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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right

Mercersburg Junction, PA

88°F
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Mercersburg Junction

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Mercersburg Junction, PA Weather
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Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Sunday, June 22

Current Weather

11:16 AM

88°F
Sunny
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
RealFeel Shade™ 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
RealFeel®
100°
RealFeel Shade™
93°
Max UV Index
10 Very High
Wind
WSW 5 mph
Wind Gusts
10 mph
Humidity
61%
Indoor Humidity
61% (Extremely Humid)
Dew Point
73° F
Pressure
↔ 30.16 in
Cloud Cover
6%
Visibility
15 mi
Cloud Ceiling
33000 ft

Day

6/22
97°Hi
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 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
Sunny to partly cloudy, hot and humid; stay hydrated when outside in the heat
alerts

Extreme Heat Warning

11:00 AM Sunday - 8:00 PM Wednesday

Max UV Index11 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindW 8 mph

Wind Gusts20 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover15%

Morning

Afternoon

Night

6/22
74°Lo
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, warm and humid
alerts

Extreme Heat Warning

11:00 AM Sunday - 8:00 PM Wednesday

WindWNW 5 mph

Wind Gusts13 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

14 hrs 59 mins
Rise 5:44 AM
Set 8:43 PM
Waning Crescent
Rise 2:50 AM
Set 6:07 PM

Temperature History

6/22
High
Low
Forecast
97°
74°
Average
84°
66°
Last Year
100°
70°

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World North America United States Pennsylvania Mercersburg Junction

Weather Near Mercersburg Junction:

  • Harrisburg, PA
  • Lancaster, PA
  • York, PA
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