August 9 - September 22

Sat 8/9

87° /65°

Mostly sunny and warm

RealFeel®95°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindSSE 5 mph

Sun 8/10

89° /67°

Mostly sunny and warm

RealFeel®97°

RealFeel Shade™88°

Max UV Index9 (Very High)

WindS 6 mph

Mon 8/11

91° /67°

Hot with plenty of sunshine; caution advised if doing strenuous activities outside

RealFeel®97°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindS 7 mph

Tue 8/12

92° /69°

Hot with periods of clouds and sunshine; caution advised if doing strenuous activities outside

RealFeel®100°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindSSW 6 mph

Wed 8/13

86° /70°

55%

Humid with variable cloudiness; widely separated afternoon thunderstorms

RealFeel®92°

RealFeel Shade™89°

Max UV Index6 (High)

WindWSW 7 mph

Thu 8/14

84° /68°

87%

Clouds giving way to some sun and humid; occasional rain and a thunderstorm in the morning followed by a couple of thunderstorms in the afternoon

RealFeel®93°

RealFeel Shade™83°

Max UV Index7 (High)

WindNNW 4 mph

Fri 8/15

87° /68°

55%

Partly sunny, warm and humid with a stray thunderstorm

RealFeel®99°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindNNW 2 mph

Sat 8/16

87° /69°

70%

Mostly cloudy and warm; a couple of thunderstorms in the afternoon

RealFeel®93°

RealFeel Shade™93°

Max UV Index4 (Moderate)

WindSW 2 mph

Sun 8/17

88° /67°

59%

Mostly cloudy, humid and remaining warm with a thunderstorm or two

RealFeel®91°

RealFeel Shade™89°

Max UV Index5 (Moderate)

WindSSW 4 mph

Mon 8/18

86° /66°

55%

Partial sunshine with a thunderstorm in one or two spots

RealFeel®88°

RealFeel Shade™83°

Max UV Index8 (Very High)

WindSW 6 mph

Tue 8/19

89° /69°

Warm with plenty of sun

RealFeel®93°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindE 5 mph

Wed 8/20

88° /68°

Mostly sunny and warm

RealFeel®94°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSSE 2 mph

Thu 8/21

88° /66°

Mostly sunny and remaining warm

RealFeel®94°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindESE 2 mph

Fri 8/22

85° /60°

56%

Occasional morning rain; otherwise, cloudy

RealFeel®84°

RealFeel Shade™83°

Max UV Index2 (Low)

WindNNE 8 mph

Sat 8/23

79° /58°

Less humid with plenty of sunshine

RealFeel®84°

RealFeel Shade™77°

Max UV Index8 (Very High)

WindNE 4 mph

Sun 8/24

80° /62°

25%

Increasing cloudiness

RealFeel®83°

RealFeel Shade™79°

Max UV Index8 (Very High)

WindSSE 5 mph

Mon 8/25

84° /64°

25%

Mostly cloudy and humid

RealFeel®87°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindSSW 6 mph

Tue 8/26

81° /64°

20%

Mostly sunny and humid

RealFeel®89°

RealFeel Shade™82°

Max UV Index7 (High)

WindSSW 6 mph

Wed 8/27

84° /63°

55%

A couple of morning showers; otherwise, humid with a blend of sun and clouds

RealFeel®85°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSW 8 mph

Thu 8/28

83° /64°

25%

Mostly cloudy and humid

RealFeel®88°

RealFeel Shade™87°

Max UV Index2 (Low)

WindNNW 2 mph

Fri 8/29

81° /63°

25%

Partly sunny

RealFeel®84°

RealFeel Shade™80°

Max UV Index7 (High)

WindENE 7 mph

Sat 8/30

82° /64°

25%

A thick cloud cover and humid

RealFeel®81°

RealFeel Shade™81°

Max UV Index2 (Low)

WindESE 7 mph

Sun 8/31

81° /64°

70%

Cloudy and humid with showers and thunderstorms becoming more widespread

RealFeel®84°

RealFeel Shade™84°

Max UV Index2 (Low)

