Mercersburg, PA

Hourly

11 AM

58° RealFeel® 61° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 0% Mostly sunny

• RealFeel Shade™: 55°
• Wind: SSW 8 mph
• Air Quality: Fair
• Max UV Index: 4.0 (Moderate)
• Wind Gusts: 12 mph
• Humidity: 69%
• Indoor Humidity: 48% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

12 PM

65° RealFeel® 69° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly sunny

• RealFeel Shade™: 62°
• Wind: SSW 8 mph
• Air Quality: Fair
• Max UV Index: 4.8 (Moderate)
• Wind Gusts: 14 mph
• Humidity: 55%
• Indoor Humidity: 50% (Ideal Humidity)
• Dew Point: 49° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 18%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

1 PM

73° RealFeel® 76° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 2% Mostly sunny

• RealFeel Shade™: 70°
• Wind: SSW 9 mph
• Air Quality: Fair
• Max UV Index: 5.2 (Moderate)
• Wind Gusts: 16 mph
• Humidity: 44%
• Indoor Humidity: 44% (Ideal Humidity)
• Dew Point: 50° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 23%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

81° RealFeel® 81° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 19% Partly sunny

• RealFeel Shade™: 77°
• Wind: SSW 15 mph
• Air Quality: Fair
• Max UV Index: 4.8 (Moderate)
• Wind Gusts: 28 mph
• Humidity: 35%
• Indoor Humidity: 35% (Ideal Humidity)
• Dew Point: 51° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 35%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 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 19% Partly sunny

• RealFeel Shade™: 79°
• Wind: SW 15 mph
• Air Quality: Fair
• Max UV Index: 4.0 (Moderate)
• Wind Gusts: 28 mph
• Humidity: 33%
• Indoor Humidity: 33% (Ideal Humidity)
• Dew Point: 51° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 47%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

84° 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 24% Intermittent clouds

• RealFeel Shade™: 81°
• Wind: SW 15 mph
• Air Quality: Fair
• Max UV Index: 2.7 (Moderate)
• Wind Gusts: 29 mph
• Humidity: 31%
• Indoor Humidity: 31% (Ideal Humidity)
• Dew Point: 51° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 60%
• Visibility: 10 mi
• Cloud Ceiling: 26000 ft

5 PM

83° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 43% Intermittent clouds

• RealFeel Shade™: 79°
• Wind: SW 15 mph
• Air Quality: Fair
• Max UV Index: 1.4 (Low)
• Wind Gusts: 28 mph
• Humidity: 33%
• Indoor Humidity: 33% (Ideal Humidity)
• Dew Point: 51° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 73%
• Visibility: 10 mi
• Cloud Ceiling: 24000 ft

6 PM

81° RealFeel® 78° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 47% Mostly cloudy

• RealFeel Shade™: 78°
• Wind: SW 14 mph
• Air Quality: Fair
• Max UV Index: 0.6 (Low)
• Wind Gusts: 22 mph
• Humidity: 36%
• Indoor Humidity: 36% (Ideal Humidity)
• Dew Point: 52° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 84%
• Visibility: 10 mi
• Cloud Ceiling: 21000 ft

7 PM

76° RealFeel® 69° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 51% Thunderstorms

• RealFeel Shade™: 69°
• Wind: WSW 13 mph
• Air Quality: Fair
• Max UV Index: 0.0 (Low)
• Wind Gusts: 18 mph
• Humidity: 47%
• Indoor Humidity: 47% (Ideal Humidity)
• Dew Point: 54° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 93%
• Rain: 0.05 in
• Visibility: 5 mi
• Cloud Ceiling: 4000 ft

8 PM

72° RealFeel® 65° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 66% Thunderstorms

• Wind: W 6 mph
• Air Quality: Fair
• Wind Gusts: 13 mph
• Humidity: 69%
• Indoor Humidity: 69% (Slightly Humid)
• Dew Point: 61° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 94%
• Rain: 0.28 in
• Visibility: 3 mi
• Cloud Ceiling: 2000 ft

9 PM

69° RealFeel® 67° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• Wind: WNW 7 mph
• Air Quality: Fair
• Wind Gusts: 10 mph
• Humidity: 70%
• Indoor Humidity: 70% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 11800 ft

10 PM

67° RealFeel® 64° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• Wind: NNW 7 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 76%
• Indoor Humidity: 73% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 8800 ft

11 PM

66° RealFeel® 63° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• Wind: N 8 mph
• Air Quality: Fair
• Wind Gusts: 9 mph
• Humidity: 73%
• Indoor Humidity: 67% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 5800 ft