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Mercersburg, PA

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Mercersburg, PA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, May 18

Day

5/18
96°Hi
RealFeel® 102°
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™ 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
Mostly sunny and hot; a thunderstorm around this afternoon; thunderstorms can bring localized damaging wind gusts

Max UV Index10.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindSSW 6 mph

Wind Gusts16 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.05 in

Rain0.05 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover22%

Morning

Afternoon

Night

5/18
66°Lo
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear to partly cloudy, warm and humid

WindSW 6 mph

Wind Gusts8 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover20%

Evening

Overnight

Sun & Moon

14 hrs 28 mins
Rise 5:54 AM
Set 8:22 PM
Waxing Crescent
Rise 7:01 AM
Set 11:12 PM

Temperature History

5/18
High
Low
Forecast
96°
66°
Average
73°
51°
Last Year
73°
62°

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World North America United States Pennsylvania Mercersburg

Weather Near Mercersburg:

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