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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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7 AM

64°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™66°

WindW 4 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts6 mph

Humidity100%

Indoor Humidity88% (Humid)

Dew Point64° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling33400 ft

8 AM

68°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™70°

WindWNW 4 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts4 mph

Humidity100%

Indoor Humidity100% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

72°
RealFeel® 82°
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
rain drop 0%
Chevron down
Partly sunny
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™77°

WindWNW 4 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts5 mph

Humidity100%

Indoor Humidity95% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

76°
RealFeel® 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
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™82°

WindWNW 5 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts6 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

81°
RealFeel® 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
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™86°

WindWNW 6 mph

Air QualityPoor

Max UV Index8 (Very High)

Wind Gusts9 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

86°
RealFeel® 98°
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
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™91°

WindWNW 6 mph

Air QualityPoor

Max UV Index10 (Very High)

Wind Gusts10 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

91°
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
rain drop 0%
Chevron down
Partly sunny
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™95°

WindWNW 6 mph

Air QualityPoor

Max UV Index11 (Extreme)

Wind Gusts12 mph

Humidity52%

Indoor Humidity52% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

93°
RealFeel® 103°
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
rain drop 16%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™96°

WindWNW 7 mph

Air QualityPoor

Max UV Index9 (Very High)

Wind Gusts14 mph

Humidity48%

Indoor Humidity48% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling26200 ft

3 PM

91°
RealFeel® 100°
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
rain drop 16%
Chevron down
Mostly cloudy
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™94°

WindWNW 7 mph

Air QualityPoor

Max UV Index6 (High)

Wind Gusts14 mph

Humidity50%

Indoor Humidity50% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling27400 ft

4 PM

90°
RealFeel® 98°
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
rain drop 21%
Chevron down
Mostly cloudy
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™93°

WindWSW 7 mph

Air QualityFair

Max UV Index4 (Moderate)

Wind Gusts14 mph

Humidity52%

Indoor Humidity52% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover80%

Visibility10 mi

Cloud Ceiling28700 ft

5 PM

88°
RealFeel® 95°
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
rain drop 43%
Chevron down
Mostly cloudy
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™92°

WindWSW 7 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts14 mph

Humidity56%

Indoor Humidity56% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover82%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

87°
RealFeel® 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
rain drop 47%
Chevron down
Mostly cloudy
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™91°

WindW 7 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts12 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

84°
RealFeel® 88°
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
rain drop 51%
Chevron down
Thunderstorms
alerts

Heat Advisory

11:00 AM Sunday - 8:00 PM Wednesday

RealFeel Shade™88°

WindNNW 6 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts9 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover89%

Rain0.17 in

Visibility4 mi

Cloud Ceiling2000 ft

8 PM

81°
RealFeel® 88°
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
rain drop 43%
Chevron down
Mostly cloudy

RealFeel Shade™88°

WindN 6 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts7 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

79°
RealFeel® 83°
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
rain drop 51%
Chevron down
Thunderstorms

WindNNW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover81%

Rain0.04 in

Visibility8 mi

Cloud Ceiling4000 ft

10 PM

79°
RealFeel® 85°
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
rain drop 47%
Chevron down
Mostly cloudy

WindNNW 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

77°
RealFeel® 83°
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
rain drop 29%
Chevron down
Mostly cloudy

WindW 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

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