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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right

Union Square, PA

79°F
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Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Monday, June 23

Day

6/23
96°Hi
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
RealFeel Shade™ 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
Very hot and very humid with sizzling sunshine; one of the hottest days of the year so far; stay cool and well hydrated
alerts

Extreme Heat Warning

11:00 AM Sunday - 8:00 PM Wednesday

Max UV Index11 (Extreme)

AccuLumen Brightness Index™10 (Very Bright)

WindWNW 8 mph

Wind Gusts14 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover2%

Morning

Afternoon

Night

6/23
75°Lo
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, very warm and very humid; little heat relief; uncomfortable night for sleeping without air conditioning
alerts

Extreme Heat Warning

11:00 AM Sunday - 8:00 PM Wednesday

WindW 5 mph

Wind Gusts9 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

15 hrs 02 mins
Rise 5:37 AM
Set 8:39 PM
Waning Crescent
Rise 3:24 AM
Set 7:20 PM

Temperature History

6/23
High
Low
Forecast
96°
75°
Average
82°
62°
Last Year
92°
75°
Record
89°
1975
44°
1992

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World North America United States Pennsylvania Union Square

Weather Near Union Square:

  • Harrisburg, PA
  • Lancaster, PA
  • York, PA
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