ALLENTOWN, PA 18102 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

6:51 AM EDT JUN 30, 2025
Clear
70°F
Feels Like: 70°F
Dewpoint: 63°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: E at 6 mph
Pressure: 30.03 inches
Last 72 hours

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ALLENTOWN, PA 18102
Weather Forecast

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Snow Depth pages
TODAY
Partly sunny. A chance of showers and thunderstorms this afternoon. Hot with highs in the upper 80s. Light and variable winds, becoming south around 5 mph this afternoon. Chance of rain 50 percent.
TONIGHT
Showers likely with a chance of thunderstorms. Humid with lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 70 percent.
TUESDAY
Partly sunny. A chance of showers in the morning, then showers with thunderstorms likely in the afternoon. Hot with highs in the mid 80s. Southwest winds 10 to 15 mph. Chance of rain 90 percent.
TUESDAY NIGHT
Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Humid with lows in the upper 60s. West winds 5 to 10 mph. Chance of rain 90 percent.
WEDNESDAY
Sunny, hot with highs in the mid 80s. Northwest winds around 5 mph.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 60s.
THURSDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 80s. Chance of rain 30 percent.
THURSDAY NIGHT
Mostly clear. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 30 percent.
INDEPENDENCE DAY
Sunny. Highs around 80.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
SATURDAY
Sunny. Highs in the lower 80s.
SATURDAY NIGHT
Partly cloudy. Lows in the mid 60s.
SUNDAY
Mostly sunny. Hot with highs in the upper 80s.

Visible Weather Satellite
ALLENTOWN, PA 18102
Infrared Weather Satellite
ALLENTOWN, PA 18102
NEXRAD Weather Radar
ALLENTOWN, PA 18102

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  6/29/2025
Monday
30 JUN 2025
ALLENTOWN, PA 18102 weather forecast Day 1, 0 hours 2 AM 70° 70° Mostly Cloudy 1%

0% Thunder
( 3% severe)
NNE   1 81% 64°
Low 66° ALLENTOWN, PA 18102 weather forecast Day 1, 3 hours 5 AM 67° 67° Mostly Cloudy NE   1 87% 63°
High 88° ALLENTOWN, PA 18102 weather forecast Day 1, 6 hours 8 AM 72° 72° Mostly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 19% severe)
  CALM 76% 64°

Mostly Cloudy

Chance of Rain

ALLENTOWN, PA 18102 weather forecast Day 1, 9 hours 11 AM 81° 84° Mostly Cloudy SE   1 63% 67°
ALLENTOWN, PA 18102 weather forecast Day 1, 12 hours 2 PM 86° 91° Mostly Cloudy 43%
RAIN
***
0% Thunder
( 49% severe)
S   5 59% 70°
ALLENTOWN, PA 18102 weather forecast Day 1, 15 hours 5 PM 84° 89° Mostly Cloudy S   7 65% 71°
ALLENTOWN, PA 18102 weather forecast Day 1, 18 hours 8 PM 80° 83° Mostly Cloudy 45%
RAIN
***
0% Thunder
( 41% severe)
S   6 74% 71°
ALLENTOWN, PA 18102 weather forecast Day 1, 21 hours 11 PM 76° 77° Mostly Cloudy WSW   5 85% 71°
Tuesday
1 JUL 2025
ALLENTOWN, PA 18102 weather forecast Day 2, 0 hours 2 AM 74° 74° Mostly Cloudy 38%
RAIN
***
0% Thunder
( 18% severe)
SW   5 90% 71°
Low 72° ALLENTOWN, PA 18102 weather forecast Day 2, 3 hours 5 AM 73° 73° Mostly Cloudy SSW   6 97% 72°
High 86° ALLENTOWN, PA 18102 weather forecast Day 2, 6 hours 8 AM 76° 76° Mostly Cloudy 49%
RAIN
1–2 in
0% Thunder
( 21% severe)
SW   8 87% 72°

Mostly Cloudy

Rain Likely

ALLENTOWN, PA 18102 weather forecast Day 2, 9 hours 11 AM 81° 85° Partly Cloudy SW   10 74% 72°
ALLENTOWN, PA 18102 weather forecast Day 2, 12 hours 2 PM 84° 90° Mostly Cloudy 87%
RAIN
***
0% Thunder
( 57% severe)
SW   13 67% 72°
ALLENTOWN, PA 18102 weather forecast Day 2, 15 hours 5 PM 82° 86° Mostly Cloudy SW   12 69% 71°
ALLENTOWN, PA 18102 weather forecast Day 2, 18 hours 8 PM 78° 80° Mostly Cloudy 40%
RAIN
***
0% Thunder
( 22% severe)
SW   8 76% 70°
ALLENTOWN, PA 18102 weather forecast Day 2, 21 hours 11 PM 73° 73° Mostly Cloudy WSW   6 87% 69°

ALLENTOWN, PA extended weather forecast

Wednesday
2 JUL 2025
Thursday
3 JUL 2025
Friday
4 JUL 2025
Saturday
5 JUL 2025
Sunday
6 JUL 2025
Low 67° Low 66° Low 62° Low 64° Low 68°
High 89° High 88° High 89° High 89° High 93°
ALLENTOWN, PA 18102 weather forecast Day 3 ALLENTOWN, PA 18102 weather forecast Day 4 ALLENTOWN, PA 18102 weather forecast Day 5 ALLENTOWN, PA 18102 weather forecast Day 6 ALLENTOWN, PA 18102 weather forecast Day 7
Mostly Cloudy
45% Rain
Partly Cloudy
21% Rain
Partly Cloudy
16% Rain
Partly Cloudy
20% Rain
Partly Cloudy
27% Rain
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