WindESE 7 mph

Mon 9/1

79° /63°

25%

Partly sunny and humid

RealFeel®86°

RealFeel Shade™80°

Max UV Index7 (High)

WindNNE 5 mph

Tue 9/2

81° /63°

25%

Humid with times of clouds and sun

RealFeel®83°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindN 7 mph

Wed 9/3

82° /62°

25%

Clouds yielding to sun

RealFeel®87°

RealFeel Shade™82°

Max UV Index7 (High)

WindSE 4 mph

Thu 9/4

81° /63°

62%

Mostly cloudy and humid with a couple of showers and a thunderstorm

RealFeel®86°

RealFeel Shade™86°

Max UV Index2 (Low)

WindSE 5 mph

Fri 9/5

82° /63°

60%

A couple of morning showers; otherwise, cloudy and humid

RealFeel®86°

RealFeel Shade™86°

Max UV Index2 (Low)

WindE 2 mph

Sat 9/6

77° /62°

25%

Overcast and humid

RealFeel®78°

RealFeel Shade™78°

Max UV Index2 (Low)

WindNE 5 mph

Sun 9/7

77° /62°

25%

Mostly cloudy

RealFeel®77°

RealFeel Shade™77°

Max UV Index5 (Moderate)

WindNNE 5 mph

Mon 9/8

78° /61°

25%

Intervals of clouds and sunshine

RealFeel®79°

RealFeel Shade™78°

Max UV Index2 (Low)

WindNNW 4 mph

Tue 9/9

79° /61°

25%

Intervals of clouds and sunshine

RealFeel®81°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindE 2 mph

Wed 9/10

81° /60°

10%

Mostly sunny

RealFeel®82°

RealFeel Shade™79°

Max UV Index6 (High)

WindSSW 6 mph

Thu 9/11

81° /61°

20%

Partly sunny and warm

RealFeel®83°

RealFeel Shade™79°

Max UV Index6 (High)

WindNNW 6 mph

Fri 9/12

82° /57°

25%

Mostly sunny and warm

RealFeel®83°

RealFeel Shade™80°

Max UV Index6 (High)

WindNW 7 mph

Sat 9/13

81° /59°

Mostly sunny

RealFeel®82°

RealFeel Shade™78°

Max UV Index6 (High)

WindNNW 6 mph

Sun 9/14

82° /59°

25%

Partly sunny and warm

RealFeel®83°

RealFeel Shade™81°

Max UV Index6 (High)

WindW 7 mph

Mon 9/15

71° /47°

64%

Mostly cloudy and not as warm; a couple of showers and a thunderstorm in the morning followed by a little rain in the afternoon

RealFeel®69°

RealFeel Shade™69°

Max UV Index2 (Low)

WindWNW 12 mph

Tue 9/16

68° /49°

Times of sun and clouds

RealFeel®69°

RealFeel Shade™65°

Max UV Index2 (Low)

WindNW 8 mph

Wed 9/17

72° /52°

Mostly sunny

RealFeel®75°

RealFeel Shade™70°

Max UV Index5 (Moderate)

WindSE 5 mph

Thu 9/18

71° /56°

10%

Mostly cloudy

RealFeel®71°

RealFeel Shade™71°

Max UV Index3 (Moderate)

WindSSE 5 mph

Fri 9/19

79° /48°

65%

Partial sunshine with a couple of showers and a thunderstorm in the afternoon

RealFeel®80°

RealFeel Shade™76°

Max UV Index5 (Moderate)

WindS 8 mph

Sat 9/20

71° /59°

57%

A couple of showers in the morning; otherwise, intervals of clouds and sunshine

RealFeel®71°

RealFeel Shade™70°

Max UV Index3 (Moderate)

WindW 7 mph

Sun 9/21

78° /51°

Mostly sunny

RealFeel®80°

RealFeel Shade™76°

Max UV Index5 (Moderate)

WindS 5 mph

Mon 9/22

80° /56°

Mostly sunny and warm

RealFeel®83°

RealFeel Shade™80°

Max UV Index5 (Moderate)

WindSW 4 mph

Jefferson, PA

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