LEHIGH VALLEY, PA 18003 Weather Forecast & Current Conditions
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  18003 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ALLENTOWN, PA
Current Weather
5:51 AM EDT JUL 15, 2025
Overcast
72°F
Feels Like: 72°F
Dewpoint: 70°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: Calm
Pressure: 30.08 inches
Last 72 hours

Local Area Snow Depth

Pennsylvania Current Weather

Pennsylvania MOS Forecast Weather


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(Automated weather data from NWS/FAA)
  18003 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

LEHIGH VALLEY, PA 18003
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. A chance of showers and thunderstorms this afternoon. Hot with highs in the mid 80s. Light and variable winds, becoming southeast around 5 mph this afternoon. Chance of rain 40 percent.
TONIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.
WEDNESDAY
Partly sunny with a chance of showers in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Hot with highs in the upper 80s. South winds around 5 mph. Chance of rain 80 percent.
WEDNESDAY NIGHT
Showers with thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 80 percent.
THURSDAY
Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Hot with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
THURSDAY NIGHT
Partly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the lower 70s. Chance of rain 70 percent.
FRIDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 80s. Temperature falling into the lower 80s in the afternoon. Chance of rain 50 percent.
FRIDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 50 percent.
SATURDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of showers. Lows in the upper 60s.
SUNDAY
Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.
SUNDAY NIGHT
Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 60s. Chance of rain 70 percent.
MONDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

  18003 WEATHER SATELLITE LOOPS
Visible Weather Satellite
LEHIGH VALLEY, PA 18003
Infrared Weather Satellite
LEHIGH VALLEY, PA 18003
  18003 WEATHER RADAR LOOP
NEXRAD Weather Radar
LEHIGH VALLEY, PA 18003
 MOS COMPUTER WEATHER FORECAST

ALLENTOWN, PA 3 hourly weather forecast
weather forecast created  5:00 PM PDT  7/14/2025
Tuesday
15 JUL 2025		 LEHIGH VALLEY, PA 18003 weather forecast Day 1, 0 hours 2 AM 72° 72° Mostly Cloudy 21%
RAIN
.01–.1 in		 0% Thunder
( 14% severe)		 N   1 93% 70°
Low 70° LEHIGH VALLEY, PA 18003 weather forecast Day 1, 3 hours 5 AM 71° 71° Mostly Cloudy NNW   1 97% 70°
High 88° LEHIGH VALLEY, PA 18003 weather forecast Day 1, 6 hours 8 AM 73° 73° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 9% severe)		 N   1 90% 70°

Partly Cloudy

Chance of Rain

 LEHIGH VALLEY, PA 18003 weather forecast Day 1, 9 hours 11 AM 80° 83° Partly Cloudy ENE   1 74% 71°
LEHIGH VALLEY, PA 18003 weather forecast Day 1, 12 hours 2 PM 86° 91° Partly Cloudy 31%
RAIN
<.01 in		 0% Thunder
( 30% severe)		 SSE   2 61% 71°
LEHIGH VALLEY, PA 18003 weather forecast Day 1, 15 hours 5 PM 86° 91° Partly Cloudy SSW   3 61% 71°
LEHIGH VALLEY, PA 18003 weather forecast Day 1, 18 hours 8 PM 82° 86° Partly Cloudy 8%

 0% Thunder
( 13% severe)		 S   2 69% 71°
LEHIGH VALLEY, PA 18003 weather forecast Day 1, 21 hours 11 PM 77° 79° Partly Cloudy S   1 82% 71°
Wednesday
16 JUL 2025		 LEHIGH VALLEY, PA 18003 weather forecast Day 2, 0 hours 2 AM 74° 74° Partly Cloudy 9%

 0% Thunder
( 5% severe)		 SSE   1 90% 71°
Low 72° LEHIGH VALLEY, PA 18003 weather forecast Day 2, 3 hours 5 AM 73° 73° Mostly Cloudy SSE   1 93% 71°
High 88° LEHIGH VALLEY, PA 18003 weather forecast Day 2, 6 hours 8 AM 76° 76° Mostly Cloudy 31%
RAIN
<.01 in		 0% Thunder
( 17% severe)		 S   1 87% 72°

Mostly Cloudy

Rain Likely

 LEHIGH VALLEY, PA 18003 weather forecast Day 2, 9 hours 11 AM 82° 87° Mostly Cloudy S   3 74% 73°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 12 hours 2 PM 86° 93° Mostly Cloudy 71%
RAIN
***		 0% Thunder
( 56% severe)		 SSW   7 65% 73°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 15 hours 5 PM 83° 88° Mostly Cloudy SSW   8 70% 72°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 18 hours 8 PM 79° 82° Mostly Cloudy 42%
RAIN
***		 0% Thunder
( 40% severe)		 SW   6 77% 71°
LEHIGH VALLEY, PA 18003 weather forecast Day 2, 21 hours 11 PM 76° 76° Mostly Cloudy SW   5 87% 72°

ALLENTOWN, PA extended weather forecast
Thursday
17 JUL 2025		 Friday
18 JUL 2025		 Saturday
19 JUL 2025		 Sunday
20 JUL 2025		 Monday
21 JUL 2025
Low 73° Low 72° Low 61° Low 66° Low 69°
High 92° High 83° High 85° High 86° High 87°
LEHIGH VALLEY, PA 18003 weather forecast Day 3 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
Mostly Cloudy
75% Rain		 Partly Cloudy
18% Rain		 Partly Cloudy
13% Rain		 Mostly Cloudy
55% Rain		 Mostly Cloudy
43% Rain
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