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Boston, Philly hit 100, NYC breaks record from 1888 amid heat wave. Get the latest Chevron right
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Waterfall, PA

66°F
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Waterfall, PA Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast Monthly Air Quality Health & Activities
Heat Advisory

June 25 - August 8

Wed 6/25

93° /69°
47%
Hot and humid with clouds and sun; an afternoon t-storm in spots; extreme heat can be dangerous; storms can bring downpours and localized damaging wind gusts
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel®103°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindWNW 6 mph

Thu 6/26

89° /69°
97%
Variable cloudiness with a thunderstorm or two; humid

RealFeel®99°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindWNW 5 mph

Fri 6/27

79° /69°
88%
Not as warm but humid with a couple of showers and a thunderstorm; cloudy in the morning, then intervals of clouds and sunshine in the afternoon

RealFeel®87°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindSE 6 mph

Sat 6/28

86° /68°
80%
Humid with a thunderstorm in the area; cloudy in the morning, then times of clouds and sun in the afternoon

RealFeel®92°

RealFeel Shade™89°

Max UV Index5 (Moderate)

WindW 7 mph

Sun 6/29

87° /69°
25%
Mostly sunny, very warm and humid

RealFeel®96°

RealFeel Shade™87°

Max UV Index11 (Extreme)

WindWNW 5 mph

Mon 6/30

87° /68°
62%
Humid with times of sun and clouds; a couple of showers in the afternoon

RealFeel®94°

RealFeel Shade™87°

Max UV Index7 (High)

WindSSE 5 mph

Tue 7/1

81° /65°
62%
Mostly cloudy and humid; a couple of morning thunderstorms followed by a couple of showers in the afternoon

RealFeel®91°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindW 7 mph

Wed 7/2

83° /60°
1%
Less humid with periods of clouds and sunshine

RealFeel®86°

RealFeel Shade™80°

Max UV Index11 (Extreme)

WindWNW 6 mph

Thu 7/3

82° /62°
1%
Sunshine and a few clouds

RealFeel®88°

RealFeel Shade™82°

Max UV Index11 (Extreme)

WindNW 5 mph

Fri 7/4

80° /64°
25%
Intervals of clouds and sunshine

RealFeel®84°

RealFeel Shade™79°

Max UV Index11 (Extreme)

WindW 6 mph

Sat 7/5

82° /65°
56%
Rather cloudy and humid; occasional rain in the afternoon

RealFeel®89°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSW 1 mph

Sun 7/6

80° /64°
65%
Humid with periods of rain and a thunderstorm

RealFeel®87°

RealFeel Shade™84°

Max UV Index5 (Moderate)

WindSW 6 mph

Mon 7/7

84° /65°
61%
Humid with periods of rain

RealFeel®84°

RealFeel Shade™84°

Max UV Index5 (Moderate)

WindW 8 mph

Tue 7/8

83° /64°
20%
Sunny to partly cloudy and humid

RealFeel®92°

RealFeel Shade™86°

Max UV Index11 (Extreme)

WindESE 1 mph

Wed 7/9

81° /64°
20%
Sunshine and a few clouds

RealFeel®89°

RealFeel Shade™79°

Max UV Index11 (Extreme)

WindE 4 mph

Thu 7/10

83° /66°
25%
Increasing cloudiness and humid

RealFeel®86°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindSE 4 mph

Fri 7/11

83° /66°
65%
Cloudy and humid; a couple of afternoon showers

RealFeel®87°

RealFeel Shade™86°

Max UV Index3 (Moderate)

WindSW 7 mph

Sat 7/12

84° /65°
25%
Humid with sun followed by increasing clouds

RealFeel®90°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSW 4 mph

Sun 7/13

81° /66°
25%
Humid with sun and some clouds

RealFeel®90°

RealFeel Shade™83°

Max UV Index11 (Extreme)

WindNW 2 mph

Mon 7/14

82° /66°
25%
Humid with considerable cloudiness

RealFeel®87°

RealFeel Shade™86°

Max UV Index3 (Moderate)

