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
9:51 AM EDT MAR 31, 2026
Clear 68°F
Feels Like:	68°F
Dewpoint:	52°F
Rel. Hum.:	57%
Visibility:	10 miles
Wind:	SW at 13 mph
Pressure:	30.01 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

TODAY
Partly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.

TONIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

WEDNESDAY
Mostly cloudy. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent.

WEDNESDAY NIGHT
Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Cooler with lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 80 percent.

THURSDAY
Cloudy with a 40 percent chance of showers. Much cooler. Near steady temperature around 50. East winds 5 to 10 mph.

THURSDAY NIGHT
Cloudy with a 30 percent chance of showers. Lows in the mid 40s.

FRIDAY
Mostly cloudy. Much warmer with highs around 70.

FRIDAY NIGHT
Mostly cloudy with a chance of showers. Not as cool with lows in the mid 50s. Chance of rain 30 percent.

SATURDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.

SATURDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 40 percent.

SUNDAY
Partly sunny with a 50 percent chance of showers. Highs in the lower 70s.

SUNDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Cooler with lows in the lower 40s.

MONDAY
Partly sunny with a 40 percent chance of showers. Much cooler with highs in the lower 50s.

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 3/30/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
31 MAR 2026

1 AM

58°

56°

Mostly Cloudy

42%
RAIN
.01–.1 in

0% Thunder
( 15% severe)

SW 8

75%

50°

Low 56°

4 AM

57°

55°

Mostly Cloudy

SW 9

80%

51°

High 77°

7 AM

59°

57°

Partly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 8% severe)

SW 10

78%

52°

Mostly Cloudy

10 AM

69°

69°

Partly Cloudy

WSW 13

57%

53°

1 PM

74°

74°

Mostly Cloudy

16%
RAIN
***

0% Thunder
( 27% severe)

WSW 15

50%

54°

4 PM

76°

78°

Mostly Cloudy

SW 14

48%

55°

7 PM

71°

71°

Mostly Cloudy

18%
RAIN
.5–1 in

0% Thunder
( 15% severe)

SW 10

57%

55°

10 PM

67°

67°

Mostly Cloudy

SW 10

65%

55°

Wednesday
1 APR 2026

1 AM

64°

63°

Mostly Cloudy

29%
RAIN
<.01 in

0% Thunder
( 11% severe)

SW 10

75%

56°

Low 61°

4 AM

63°

62°

Mostly Cloudy

SW 10

78%

56°

High 76°

7 AM

64°

64°

Mostly Cloudy

32%
RAIN
.01–.1 in

0% Thunder
( 13% severe)

WSW 9

78%

57°

Mostly Cloudy

Rain Likely

10 AM

70°

70°

Mostly Cloudy

WSW 12

63%

57°

1 PM

74°

74°

Mostly Cloudy

69%
RAIN
***

0% Thunder
( 26% severe)

W 12

53%

56°

4 PM

73°

73°

Mostly Cloudy

WNW 12

53%

55°

7 PM

65°

65°

Mostly Cloudy

65%
RAIN
***

0% Thunder
( 21% severe)

NNE 8

68%

54°

10 PM

60°

59°

Mostly Cloudy

NE 7

75%

52°


ALLENTOWN, PA extended weather forecast
Thursday 2 APR 2026	Friday 3 APR 2026	Saturday 4 APR 2026	Sunday 5 APR 2026	Monday 6 APR 2026
Low 50°	Low 44°	Low 55°	Low 58°	Low 40°
High 57°	High 77°	High 81°	High 75°	High 57°

Overcast 88% Rain	Overcast 51% Rain	Partly Cloudy 61% Rain	Overcast 83% Rain	Partly Cloudy 38% Rain

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