ALLENTOWN, PA 18101 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

12:51 PM EDT JUL 16, 2025
Few Clouds
88°F
Feels Like: 95°F
Dewpoint: 72°F
Rel. Hum.: 59%
Visibility: 10 miles
Wind: SW at 8 mph
Pressure: 30.02 inches
Last 72 hours

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ALLENTOWN, PA 18101
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly sunny. Patchy fog this morning. Showers likely with a chance of thunderstorms this afternoon. Hot with highs in the upper 80s. Light and variable winds, becoming south around 5 mph this afternoon. Chance of rain 60 percent.
TONIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 60 percent.
THURSDAY
Showers likely in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.
THURSDAY NIGHT
Partly cloudy. Showers likely with a chance of thunderstorms in the evening. Humid with lows in the lower 70s. West winds 5 to 10 mph. Chance of rain 60 percent.
FRIDAY
Mostly sunny. Humid with highs in the lower 80s. Northwest winds 5 to 10 mph.
FRIDAY NIGHT
Mostly clear. Lows in the lower 60s.
SATURDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent.
SUNDAY
Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely 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 after midnight. Lows in the mid 60s. Chance of rain 70 percent.
MONDAY
Mostly sunny. Highs in the lower 80s.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.
TUESDAY
Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

Visible Weather Satellite
ALLENTOWN, PA 18101
Infrared Weather Satellite
ALLENTOWN, PA 18101
NEXRAD Weather Radar
ALLENTOWN, PA 18101

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  7/16/2025
Wednesday
16 JUL 2025
ALLENTOWN, PA 18101 weather forecast Day 1, 12 hours 2 PM 88° 95° Mostly Cloudy 44%
RAIN
***
0% Thunder
( 49% severe)
SSW   6 59% 72°
High 89° ALLENTOWN, PA 18101 weather forecast Day 1, 15 hours 5 PM 86° 92° Mostly Cloudy SSW   7 63% 72°
Mostly Cloudy

Chance of Rain

ALLENTOWN, PA 18101 weather forecast Day 1, 18 hours 8 PM 81° 85° Mostly Cloudy 43%
RAIN
***
0% Thunder
( 37% severe)
SSW   6 74% 72°
ALLENTOWN, PA 18101 weather forecast Day 1, 21 hours 11 PM 77° 78° Mostly Cloudy SW   5 85% 72°
Thursday
17 JUL 2025
ALLENTOWN, PA 18101 weather forecast Day 2, 0 hours 2 AM 75° 75° Mostly Cloudy 38%
RAIN
.5–1 in
0% Thunder
( 27% severe)
SW   3 90% 72°
Low 73° ALLENTOWN, PA 18101 weather forecast Day 2, 3 hours 5 AM 73° 73° Mostly Cloudy S   5 93% 71°
High 90° ALLENTOWN, PA 18101 weather forecast Day 2, 6 hours 8 AM 76° 76° Mostly Cloudy 35%
RAIN
.25–.5 in
0% Thunder
( 18% severe)
SW   7 87% 72°

Partly Cloudy

Chance of Rain

ALLENTOWN, PA 18101 weather forecast Day 2, 9 hours 11 AM 82° 87° Partly Cloudy WSW   9 74% 73°
ALLENTOWN, PA 18101 weather forecast Day 2, 12 hours 2 PM 87° 94° Partly Cloudy 34%
RAIN
.01–.1 in
0% Thunder
( 39% severe)
WSW   12 63% 73°
ALLENTOWN, PA 18101 weather forecast Day 2, 15 hours 5 PM 88° 95° Partly Cloudy WSW   13 59% 72°
ALLENTOWN, PA 18101 weather forecast Day 2, 18 hours 8 PM 84° 89° Partly Cloudy 8%

0% Thunder
( 20% severe)
WSW   10 65% 71°
ALLENTOWN, PA 18101 weather forecast Day 2, 21 hours 11 PM 80° 83° Partly Cloudy W   8 74% 71°
Friday
18 JUL 2025
ALLENTOWN, PA 18101 weather forecast Day 3, 0 hours 2 AM 75° 75° Partly Cloudy 2%

0% Thunder
( 2% severe)
WNW   8 82% 69°
Low 71° ALLENTOWN, PA 18101 weather forecast Day 3, 3 hours 5 AM 72° 72° Mostly Cloudy NW   7 84% 67°
High 83° ALLENTOWN, PA 18101 weather forecast Day 3, 6 hours 8 AM 73° 73° Partly Cloudy 3%

0% Thunder
( 1% severe)
NNW   8 73% 64°

Partly Cloudy



ALLENTOWN, PA 18101 weather forecast Day 3, 9 hours 11 AM 76° 78° Partly Cloudy NNW   8 64% 63°
ALLENTOWN, PA 18101 weather forecast Day 3, 15 hours 2 PM 80° 81° Partly Cloudy 8%

0% Thunder
( 2% severe)
NW   9 52% 61°
ALLENTOWN, PA 18101 weather forecast Day 3, 18 hours 5 PM 80° 81° Partly Cloudy NW   9 51% 60°
ALLENTOWN, PA 18101 weather forecast Day 3, 21 hours 8 PM 75° 75° Clear     N   6 58% 59°

ALLENTOWN, PA extended weather forecast

Saturday
19 JUL 2025
Sunday
20 JUL 2025
Monday
21 JUL 2025
Tuesday
22 JUL 2025
Wednesday
23 JUL 2025
Low 59° Low 67° Low 67° Low 69° Low 69°
High 86° High 83° High 86° High 86° High 88°
ALLENTOWN, PA 18101 weather forecast Day 4 ALLENTOWN, PA 18101 weather forecast Day 5 ALLENTOWN, PA 18101 weather forecast Day 6 ALLENTOWN, PA 18101 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
12% Rain
Overcast
57% Rain
Mostly Cloudy
39% Rain
Mostly Cloudy
44% Rain
Mostly Cloudy
51% Rain
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