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Winter is right around the corner, and it could be snowy. Read AccuWeather's 2025-26 U.S. winter forecast. Chevron right

Allentown, PA

53°F
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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Wednesday, December 31

Day

12/31
33°Hi
RealFeel® 15°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel Shade™ 15°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Windy with periods of snow

Max UV Index1.0 (Low)

WindW 18 mph

Wind Gusts24 mph

Probability of Precipitation61%

Probability of Thunderstorms0%

Precipitation0.09 in

Snow1.2

Hours of Precipitation8

Cloud Cover99%

Night

12/31
21°Lo
RealFeel® 1°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
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Cloudy and windy with a bit of snow

WindWNW 20 mph

Wind Gusts27 mph

Probability of Precipitation57%

Probability of Thunderstorms0%

Precipitation0.04 in

Snow0.6

Hours of Precipitation5

Cloud Cover98%

Sun & Moon

9 hrs 20 mins
Rise 8:43 AM
Set 6:03 PM
Waxing Gibbous
Rise 3:04 PM
Set 7:06 AM

Temperature History

12/31
High
Low
Forecast
33°
21°
Average
38°
24°
Last Year
51°
36°
Record
N/A
-9°
1880

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World North America United States Pennsylvania Allentown

Weather Near Allentown:

  • Bethel Park, PA
  • Morgantown, WV
  • Pittsburgh, PA
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