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

Union, PA

87°F
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Monday, June 23

Day

6/23
94°Hi
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
RealFeel Shade™ 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
Hot and very humid with plenty of 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)

WindNW 8 mph

Wind Gusts16 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover2%

Morning

Afternoon

Night

6/23
74°Lo
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, 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

WindWNW 5 mph

Wind Gusts12 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover1%

Evening

Overnight

Sun & Moon

15 hrs 01 mins
Rise 5:36 AM
Set 8:37 PM
Waning Crescent
Rise 3:24 AM
Set 7:18 PM

Temperature History

6/23
High
Low
Forecast
94°
74°
Average
83°
61°
Last Year
91°
73°

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Weather Near Union:

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