ALLENTOWN, PA 18102 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

8:51 PM EDT AUG 17, 2025
Overcast
Light Rain
73°F
Feels Like: 73°F
Dewpoint: 72°F
Rel. Hum.: 97%
Visibility: 10 miles
Wind: W at 8 mph
Pressure: 29.90 inches
Last 72 hours

Local Area Snow Depth

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ALLENTOWN, PA 18102
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy. A chance of showers and thunderstorms this evening. Lows in the lower 60s. Northwest winds 5 to 10 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain 50 percent.
MONDAY
Mostly cloudy. Not as warm with highs in the lower 70s. Northeast winds 10 to 15 mph.
MONDAY NIGHT
Mostly cloudy. Lows in the lower 60s. East winds around 5 mph.
TUESDAY
Partly sunny. Highs in the mid 70s. East winds 5 to 10 mph.
TUESDAY NIGHT
Partly cloudy. Lows around 60. East winds 5 to 10 mph.
WEDNESDAY
Partly sunny. Highs in the upper 70s.
WEDNESDAY NIGHT
Partly cloudy. Lows in the lower 60s.
THURSDAY
Mostly sunny. Highs around 80.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s.
FRIDAY
Sunny. Highs in the lower 80s.
FRIDAY NIGHT
Mostly clear. Lows in the lower 60s.
SATURDAY
Mostly sunny. Highs in the lower 80s.
SATURDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.

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 AM PDT  8/17/2025
Sunday
17 AUG 2025
ALLENTOWN, PA 18102 weather forecast Day 1, 12 hours 2 PM 89° 93° Partly Cloudy 39%
RAIN
>2 in
0% Thunder
( 40% severe)
WSW   8 50% 68°
High 90° ALLENTOWN, PA 18102 weather forecast Day 1, 15 hours 5 PM 86° 89° Mostly Cloudy W   8 55% 68°
Mostly Cloudy

Chance of Rain

ALLENTOWN, PA 18102 weather forecast Day 1, 18 hours 8 PM 80° 83° Mostly Cloudy 24%
RAIN
.01–.1 in
0% Thunder
( 23% severe)
WNW   7 67% 68°
ALLENTOWN, PA 18102 weather forecast Day 1, 21 hours 11 PM 76° 77° Mostly Cloudy NNW   6 79% 69°
Monday
18 AUG 2025
ALLENTOWN, PA 18102 weather forecast Day 2, 0 hours 2 AM 72° 72° Mostly Cloudy 8%

0% Thunder
( 2% severe)
N   6 81% 66°
Low 63° ALLENTOWN, PA 18102 weather forecast Day 2, 3 hours 5 AM 68° 68° Mostly Cloudy NE   8 81% 62°
High 74° ALLENTOWN, PA 18102 weather forecast Day 2, 6 hours 8 AM 66° 66° Mostly Cloudy 8%

0% Thunder
( 1% severe)
NE   9 73% 57°

Mostly Cloudy



ALLENTOWN, PA 18102 weather forecast Day 2, 9 hours 11 AM 68° 68° Mostly Cloudy NE   10 65% 56°
ALLENTOWN, PA 18102 weather forecast Day 2, 12 hours 2 PM 71° 71° Mostly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 2% severe)
NE   9 59% 56°
ALLENTOWN, PA 18102 weather forecast Day 2, 15 hours 5 PM 72° 72° Mostly Cloudy E   9 59% 57°
ALLENTOWN, PA 18102 weather forecast Day 2, 18 hours 8 PM 70° 70° Mostly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 2% severe)
E   8 63% 57°
ALLENTOWN, PA 18102 weather forecast Day 2, 21 hours 11 PM 66° 66° Mostly Cloudy E   6 75% 58°
Tuesday
19 AUG 2025
ALLENTOWN, PA 18102 weather forecast Day 3, 0 hours 2 AM 64° 64° Mostly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 1% severe)
E   6 81% 58°
Low 61° ALLENTOWN, PA 18102 weather forecast Day 3, 3 hours 5 AM 62° 62° Mostly Cloudy E   6 84% 57°
High 77° ALLENTOWN, PA 18102 weather forecast Day 3, 6 hours 8 AM 63° 63° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 1% severe)
ENE   7 78% 56°

Mostly Cloudy



ALLENTOWN, PA 18102 weather forecast Day 3, 9 hours 11 AM 69° 69° Mostly Cloudy E   8 59% 54°
ALLENTOWN, PA 18102 weather forecast Day 3, 15 hours 2 PM 74° 74° Mostly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 2% severe)
ESE   8 50% 54°
ALLENTOWN, PA 18102 weather forecast Day 3, 18 hours 5 PM 74° 74° Mostly Cloudy ESE   9 51% 55°
ALLENTOWN, PA 18102 weather forecast Day 3, 21 hours 8 PM 70° 70° Partly Cloudy     ESE   8 59% 55°

ALLENTOWN, PA extended weather forecast

Wednesday
20 AUG 2025
Thursday
21 AUG 2025
Friday
22 AUG 2025
Saturday
23 AUG 2025
Sunday
24 AUG 2025
Low 60° Low 60° Low 63° Low 66° Low 68°
High 80° High 83° High 83° High 84° High 84°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
16% Rain
Partly Cloudy
17% Rain
Partly Cloudy
21% Rain
Mostly Cloudy
36% Rain
Mostly Cloudy
56% Rain
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