity: 59% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

87° RealFeel® 98° 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% Mostly sunny

• RealFeel Shade™: 91°
• Heat Index: 92°
• Wind: SSE 5 mph
• Air Quality: Fair
• Max UV Index: 4.9 (Moderate)
• Wind Gusts: 6 mph
• Humidity: 56%
• Indoor Humidity: 56% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

86° 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 7% Mostly sunny

• RealFeel Shade™: 89°
• Heat Index: 91°
• Wind: S 5 mph
• Air Quality: Fair
• Max UV Index: 3.5 (Moderate)
• Wind Gusts: 6 mph
• Humidity: 58%
• Indoor Humidity: 58% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

86° 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 7% Mostly sunny

• RealFeel Shade™: 89°
• Heat Index: 90°
• Wind: SSE 5 mph
• Air Quality: Fair
• Max UV Index: 2.2 (Low)
• Wind Gusts: 6 mph
• Humidity: 61%
• Indoor Humidity: 61% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 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 5% Mostly sunny

• RealFeel Shade™: 89°
• Heat Index: 89°
• Wind: SSE 5 mph
• Air Quality: Fair
• Max UV Index: 1.3 (Low)
• Wind Gusts: 5 mph
• Humidity: 67%
• Indoor Humidity: 67% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

82° 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 0% Mostly sunny

• RealFeel Shade™: 88°
• Heat Index: 86°
• Wind: SE 5 mph
• Air Quality: Fair
• Max UV Index: 0.4 (Low)
• Wind Gusts: 5 mph
• Humidity: 72%
• Indoor Humidity: 72% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

79° 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 clear

• Heat Index: 80°
• Wind: SE 5 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 79%
• Indoor Humidity: 79% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

76° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: SE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 83%
• Indoor Humidity: 83% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

74° RealFeel® 77° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: SE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 88%
• Indoor Humidity: 88% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft