ALLENTOWN, PA 18104 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

3:51 AM EDT JUL 23, 2025
Scattered Clouds
64°F
Feels Like: 64°F
Dewpoint: 61°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: Calm
Pressure: 30.22 inches
Last 72 hours

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ALLENTOWN, PA 18104
Weather Forecast

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Snow Depth pages
TODAY
Patchy fog this morning. Mostly sunny. Highs in the lower 80s. Light and variable winds, becoming south around 5 mph this afternoon.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. South winds around 5 mph.
THURSDAY
Mostly sunny. Hot with highs in the upper 80s. Southwest winds 5 to 10 mph.
THURSDAY NIGHT
Mostly clear. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph.
FRIDAY
Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 50 percent.
SATURDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.
SUNDAY
Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.
SUNDAY NIGHT
Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 70 percent.
MONDAY
Mostly sunny. Hot with highs in the mid 80s.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.
TUESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 30 percent.

Visible Weather Satellite
ALLENTOWN, PA 18104
Infrared Weather Satellite
ALLENTOWN, PA 18104
NEXRAD Weather Radar
ALLENTOWN, PA 18104

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  7/22/2025
Wednesday
23 JUL 2025
ALLENTOWN, PA 18104 weather forecast Day 1, 0 hours 2 AM 65° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
NE   1 84% 60°
Low 62° ALLENTOWN, PA 18104 weather forecast Day 1, 3 hours 5 AM 63° 64° Partly Cloudy ENE   1 90% 60°
High 84° ALLENTOWN, PA 18104 weather forecast Day 1, 6 hours 8 AM 68° 68° Mostly Cloudy 3%

0% Thunder
( 1% severe)
  CALM 81% 62°

Partly Cloudy



ALLENTOWN, PA 18104 weather forecast Day 1, 9 hours 11 AM 77° 79° Partly Cloudy S   2 62% 63°
ALLENTOWN, PA 18104 weather forecast Day 1, 12 hours 2 PM 82° 83° Partly Cloudy 3%

0% Thunder
( 5% severe)
SSW   5 49% 61°
ALLENTOWN, PA 18104 weather forecast Day 1, 15 hours 5 PM 82° 83° Partly Cloudy S   6 49% 61°
ALLENTOWN, PA 18104 weather forecast Day 1, 18 hours 8 PM 78° 80° Partly Cloudy 4%

0% Thunder
( 3% severe)
S   6 58% 62°
ALLENTOWN, PA 18104 weather forecast Day 1, 21 hours 11 PM 72° 72° Partly Cloudy S   6 71% 62°
Thursday
24 JUL 2025
ALLENTOWN, PA 18104 weather forecast Day 2, 0 hours 2 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   5 81% 62°
Low 65° ALLENTOWN, PA 18104 weather forecast Day 2, 3 hours 5 AM 66° 66° Partly Cloudy SE   3 90% 63°
High 88° ALLENTOWN, PA 18104 weather forecast Day 2, 6 hours 8 AM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   3 81% 65°

Partly Cloudy



ALLENTOWN, PA 18104 weather forecast Day 2, 9 hours 11 AM 80° 82° Partly Cloudy SW   8 62% 66°
ALLENTOWN, PA 18104 weather forecast Day 2, 12 hours 2 PM 86° 88° Partly Cloudy 2%

0% Thunder
( 6% severe)
SW   9 51% 66°
ALLENTOWN, PA 18104 weather forecast Day 2, 15 hours 5 PM 86° 88° Partly Cloudy SW   10 51% 66°
ALLENTOWN, PA 18104 weather forecast Day 2, 18 hours 8 PM 82° 84° Clear 0%

0% Thunder
( 3% severe)
SSW   8 58% 66°
ALLENTOWN, PA 18104 weather forecast Day 2, 21 hours 11 PM 77° 79° Clear SSW   8 69% 66°

ALLENTOWN, PA extended weather forecast

BAD DAY
BAD DATE
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Low 67° Low 72° Low 70° Low 71° Low 70°
High 89° High 93° High 90° High 87° High 90°
ALLENTOWN, PA 18104 weather forecast Day 3 ALLENTOWN, PA 18104 weather forecast Day 4 ALLENTOWN, PA 18104 weather forecast Day 5 ALLENTOWN, PA 18104 weather forecast Day 6 ALLENTOWN, PA 18104 weather forecast Day 7
Partly Cloudy
10% Rain
Partly Cloudy
47% Rain
Partly Cloudy
42% Rain
Overcast
65% Rain
Partly Cloudy
30% Rain
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