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
1:51 AM EDT APR 4, 2026
Few Clouds 54°F
Feels Like:	53°F
Dewpoint:	52°F
Rel. Hum.:	93%
Visibility:	8 miles
Wind:	SSW at 5 mph
Pressure:	30.13 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Weather Map

(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

TONIGHT
Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly cloudy after midnight. Patchy fog after midnight. Not as cool with lows in the mid 50s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.

SATURDAY
Patchy fog in the morning. Partly sunny in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. North winds around 5 mph, becoming southeast 10 to 15 mph in the afternoon. Chance of rain 60 percent.

SATURDAY NIGHT
Showers likely. Lows around 50. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

SUNDAY
Showers. Highs in the mid 60s. Temperature falling into the upper 50s in the afternoon. South winds 10 to 15 mph, becoming west in the afternoon. Chance of rain near 100 percent.

SUNDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Cooler with lows in the upper 30s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

MONDAY
Mostly sunny. Cooler with highs in the mid 50s.

MONDAY NIGHT
Partly cloudy. Lows in the mid 30s.

TUESDAY
Mostly sunny. Highs in the upper 40s.

TUESDAY NIGHT
Clear, colder with lows in the mid 20s.

WEDNESDAY
Sunny. Highs in the lower 50s.

WEDNESDAY NIGHT
Mostly clear. Lows in the lower 30s.

THURSDAY
Sunny. Not as cool with highs in the lower 60s.

THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s.

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 4:00 PM PST 4/ 3/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
4 APR 2026

1 AM

57°

57°

Partly Cloudy

3%

0% Thunder
( 1% severe)

W 5

86%

53°

Low 54°

4 AM

55°

55°

Partly Cloudy

W 3

93%

53°

High 74°

7 AM

57°

58°

Partly Cloudy

9%

0% Thunder
( 8% severe)

N 2

86%

53°

Mostly Cloudy

Rain Likely

10 AM

66°

66°

Partly Cloudy

E 3

65%

54°

1 PM

71°

71°

Mostly Cloudy

56%
RAIN
.1–.25 in

0% Thunder
( 13% severe)

ESE 7

55%

54°

4 PM

69°

69°

Mostly Cloudy

ESE 12

59%

54°

7 PM

59°

56°

Mostly Cloudy

32%
RAIN
.25–.5 in

0% Thunder
( 9% severe)

E 14

64%

47°

10 PM

52°

48°

Mostly Cloudy

E 12

77%

45°

Sunday
5 APR 2026

1 AM

50°

46°

Mostly Cloudy

32%
RAIN
.25–.5 in

0% Thunder
( 8% severe)

E 9

86%

46°

Low 49°

4 AM

51°

48°

Overcast

E 7

89%

48°

High 65°

7 AM

55°

52°

Mostly Cloudy

92%
RAIN
***

0% Thunder
( 8% severe)

SSE 9

86%

51°

Mostly Cloudy

Rain

10 AM

60°

58°

Mostly Cloudy

W 12

78%

53°

1 PM

60°

58°

Mostly Cloudy

42%
RAIN
.5–1 in

0% Thunder
( 1% severe)

W 13

67%

49°

4 PM

60°

58°

Mostly Cloudy

W 14

53%

43°

7 PM

54°

50°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

W 13

52%

37°

10 PM

48°

43°

Partly Cloudy

WNW 12

56%

33°


ALLENTOWN, PA extended weather forecast
Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026	Friday 10 APR 2026
Low 40°	Low 35°	Low 25°	Low 36°	Low 46°
High 58°	High 50°	High 53°	High 61°	High 66°

Partly Cloudy 32% Rain/Snow	Partly Cloudy 23% Rain/Snow	Clear 8% Rain/Snow	Mostly Cloudy 26% Rain	Overcast 29% Rain

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