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Summer forecast 2026: Get ready for widespread heat as El Niño strengthens. Chevron right
Frost, record-challenging chill is headed for the eastern US. See how cold it will get. Chevron right

Chambersburg, PA

54°F
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Chambersburg

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54°
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Chambersburg, PA Weather
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April 30 - May 14

Thu 4/30

62° /38°
25%
Breezy with intervals of clouds and sunshine

RealFeel®63°

RealFeel Shade™58°

Max UV Index4.0 (Moderate)

WindWNW 14 mph

Fri 5/1

60° /41°
66%
Intervals of clouds and sunshine with a shower in the afternoon

RealFeel®64°

RealFeel Shade™56°

Max UV Index5.0 (Moderate)

WindW 6 mph

Sat 5/2

57° /38°
12%
Cool with considerable cloudiness

RealFeel®56°

RealFeel Shade™53°

Max UV Index3.0 (Moderate)

WindNNW 9 mph

Sun 5/3

61° /42°
6%
Partly sunny and breezy

RealFeel®61°

RealFeel Shade™55°

Max UV Index9.0 (Very High)

WindNW 14 mph

Mon 5/4

64° /50°
58%
Mostly cloudy with a shower in the area in the afternoon

RealFeel®70°

RealFeel Shade™62°

Max UV Index8.0 (Very High)

WindS 8 mph

Tue 5/5

77° /56°
72%
A couple of showers in the morning; otherwise, breezy with times of clouds and sun

RealFeel®76°

RealFeel Shade™73°

Max UV Index7.0 (High)

WindS 16 mph

Wed 5/6

73° /54°
30%
Mostly cloudy with a shower possible

RealFeel®70°

RealFeel Shade™68°

Max UV Index5.0 (Moderate)

WindSW 16 mph

Thu 5/7

64° /44°
55%
A morning shower in places; otherwise, partly sunny

RealFeel®68°

RealFeel Shade™60°

Max UV Index9.0 (Very High)

WindW 14 mph

Fri 5/8

59° /42°
57%
Partly sunny with a couple of showers, mainly early in the day

RealFeel®60°

RealFeel Shade™56°

Max UV Index6.0 (High)

WindWNW 12 mph

Sat 5/9

61° /46°
6%
Periods of clouds and sunshine

RealFeel®60°

RealFeel Shade™56°

Max UV Index5.0 (Moderate)

WindS 10 mph

Sun 5/10

64° /48°
10%
Mostly cloudy

RealFeel®64°

RealFeel Shade™61°

Max UV Index4.0 (Moderate)

WindS 9 mph

Mon 5/11

66° /48°
58%
Occasional morning rain; otherwise, mainly cloudy

RealFeel®68°

RealFeel Shade™64°

Max UV Index10.0 (Very High)

WindW 10 mph

Tue 5/12

66° /47°
8%
Sun and areas of high clouds in the morning, then rather cloudy in the afternoon

RealFeel®72°

RealFeel Shade™67°

Max UV Index6.0 (High)

WindWNW 4 mph

Wed 5/13

67° /50°
25%
Cloudy

RealFeel®68°

RealFeel Shade™66°

Max UV Index3.0 (Moderate)

WindNNE 5 mph

Thu 5/14

66° /52°
58%
Cloudy; a morning shower in spots followed by a little rain in the afternoon

RealFeel®66°

RealFeel Shade™63°

Max UV Index3.0 (Moderate)

WindSSE 6 mph

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World North America United States Pennsylvania Chambersburg

Weather Near Chambersburg:

  • Altoona, PA
  • Harrisburg, PA
  • Lancaster, PA
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