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Mercersburg, PA

89°F
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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, September 18

Day

9/18
89°Hi
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
RealFeel Shade™ 87°
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
Warmer with intervals of clouds and sunshine

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™9 (Very Bright)

WindW 5 mph

Wind Gusts13 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover25%

Morning

Afternoon

Night

9/18
57°Lo
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear to partly cloudy; areas of late-night fog

WindWNW 5 mph

Wind Gusts12 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover11%

Evening

Overnight

Sun & Moon

12 hrs 21 mins
Rise 6:55 AM
Set 7:16 PM
Waning Crescent
Rise 3:26 AM
Set 5:57 PM

Temperature History

9/18
High
Low
Forecast
89°
57°
Average
75°
54°
Last Year
71°
64°

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World North America United States Pennsylvania Mercersburg

Weather Near Mercersburg:

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