LEHIGH VALLEY, PA 18003 Weather Forecast & Current Conditions

Local Weather
- Local weather by ZIP or City
- Local area snow depth
- CURRENT WEATHER MAPS
- - Fronts & Pressure Centers
- - Current U.S. Temperatures
- - Northwest U.S.
- - Northeast U.S.
- - Mid-Atlantic U.S.
- - Midwest U.S.
- - Central Plains U.S.
- - Southeast U.S.
- - Southern Plains U.S.
- - Southwest U.S.
- - Alaska
10 Day Forecasts
Other Forecasts
- Snowstorm Forecast
- U.S. 6-hourly Snowfall Forecast
- 3 DAY NAM MODEL FORECASTS
- - Clouds & Precipitation
- - Temperature
- 7 DAY NWS FORECASTS
- - Weather Type
- - Precip. Probability
- - High Temperatures
- - Low Temperatures
- - Cloud Cover
- - Wind
- - Relative Humidity
- - Dewpoint
- - Snowfall
- SEASONAL FORECASTS
- - Temperature
- - Precipitation
Severe Weather
Radar
- U.S. RADAR (NWS interactive)
- U.S. RADAR (by state)
Satellite

18003 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLENTOWN, PA Current Weather
9:51 PM EDT AUG 21, 2026
Clear 70°F
Feels Like:	70°F
Dewpoint:	61°F
Rel. Hum.:	73%
Visibility:	10 miles
Wind:	NE at 5 mph
Pressure:	30.07 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

18003 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	LEHIGH VALLEY, PA 18003 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. Lows in the lower 60s. East winds around 5 mph.

SATURDAY
Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Humid with highs in the upper 70s. East winds around 5 mph. Chance of rain 30 percent.

SATURDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the lower 60s. East winds around 5 mph. Chance of rain 70 percent.

SUNDAY
Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. Humid with highs around 80. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

SUNDAY NIGHT
Mostly clear. Lows in the upper 50s. West winds 5 to 10 mph.

MONDAY
Sunny. Highs in the upper 70s.

MONDAY NIGHT
Mostly clear. Lows in the mid 50s.

TUESDAY
Sunny. Highs in the upper 70s.

TUESDAY NIGHT
Mostly clear. Lows in the upper 50s.

WEDNESDAY
Mostly sunny. Highs in the lower 80s.

WEDNESDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.

THURSDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.

THURSDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 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 AM PDT 8/21/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
21 AUG 2026

2 PM

78°

79°

Partly Cloudy

1%

0% Thunder
( 1% severe)

ENE 5

52%

59°

High 79°

5 PM

78°

79°

Partly Cloudy

ENE 5

54%

60°

Partly Cloudy

8 PM

72°

72°

Partly Cloudy

3%

0% Thunder
( 3% severe)

E 3

64%

59°

11 PM

66°

66°

Partly Cloudy

CALM

84%

61°

Saturday
22 AUG 2026

2 AM

64°

66°

Mostly Cloudy

4%

0% Thunder
( 1% severe)

NE 2

93%

62°

Low 60°

5 AM

63°

64°

Mostly Cloudy

ENE 3

100%

63°

High 77°

8 AM

66°

66°

Mostly Cloudy

23%
RAIN
.01–.1 in

0% Thunder
( 6% severe)

ENE 3

90%

63°

Mostly Cloudy

Rain Likely

11 AM

72°

72°

Mostly Cloudy

E 6

76%

64°

2 PM

75°

75°

Partly Cloudy

58%
RAIN
***

0% Thunder
( 10% severe)

ESE 7

66%

63°

5 PM

73°

73°

Mostly Cloudy

ESE 9

73%

64°

8 PM

70°

70°

Mostly Cloudy

48%
RAIN
***

0% Thunder
( 15% severe)

ESE 7

78%

63°

11 PM

67°

67°

Partly Cloudy

ESE 6

93%

65°

Sunday
23 AUG 2026

2 AM

66°

66°

Mostly Cloudy

8%

0% Thunder
( 19% severe)

ESE 3

100%

66°

Low 63°

5 AM

66°

66°

Mostly Cloudy

E 1

100%

66°

High 81°

8 AM

68°

68°

Mostly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 14% severe)

SE 2

93%

66°

Mostly Cloudy

Chance of Rain

11 AM

74°

74°

Mostly Cloudy

WSW 7

76%

66°

2 PM

79°

81°

Partly Cloudy

21%
RAIN
<.01 in

0% Thunder
( 21% severe)

WSW 9

62%

65°

5 PM

77°

79°

Partly Cloudy

W 12

62%

63°

8 PM

71°

71°

Clear

W 9

66%

59°


ALLENTOWN, PA extended weather forecast
Monday 24 AUG 2026	Tuesday 25 AUG 2026	Wednesday 26 AUG 2026	Thursday 27 AUG 2026	Friday 28 AUG 2026
Low 58°	Low 55°	Low 59°	Low 66°	Low 66°
High 79°	High 82°	High 83°	High 80°	High 83°

Partly Cloudy 15% Rain	Partly Cloudy 9% Rain	Partly Cloudy 34% Rain	Overcast 61% Rain	Mostly Cloudy 49% Rain

WEATHER SELECT BOX EXAMPLES:

for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:

Lehigh Valley, PA
Lehigh Valley, PA snow
Lehigh Valley, PA radar
PA map

-or-
-or-
-or-

18003
18003 snow
18003 radar

-or-
-or-

PA
PA snow

Copyright © 2026 WeatherStreet.com

Put our free WeatherStreet weather lookup on your web page.

Terms & Conditions
This is not clickable - please e-mail us separately

This is not clickable - please e-mail us separately