Mercersburg Junction, PA

Hourly

4 AM

59° RealFeel® 60° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 40% Intermittent clouds

• Wind: S 4 mph
• Air Quality: Fair
• Wind Gusts: 7 mph
• Humidity: 89%
• Indoor Humidity: 66% (Slightly Humid)
• Dew Point: 56° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 71%
• Visibility: 10 mi
• Cloud Ceiling: 34000 ft

5 AM

59° RealFeel® 57° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 60% Showers

• Wind: SSE 4 mph
• Air Quality: Fair
• Wind Gusts: 7 mph
• Humidity: 89%
• Indoor Humidity: 66% (Slightly Humid)
• Dew Point: 56° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 90%
• Rain: 0.02 in
• Visibility: 6 mi
• Cloud Ceiling: 4000 ft

6 AM

59° RealFeel® 60° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 49% Cloudy

• Wind: SSE 4 mph
• Air Quality: Fair
• Wind Gusts: 7 mph
• Humidity: 91%
• Indoor Humidity: 67% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 90%
• Visibility: 10 mi
• Cloud Ceiling: 24200 ft

7 AM

61° RealFeel® 58° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 60% Showers

• RealFeel Shade™: 58°
• Wind: SSE 5 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 7 mph
• Humidity: 88%
• Indoor Humidity: 69% (Slightly Humid)
• Dew Point: 58° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 90%
• Rain: 0.02 in
• Visibility: 6 mi
• Cloud Ceiling: 4000 ft

8 AM

63° RealFeel® 64° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 47% Cloudy

• RealFeel Shade™: 64°
• Wind: SSE 5 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 8 mph
• Humidity: 83%
• Indoor Humidity: 70% (Slightly Humid)
• Dew Point: 58° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 6500 ft

9 AM

66° RealFeel® 62° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 55% Showers

• RealFeel Shade™: 62°
• Wind: S 6 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 9 mph
• Humidity: 79%
• Indoor Humidity: 73% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Rain: 0.03 in
• Visibility: 6 mi
• Cloud Ceiling: 2000 ft

10 AM

68° RealFeel® 65° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 55% Showers

• RealFeel Shade™: 63°
• Wind: SSW 7 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 12 mph
• Humidity: 84%
• Indoor Humidity: 83% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Rain: 0.03 in
• Visibility: 6 mi
• Cloud Ceiling: 2000 ft

11 AM

72° RealFeel® 73° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 40% Cloudy

• RealFeel Shade™: 70°
• Wind: SSW 8 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 13 mph
• Humidity: 73%
• Indoor Humidity: 73% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 14200 ft

12 PM

75° RealFeel® 76° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 34% Cloudy

• RealFeel Shade™: 72°
• Wind: SSW 9 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 14 mph
• Humidity: 63%
• Indoor Humidity: 63% (Slightly Humid)
• Dew Point: 61° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 10100 ft

1 PM

78° RealFeel® 78° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 39% Cloudy

• RealFeel Shade™: 75°
• Wind: S 9 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 16 mph
• Humidity: 53%
• Indoor Humidity: 53% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 6500 ft

2 PM

80° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• RealFeel Shade™: 76°
• Wind: S 14 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 25 mph
• Humidity: 49%
• Indoor Humidity: 49% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 6500 ft

3 PM

72° RealFeel® 68° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 61% Thunderstorms

• RealFeel Shade™: 67°
• Wind: S 14 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 21 mph
• Humidity: 88%
• Indoor Humidity: 88% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Rain: 0.43 in
• Visibility: 2 mi
• Cloud Ceiling: 2000 ft

4 PM

71° RealFeel® 71° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• RealFeel Shade™: 70°
• Wind: S 16 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 18 mph
• Humidity: 88%
• Indoor Humidity: 88% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 4000 ft

5 PM

72° RealFeel® 66° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 61% Thunderstorms

• RealFeel Shade™: 66°
• Wind: S 16 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 23 mph
• Humidity: 91%
• Indoor Humidity: 91% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Rain: 0.43 in
• Visibility: 2 mi
• Cloud Ceiling: 2000 ft

6 PM

72° RealFeel® 69° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• RealFeel Shade™: 69°
• Wind: S 15 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 23 mph
• Humidity: 76%
• Indoor Humidity: 76% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 18700 ft

7 PM

70° RealFeel® 68° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• RealFeel Shade™: 68°
• Wind: S 14 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 25 mph
• Humidity: 79%
• Indoor Humidity: 79% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 10100 ft

8 PM

70° RealFeel® 62° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 57% Thunderstorms

• RealFeel Shade™: 62°
• Wind: SSE 8 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 21 mph
• Humidity: 79%
• Indoor Humidity: 79% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 100%
• Rain: 0.26 in
• Visibility: 3 mi
• Cloud Ceiling: 2000 ft

9 PM

68° RealFeel® 66° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• Wind: S 7 mph
• Air Quality: Fair
• Wind Gusts: 15 mph
• Humidity: 84%
• Indoor Humidity: 83% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 100%
• Visibility: 10 mi
• Cloud Ceiling: 2000 ft

10 PM

66° RealFeel® 64° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• Wind: SSW 7 mph
• Air Quality: Fair
• Wind Gusts: 13 mph
• Humidity: 89%
• Indoor Humidity: 83% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 100%
• Visibility: 10 mi
• Cloud Ceiling: 4000 ft

11 PM

65° RealFeel® 58° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 66% Thunderstorms

• Wind: SW 6 mph
• Air Quality: Fair
• Wind Gusts: 12 mph
• Humidity: 91%
• Indoor Humidity: 82% (Slightly Humid)
• Dew Point: 62° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 100%
• Rain: 0.26 in
• Visibility: 3 mi
• Cloud Ceiling: 2000 ft