ALLENTOWN, PA 18105 Weather Forecast & Current Conditions

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18105 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLENTOWN, PA Current Weather
7:51 AM EDT APR 20, 2026
Overcast 37°F
Feels Like:	33°F
Dewpoint:	36°F
Rel. Hum.:	96%
Visibility:	10 miles
Wind:	SW at 5 mph
Pressure:	30.16 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

18105 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	ALLENTOWN, PA 18105 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Patchy frost this morning. Mostly sunny. Highs in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

TONIGHT
Partly cloudy in the evening, then becoming mostly clear. Cold with lows in the upper 20s. North winds 5 to 10 mph.

TUESDAY
Sunny. Highs in the mid 50s. Northwest winds around 5 mph, becoming southwest around 5 mph in the afternoon.

TUESDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Not as cool with lows in the lower 40s. South winds around 5 mph. Chance of rain 50 percent.

WEDNESDAY
Partly sunny. A chance of showers in the morning. Warmer with highs in the mid 60s. South winds around 5 mph, becoming west around 5 mph in the afternoon. Chance of rain 50 percent.

WEDNESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 40s.

THURSDAY
Sunny. Highs around 70.

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

FRIDAY
Mostly sunny. Highs in the upper 60s.

FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of showers. Lows in the upper 40s.

SATURDAY
Mostly cloudy with a 50 percent chance of showers. Cooler with highs in the upper 50s.

SATURDAY NIGHT
Showers likely. Lows in the mid 40s. Chance of rain 60 percent.

SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the lower 60s.

18105 WEATHER SATELLITE LOOPS

Visible Weather Satellite
ALLENTOWN, PA 18105

Infrared Weather Satellite
ALLENTOWN, PA 18105

18105 WEATHER RADAR LOOP

NEXRAD Weather Radar
ALLENTOWN, PA 18105

MOS COMPUTER WEATHER FORECAST

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created 5:00 PM PDT 4/19/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
20 APR 2026

2 AM

38°

36°

Clear

14%
RAIN
<.01 in

0% Thunder
( 0% severe)

WSW 2

70%

29°

Low 36°

5 AM

37°

34°

Partly Cloudy

W 3

72%

29°

High 51°

8 AM

40°

35°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 2% severe)

NW 7

70%

31°

Mostly Cloudy

11 AM

45°

40°

Mostly Cloudy

NNW 10

47%

26°

2 PM

48°

43°

Partly Cloudy

3%

0% Thunder
( 0% severe)

NW 13

33%

21°

5 PM

48°

42°

Partly Cloudy

NW 14

29%

18°

8 PM

43°

38°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NNW 9

35%

18°

11 PM

37°

32°

Clear

N 7

46%

19°

Tuesday
21 APR 2026

2 AM

33°

29°

Clear

0%

0% Thunder
( 0% severe)

NNW 5

51%

18°

Low 28°

5 AM

30°

26°

Clear

NW 3

55%

17°

High 54°

8 AM

35°

32°

Clear

0%

0% Thunder
( 0% severe)

NNW 3

45%

17°

Partly Cloudy

11 AM

44°

43°

Clear

SW 2

30%

16°

2 PM

51°

49°

Partly Cloudy

1%

0% Thunder
( 1% severe)

SW 6

27%

19°

5 PM

54°

52°

Partly Cloudy

SW 8

27%

21°

8 PM

50°

48°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 6% severe)

S 6

37%

25°

11 PM

46°

43°

Mostly Cloudy

S 6

47%

27°


ALLENTOWN, PA extended weather forecast
Wednesday 22 APR 2026	Thursday 23 APR 2026	Friday 24 APR 2026	Saturday 25 APR 2026	Sunday 26 APR 2026
Low 44°	Low 46°	Low 46°	Low 44°	Low 46°
High 63°	High 72°	High 65°	High 60°	High 62°

Overcast 48% Rain	Clear 5% Rain	Partly Cloudy 19% Rain	Overcast 65% Rain	Overcast 37% Rain

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