ALLENTOWN, PA 18102 Weather Forecast & Current Conditions

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18102 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLENTOWN, PA Current Weather
11:51 PM EDT MAR 31, 2026
Clear 70°F
Feels Like:	70°F
Dewpoint:	54°F
Rel. Hum.:	57%
Visibility:	10 miles
Wind:	SW at 13 mph
Pressure:	29.88 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

18102 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	ALLENTOWN, PA 18102 Weather Forecast	Snowfall Forecast pages Snow Depth pages

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 with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Southwest winds 5 to 10 mph, becoming northwest in the afternoon. Gusts up to 25 mph. Chance of rain 80 percent.

WEDNESDAY NIGHT
A chance of thunderstorms in the evening. Showers. Much cooler with lows in the upper 40s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent.

THURSDAY
Cloudy with a 50 percent chance of showers. Much cooler. Near steady temperature in the upper 40s. East winds around 10 mph.

THURSDAY NIGHT
Cloudy. A chance of showers in the evening. Lows in the lower 40s. East winds 5 to 10 mph. Chance of rain 30 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Much warmer with highs in the lower 70s.

FRIDAY NIGHT
Mostly cloudy. Not as cool with lows in the upper 50s.

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

SATURDAY NIGHT
Mostly cloudy. A chance of rain in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 50 percent.

SUNDAY
Showers likely. Not as warm with highs in the upper 60s. Chance of rain 70 percent.

SUNDAY NIGHT
Mostly cloudy. Showers likely, mainly in the evening. Much cooler with lows in the upper 30s. Chance of rain 70 percent.

MONDAY
Partly sunny in the morning, then clearing. Much cooler with highs in the lower 50s.

MONDAY NIGHT
Mostly clear. Lows in the mid 30s.

18102 WEATHER SATELLITE LOOPS

Visible Weather Satellite
ALLENTOWN, PA 18102

Infrared Weather Satellite
ALLENTOWN, PA 18102

18102 WEATHER RADAR LOOP

NEXRAD Weather Radar
ALLENTOWN, PA 18102

MOS COMPUTER WEATHER FORECAST

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created 4:00 AM PST 3/31/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
31 MAR 2026

1 PM

76°

78°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 11% severe)

WSW 15

45%

53°

High 78°

4 PM

77°

78°

Mostly Cloudy

SW 15

45%

54°

Partly Cloudy

Chance of Rain

7 PM

72°

72°

Partly Cloudy

20%
RAIN
<.01 in

0% Thunder
( 7% severe)

SW 10

53%

54°

10 PM

68°

68°

Partly Cloudy

SW 10

61%

54°

Wednesday
1 APR 2026

1 AM

66°

66°

Mostly Cloudy

40%
RAIN
.25–.5 in

0% Thunder
( 8% severe)

SW 12

65%

54°

Low 62°

4 AM

64°

63°

Mostly Cloudy

WSW 10

73%

55°

High 74°

7 AM

64°

64°

Mostly Cloudy

36%
RAIN
.5–1 in

0% Thunder
( 13% severe)

WSW 9

78%

57°

Mostly Cloudy

Rain Likely

10 AM

70°

70°

Mostly Cloudy

WSW 10

63%

57°

1 PM

72°

72°

Mostly Cloudy

80%
RAIN
***

0% Thunder
( 27% severe)

WNW 10

55%

55°

4 PM

70°

70°

Mostly Cloudy

NNW 10

57%

54°

7 PM

63°

63°

Mostly Cloudy

73%
RAIN
***

0% Thunder
( 11% severe)

NNE 7

67%

52°

10 PM

57°

56°

Mostly Cloudy

NE 7

77%

50°

Thursday
2 APR 2026

1 AM

54°

52°

Mostly Cloudy

37%
RAIN
.1–.25 in

0% Thunder
( 3% severe)

ENE 7

83%

49°

Low 48°

4 AM

51°

48°

Overcast

ENE 8

89%

48°

High 54°

7 AM

50°

46°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 2% severe)

E 9

83%

45°

Mostly Cloudy

10 AM

49°

45°

Mostly Cloudy

E 10

80%

43°

1 PM

51°

47°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 3% severe)

E 10

71%

42°

4 PM

52°

48°

Mostly Cloudy

E 12

69%

42°

7 PM

50°

46°

Mostly Cloudy

E 10

71%

41°


ALLENTOWN, PA extended weather forecast
Friday 3 APR 2026	Saturday 4 APR 2026	Sunday 5 APR 2026	Monday 6 APR 2026	Tuesday 7 APR 2026
Low 44°	Low 55°	Low 58°	Low 40°	Low 36°
High 77°	High 81°	High 75°	High 57°	High 56°

Overcast 51% Rain	Partly Cloudy 61% Rain	Overcast 83% Rain	Partly Cloudy 38% Rain	Partly Cloudy 24% Rain

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