ALLENTOWN, PA 18104 Weather Forecast & Current Conditions

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18104 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLENTOWN, PA Current Weather
12:51 AM EDT APR 5, 2026
Overcast Mist 43°F
Feels Like:	38°F
Dewpoint:	41°F
Rel. Hum.:	93%
Visibility:	6 miles
Wind:	E at 9 mph, gusts to 22
Pressure:	30.10 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

18104 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	ALLENTOWN, PA 18104 Weather Forecast	Snowfall Forecast pages Snow Depth pages

OVERNIGHT
Cloudy with a 50 percent chance of showers. Lows in the mid 40s. East winds around 15 mph, diminishing to 5 to 10 mph.

SUNDAY
Showers. Much cooler with highs in the lower 60s. Temperature falling into the upper 50s in the afternoon. South winds 5 to 10 mph, becoming west 10 to 15 mph in the afternoon. Chance of rain near 100 percent.

SUNDAY NIGHT
Partly cloudy. Lows in the upper 30s. Northwest winds 10 to 15 mph.

MONDAY
Mostly sunny. Cooler with highs in the lower 50s. West winds 10 to 15 mph.

MONDAY NIGHT
Partly cloudy. Lows in the mid 30s. West winds 5 to 10 mph.

TUESDAY
Mostly sunny. Highs in the mid 40s.

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

WEDNESDAY
Sunny. Highs in the lower 50s.

WEDNESDAY NIGHT
Mostly clear. Cold with lows in the lower 30s.

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

THURSDAY NIGHT
Partly cloudy. Not as cool with lows in the lower 40s.

FRIDAY
Mostly sunny. Highs in the mid 60s.

FRIDAY NIGHT
Partly cloudy. Lows in the mid 40s.

18104 WEATHER SATELLITE LOOPS

Visible Weather Satellite
ALLENTOWN, PA 18104

Infrared Weather Satellite
ALLENTOWN, PA 18104

18104 WEATHER RADAR LOOP

NEXRAD Weather Radar
ALLENTOWN, PA 18104

MOS COMPUTER WEATHER FORECAST

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created 5:00 PM PDT 4/ 4/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
5 APR 2026

2 AM

48°

44°

Mostly Cloudy

25%
RAIN
<.01 in

0% Thunder
( 7% severe)

E 9

86%

44°

Low 47°

5 AM

49°

46°

Mostly Cloudy

E 7

89%

46°

High 63°

8 AM

53°

50°

Mostly Cloudy

92%
RAIN
***

0% Thunder
( 11% severe)

SE 8

90%

50°

Mostly Cloudy

Rain

11 AM

58°

56°

Mostly Cloudy

W 12

83%

53°

2 PM

59°

57°

Mostly Cloudy

40%
RAIN
.25–.5 in

0% Thunder
( 2% severe)

W 12

72%

50°

5 PM

58°

55°

Mostly Cloudy

W 14

57%

43°

8 PM

52°

48°

Partly Cloudy

1%

0% Thunder
( 1% severe)

W 12

56%

37°

11 PM

47°

42°

Partly Cloudy

WNW 12

56%

32°

Monday
6 APR 2026

2 AM

41°

35°

Partly Cloudy

1%

0% Thunder
( 0% severe)

W 10

62%

29°

Low 37°

5 AM

38°

31°

Partly Cloudy

W 10

67%

28°

High 55°

8 AM

40°

33°

Clear

1%

0% Thunder
( 1% severe)

W 10

59%

27°

Partly Cloudy

11 AM

47°

42°

Partly Cloudy

WNW 12

43%

26°

2 PM

52°

47°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 3% severe)

W 14

36%

26°

5 PM

53°

49°

Partly Cloudy

W 13

36%

27°

8 PM

48°

45°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 2% severe)

W 7

49%

30°

11 PM

44°

41°

Partly Cloudy

W 6

60%

31°


ALLENTOWN, PA extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
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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