LEHIGH VALLEY, PA 18003 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

9:51 PM EST NOV 11, 2026
Broken Clouds
52°F
Feels Like: 52°F
Dewpoint: 37°F
Rel. Hum.: 56%
Visibility: 10 miles
Wind: Variable at 3 mph
Pressure: 29.79 inches
Last 72 hours

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LEHIGH VALLEY, PA 18003
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Cloudy. A chance of showers after midnight. Not as cool with lows in the mid 40s. Southeast winds around 5 mph, becoming east after midnight. Chance of rain 50 percent.
THURSDAY
Showers with a slight chance of thunderstorms. Highs in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.
THURSDAY NIGHT
Rain, cooler with lows in the mid 30s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
FRIDAY
Rain likely, mainly in the morning. Cooler with highs in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
FRIDAY NIGHT
Mostly cloudy. Cold with lows around 30. Northwest winds 5 to 10 mph with gusts up to 20 mph.
SATURDAY
Partly sunny. Highs in the mid 40s.
SATURDAY NIGHT
Partly cloudy. Cold with lows in the lower 30s.
SUNDAY
Mostly sunny. Highs in the upper 40s.
SUNDAY NIGHT
Partly cloudy. Cold with lows around 30.
MONDAY
Mostly sunny. Highs in the upper 40s.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Cold with lows in the upper 20s.
TUESDAY
Mostly sunny. Highs in the lower 50s.
TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Cold with lows in the upper 20s.

Visible Weather Satellite
LEHIGH VALLEY, PA 18003
Infrared Weather Satellite
LEHIGH VALLEY, PA 18003
NEXRAD Weather Radar
LEHIGH VALLEY, PA 18003

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created  4:00 AM PST 11/11/2026
Wednesday
11 NOV 2026
LEHIGH VALLEY, PA 18003 weather forecast Day 1, 12 hours 1 PM 63° 63° Mostly Cloudy 1%

0% Thunder
( 0% severe)
WSW   6 41% 39°
High 64° LEHIGH VALLEY, PA 18003 weather forecast Day 1, 15 hours 4 PM 62° 63° Mostly Cloudy SW   3 39% 37°
Mostly Cloudy

Chance of Rain

LEHIGH VALLEY, PA 18003 weather forecast Day 1, 18 hours 7 PM 52° 52° Mostly Cloudy 40%
RAIN
<.01 in
0% Thunder
( 5% severe)
SSE   3 56% 37°
LEHIGH VALLEY, PA 18003 weather forecast Day 1, 21 hours 10 PM 50° 49° Mostly Cloudy E   3 66% 39°
Thursday
12 NOV 2026
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 0 hours 1 AM 48° 46° Mostly Cloudy 60%
RAIN
.5–1 in
0% Thunder
( 9% severe)
ENE   5 80% 42°
Low 43° LEHIGH VALLEY, PA 18003 weather forecast Day 2, 3 hours 4 AM 47° 44° Mostly Cloudy ENE   7 89% 44°
High 59° LEHIGH VALLEY, PA 18003 weather forecast Day 2, 6 hours 7 AM 47° 43° Mostly Cloudy 95%
RAIN
***
0% Thunder
( 17% severe)
ENE   9 93% 45°

Mostly Cloudy

Rain

LEHIGH VALLEY, PA 18003 weather forecast Day 2, 9 hours 10 AM 53° 50° Mostly Cloudy E   8 90% 50°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 12 hours 1 PM 57° 56° Mostly Cloudy 88%
RAIN
***
0% Thunder
( 7% severe)
E   7 80% 51°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 15 hours 4 PM 57° 55° Mostly Cloudy ENE   10 72% 48°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 18 hours 7 PM 50° 46° Mostly Cloudy 32%
RAIN
>2 in
0% Thunder
( 2% severe)
NE   10 83% 45°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 21 hours 10 PM 45° 39° Mostly Cloudy N   12 93% 43°
Friday
13 NOV 2026
LEHIGH VALLEY, PA 18003 weather forecast Day 3, 0 hours 1 AM 42° 36° Mostly Cloudy 56%
RAIN
.5–1 in
0% Thunder
( 3% severe)
N   12 93% 40°
Low 34° LEHIGH VALLEY, PA 18003 weather forecast Day 3, 3 hours 4 AM 39° 31° Overcast NNW   13 96% 38°
High 47° LEHIGH VALLEY, PA 18003 weather forecast Day 3, 6 hours 7 AM 36° 28° Overcast 51%
RAIN
***
0% Thunder
( 3% severe)
NNW   13 96% 35°

Mostly Cloudy

Rain Likely

LEHIGH VALLEY, PA 18003 weather forecast Day 3, 9 hours 10 AM 43° 36° Mostly Cloudy NNW   14 73% 35°
LEHIGH VALLEY, PA 18003 weather forecast Day 3, 15 hours 1 PM 46° 40° Mostly Cloudy 18%
RAIN
.01–.1 in
0% Thunder
( 1% severe)
NNW   14 58% 32°
LEHIGH VALLEY, PA 18003 weather forecast Day 3, 18 hours 4 PM 46° 40° Mostly Cloudy NW   14 49% 28°
LEHIGH VALLEY, PA 18003 weather forecast Day 3, 21 hours 7 PM 41° 35° Mostly Cloudy     NW   10 65% 30°

ALLENTOWN, PA extended weather forecast

Saturday
14 NOV 2026
Sunday
15 NOV 2026
Monday
16 NOV 2026
Tuesday
17 NOV 2026
Wednesday
18 NOV 2026
Low 34° Low 34° Low 33° Low 33° Low 37°
High 45° High 49° High 51° High 51° High 55°
LEHIGH VALLEY, PA 18003 weather forecast Day 4 LEHIGH VALLEY, PA 18003 weather forecast Day 5 LEHIGH VALLEY, PA 18003 weather forecast Day 6 LEHIGH VALLEY, PA 18003 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
17% Rain/Snow
Partly Cloudy
9% Rain/Snow
Clear
17% Rain
Mostly Cloudy
33% Rain
Overcast
34% Rain
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