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
2:51 PM EDT MAY 23, 2026
Overcast Light Rain 48°F
Feels Like:	42°F
Dewpoint:	45°F
Rel. Hum.:	89%
Visibility:	9 miles
Wind:	E at 15 mph, gusts to 23
Pressure:	30.44 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 2025 Hurricanes	LEHIGH VALLEY, PA 18003 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Rain. Much cooler. Near steady temperature in the upper 40s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

TONIGHT
Rain. A slight chance of thunderstorms after midnight. Near steady temperature in the upper 40s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

SUNDAY
Rain in the morning, then a chance of showers in the afternoon. Not as cool with highs in the lower 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

SUNDAY NIGHT
Cloudy with a chance of showers. Lows in the lower 50s. Northeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 50 percent.

MEMORIAL DAY
Mostly cloudy with a chance of showers. Warmer with highs in the mid 70s. Light and variable winds, becoming west around 5 mph in the afternoon. Chance of rain 50 percent.

MONDAY NIGHT
Mostly cloudy. Lows in the upper 50s.

TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 70s.

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

WEDNESDAY
Partly sunny. Highs in the lower 80s.

WEDNESDAY NIGHT
Mostly cloudy. Lows around 60.

THURSDAY
Partly sunny. Highs in the upper 70s.

THURSDAY NIGHT
Partly cloudy. Lows in the mid 50s.

FRIDAY
Mostly sunny. Highs in the lower 70s.

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 5/23/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
23 MAY 2026

2 PM

50°

45°

Mostly Cloudy

100%
RAIN
***

0% Thunder
( 3% severe)

E 14

83%

45°

High 52°

5 PM

50°

45°

Mostly Cloudy

E 15

83%

45°

Mostly Cloudy

Rain

8 PM

51°

46°

Mostly Cloudy

99%
RAIN
***

0% Thunder
( 7% severe)

E 14

77%

44°

11 PM

51°

46°

Overcast

E 13

86%

47°

Sunday
24 MAY 2026

2 AM

51°

46°

Mostly Cloudy

100%
RAIN
***

0% Thunder
( 17% severe)

E 13

89%

48°

Low 46°

5 AM

51°

46°

Mostly Cloudy

E 14

93%

49°

High 63°

8 AM

52°

48°

Mostly Cloudy

97%
RAIN
***

0% Thunder
( 15% severe)

E 13

96%

51°

Mostly Cloudy

Rain

11 AM

56°

53°

Mostly Cloudy

E 12

90%

53°

2 PM

59°

57°

Mostly Cloudy

47%
RAIN
***

0% Thunder
( 14% severe)

ENE 10

87%

55°

5 PM

62°

61°

Mostly Cloudy

ENE 9

84%

57°

8 PM

62°

62°

Mostly Cloudy

35%
RAIN
.25–.5 in

0% Thunder
( 7% severe)

ENE 7

78%

55°

11 PM

60°

60°

Mostly Cloudy

NE 5

90%

57°

Monday
25 MAY 2026

2 AM

59°

60°

Mostly Cloudy

29%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

NNE 3

93%

57°

Low 54°

5 AM

57°

58°

Mostly Cloudy

CALM

100%

57°

High 78°

8 AM

60°

61°

Mostly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 5% severe)

CALM

96%

59°

Mostly Cloudy

11 AM

69°

69°

Mostly Cloudy

CALM

78%

62°

2 PM

75°

75°

Mostly Cloudy

7%

0% Thunder
( 7% severe)

W 3

66%

63°

5 PM

78°

80°

Mostly Cloudy

W 6

60%

63°

8 PM

74°

74°

Mostly Cloudy

CALM

66%

62°


ALLENTOWN, PA extended weather forecast
Tuesday 26 MAY 2026	Wednesday 27 MAY 2026	Thursday 28 MAY 2026	Friday 29 MAY 2026	Saturday 30 MAY 2026
Low 58°	Low 61°	Low 64°	Low 61°	Low 62°
High 83°	High 89°	High 81°	High 83°	High 78°

Mostly Cloudy 20% Rain	Partly Cloudy 18% Rain	Mostly Cloudy 47% Rain	Mostly Cloudy 32% Rain	Overcast 51% Rain

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