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Hottest day yet as heat wave intensifies in the eastern US. Click for the forecast. Chevron right
4th of July forecast: Where will storms disrupt outdoor plans? Chevron right

Northwest, PA

94°F
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Northwest, PA Weather
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3 PM

96°
RealFeel® 106°
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 7%
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Sunny
alerts

Heat Advisory

12:00 PM Wednesday - 8:00 PM Friday

RealFeel Shade™99°

Heat Index104°

WindW 9 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts18 mph

Humidity45%

Indoor Humidity45% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling34000 ft

4 PM

97°
RealFeel® 104°
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 7%
Chevron down
Sunny
alerts

Heat Advisory

12:00 PM Wednesday - 8:00 PM Friday

RealFeel Shade™99°

Heat Index104°

WindW 9 mph

Air QualityPoor

Max UV Index4.9 (Moderate)

Wind Gusts21 mph

Humidity41%

Indoor Humidity41% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

96°
RealFeel® 99°
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 7%
Chevron down
Sunny
alerts

Heat Advisory

12:00 PM Wednesday - 8:00 PM Friday

RealFeel Shade™96°

Heat Index100°

WindW 9 mph

Air QualityPoor

Max UV Index3.5 (Moderate)

Wind Gusts21 mph

Humidity39%

Indoor Humidity39% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

93°
RealFeel® 96°
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 7%
Chevron down
Sunny
alerts

Heat Advisory

12:00 PM Wednesday - 8:00 PM Friday

RealFeel Shade™94°

Heat Index97°

WindWNW 8 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts20 mph

Humidity43%

Indoor Humidity43% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

91°
RealFeel® 94°
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 5%
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Mostly sunny
alerts

Heat Advisory

12:00 PM Wednesday - 8:00 PM Friday

RealFeel Shade™92°

Heat Index95°

WindWNW 7 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts16 mph

Humidity48%

Indoor Humidity48% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

88°
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
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

12:00 PM Wednesday - 8:00 PM Friday

RealFeel Shade™91°

Heat Index92°

WindWNW 6 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts12 mph

Humidity54%

Indoor Humidity54% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

85°
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 clear
alerts

Heat Advisory

12:00 PM Wednesday - 8:00 PM Friday

Heat Index89°

WindW 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

82°
RealFeel® 84°
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
Clear
alerts

Heat Advisory

12:00 PM Wednesday - 8:00 PM Friday

Heat Index85°

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

79°
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
Clear
alerts

Heat Advisory

12:00 PM Wednesday - 8:00 PM Friday

Heat Index80°

WindW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Northwest

AccuWeather's hourly forecast for Northwest provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 96° with a RealFeel® of 106°, sunny with a 7% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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