WindS 4 mph

Tue 7/15

81° /65°
10%
Sunny much of the time and humid

RealFeel®91°

RealFeel Shade™84°

Max UV Index11 (Extreme)

WindSSW 2 mph

Wed 7/16

85° /67°
40%
Cloudy and humid with a thundershower in spots

RealFeel®88°

RealFeel Shade™88°

Max UV Index3 (Moderate)

WindS 8 mph

Thu 7/17

85° /67°
20%
Sunny to partly cloudy and humid

RealFeel®93°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSW 7 mph

Fri 7/18

86° /66°
5%
Humid with brilliant sunshine

RealFeel®93°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSW 6 mph

Sat 7/19

86° /67°
20%
Mostly sunny and humid

RealFeel®92°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSW 7 mph

Sun 7/20

85° /67°
40%
Cloudy and humid with a thunderstorm in spots

RealFeel®86°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindWSW 8 mph

Mon 7/21

85° /66°
10%
Mostly sunny and humid

RealFeel®92°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindNW 4 mph

Tue 7/22

84° /66°
10%
Mostly sunny and less humid

RealFeel®90°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindESE 5 mph

Wed 7/23

82° /65°
25%
Clouds and occasional sunshine

RealFeel®81°

RealFeel Shade™81°

Max UV Index5 (Moderate)

WindS 7 mph

Thu 7/24

85° /66°
25%
Turning cloudy

RealFeel®92°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindSSW 5 mph

Fri 7/25

86° /67°
10%
Sunny

RealFeel®93°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindSSW 4 mph

Sat 7/26

85° /66°
5%
Sunny

RealFeel®92°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindW 5 mph

Sun 7/27

87° /67°
25%
Increasing cloudiness and humid

RealFeel®91°

RealFeel Shade™87°

Max UV Index9 (Very High)

WindWSW 6 mph

Mon 7/28

85° /64°
65%
Cloudy and humid with showers and thunderstorms

RealFeel®89°

RealFeel Shade™89°

Max UV Index2 (Low)

WindNW 4 mph

Tue 7/29

79° /61°
25%
Less humid with clouds and sunshine

RealFeel®82°

RealFeel Shade™78°

Max UV Index5 (Moderate)

WindNNE 4 mph

Wed 7/30

79° /62°
25%
Overcast

RealFeel®78°

RealFeel Shade™78°

Max UV Index3 (Moderate)

WindNE 5 mph

Thu 7/31

78° /64°
25%
Cloudy

RealFeel®79°

RealFeel Shade™79°

Max UV Index3 (Moderate)

WindE 4 mph

Fri 8/1

79° /66°
43%
Cloudy and humid with a shower in spots

RealFeel®84°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSSE 2 mph

Sat 8/2

80° /66°
25%
Cloudy and humid

RealFeel®83°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindWSW 4 mph

Sun 8/3

80° /65°
55%
Cloudy and humid; a shower in spots in the morning followed by a little rain in the afternoon

RealFeel®80°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindW 7 mph

Mon 8/4

81° /66°
25%
Mostly cloudy and humid

RealFeel®85°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindSW 6 mph

Tue 8/5

84° /66°
56%
A little rain in the morning; otherwise, rather cloudy and humid

RealFeel®91°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindNW 6 mph

Wed 8/6

80° /64°
25%
Less humid with times of clouds and sun

RealFeel®87°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindNW 5 mph

Thu 8/7

81° /65°
70%
Cloudy and humid with showers and thunderstorms becoming more widespread

RealFeel®85°

RealFeel Shade™85°

Max UV Index2 (Low)

WindSSW 7 mph

Fri 8/8

83° /65°
61%
Times of clouds and sun with a couple of showers and a thunderstorm, mainly early; humid

RealFeel®90°

RealFeel Shade™86°

Max UV Index8 (Very High)

WindSW 7 mph

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