LEHIGH VALLEY, PA 18003 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

5:51 PM EDT JUN 23, 2025
Clear
97°F
Feels Like: 106°F
Dewpoint: 72°F
Rel. Hum.: 45%
Visibility: 10 miles
Wind: W at 10 mph
Pressure: 30.06 inches
Last 72 hours

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LEHIGH VALLEY, PA 18003
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the mid 70s. West winds around 5 mph.
TUESDAY
Sunny, hot with highs in the upper 90s. Northwest winds around 5 mph.
TUESDAY NIGHT
Mostly clear. Humid with lows in the mid 70s. Northwest winds around 5 mph.
WEDNESDAY
Sunny. A chance of showers in the afternoon. Hot with highs in the lower 90s. Northwest winds around 5 mph. Chance of rain 40 percent.
WEDNESDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the lower 70s. North winds around 5 mph. Chance of rain 40 percent.
THURSDAY
Partly sunny. Showers likely with a chance of thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 70 percent.
THURSDAY NIGHT
Mostly cloudy. Showers and thunderstorms likely, mainly in the evening. Lows in the upper 60s. Chance of rain 70 percent.
FRIDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Not as warm with highs in the upper 70s. Chance of rain 40 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.
SATURDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.
SUNDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 40 percent.
SUNDAY NIGHT
A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows around 70. Chance of rain 40 percent.

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  5:00 AM PDT  6/23/2025
Monday
23 JUN 2025
LEHIGH VALLEY, PA 18003 weather forecast Day 1, 12 hours 2 PM 95° 105° Clear 2%

0% Thunder
( 9% severe)
WNW   3 49% 73°
High 98° LEHIGH VALLEY, PA 18003 weather forecast Day 1, 15 hours 5 PM 97° 106° Partly Cloudy W   6 45% 72°
Partly Cloudy



LEHIGH VALLEY, PA 18003 weather forecast Day 1, 18 hours 8 PM 91° 100° Partly Cloudy 1%

0% Thunder
( 6% severe)
W   3 56% 73°
LEHIGH VALLEY, PA 18003 weather forecast Day 1, 21 hours 11 PM 83° 89° Partly Cloudy W   2 72% 73°
Tuesday
24 JUN 2025
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 0 hours 2 AM 78° 80° Clear 0%

0% Thunder
( 1% severe)
W   3 82% 72°
Low 74° LEHIGH VALLEY, PA 18003 weather forecast Day 2, 3 hours 5 AM 75° 75° Clear W   2 84% 70°
High 98° LEHIGH VALLEY, PA 18003 weather forecast Day 2, 6 hours 8 AM 81° 85° Clear 0%

0% Thunder
( 3% severe)
W   1 74% 72°

Clear



LEHIGH VALLEY, PA 18003 weather forecast Day 2, 9 hours 11 AM 91° 98° Clear WNW   3 52% 71°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 12 hours 2 PM 96° 102° Partly Cloudy 3%

0% Thunder
( 12% severe)
WNW   6 42% 69°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 15 hours 5 PM 96° 101° Clear WNW   8 40% 68°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 18 hours 8 PM 90° 96° Clear 3%

0% Thunder
( 7% severe)
WNW   5 52% 70°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 21 hours 11 PM 82° 85° Partly Cloudy WNW   2 65% 69°
Wednesday
25 JUN 2025
LEHIGH VALLEY, PA 18003 weather forecast Day 3, 0 hours 2 AM 78° 80° Partly Cloudy 0%

0% Thunder
( 2% severe)
NW   2 74% 69°
Low 74° LEHIGH VALLEY, PA 18003 weather forecast Day 3, 3 hours 5 AM 75° 75° Partly Cloudy NW   1 82% 69°
High 94° LEHIGH VALLEY, PA 18003 weather forecast Day 3, 6 hours 8 AM 80° 83° Clear 5%

0% Thunder
( 5% severe)
NNW   1 74% 71°

Increasing Clouds

Chance of Rain

LEHIGH VALLEY, PA 18003 weather forecast Day 3, 9 hours 11 AM 87° 92° Clear NW   2 57% 70°
LEHIGH VALLEY, PA 18003 weather forecast Day 3, 15 hours 2 PM 92° 98° Partly Cloudy 37%
RAIN
.1–.25 in
0% Thunder
( 34% severe)
WNW   5 49% 70°
LEHIGH VALLEY, PA 18003 weather forecast Day 3, 18 hours 5 PM 91° 97° Mostly Cloudy WNW   6 50% 70°
LEHIGH VALLEY, PA 18003 weather forecast Day 3, 21 hours 8 PM 85° 90° Mostly Cloudy     NNW   5 63% 71°

ALLENTOWN, PA extended weather forecast

Thursday
26 JUN 2025
Friday
27 JUN 2025
Saturday
28 JUN 2025
Sunday
29 JUN 2025
Monday
30 JUN 2025
Low 73° Low 70° Low 70° Low 70° Low 71°
High 89° High 84° High 91° High 92° High 91°
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
Overcast
74% Rain
Overcast
72% Rain
Mostly Cloudy
62% Rain
Partly Cloudy
36% Rain
Partly Cloudy
29% Rain
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