ALLENTOWN, PA 18104 Weather Forecast & Current Conditions

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18104 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLENTOWN, PA Current Weather
3:51 AM EDT MAY 21, 2025
Overcast 55°F
Feels Like:	53°F
Dewpoint:	46°F
Rel. Hum.:	72%
Visibility:	10 miles
Wind:	E at 7 mph
Pressure:	29.96 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 2024 Hurricanes	ALLENTOWN, PA 18104 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Periods of rain. Cooler. Near steady temperature in the lower 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

TONIGHT
Periods of rain. Near steady temperature around 50. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

THURSDAY
Periods of rain in the morning, then showers in the afternoon. Highs in the mid 50s. East winds 5 to 10 mph. Chance of rain near 100 percent.

THURSDAY NIGHT
Showers, mainly in the evening. Lows in the mid 40s. Northeast winds 5 to 10 mph, becoming west after midnight. Chance of rain near 100 percent.

FRIDAY
Mostly cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the upper 50s. West winds 5 to 10 mph. Chance of rain 40 percent.

FRIDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 40 percent.

SATURDAY
Mostly sunny. Highs in the lower 60s.

SATURDAY NIGHT
Mostly clear. Lows in the mid 40s.

SUNDAY
Mostly sunny. Highs in the upper 60s.

SUNDAY NIGHT
Partly cloudy. Lows in the upper 40s.

MEMORIAL DAY
Partly sunny in the morning, then becoming mostly cloudy. A 40 percent chance of showers. Highs in the upper 60s.

MONDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 50s.

TUESDAY
Partly sunny with a 50 percent chance of showers. Highs in the upper 60s.

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 5/20/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
21 MAY 2025

2 AM

53°

52°

Mostly Cloudy

51%
RAIN
.1–.25 in

0% Thunder
( 2% severe)

E 5

71%

44°

Low 51°

5 AM

52°

50°

Mostly Cloudy

E 7

77%

45°

High 56°

8 AM

53°

50°

Mostly Cloudy

96%
RAIN
***

0% Thunder
( 9% severe)

ESE 9

80%

47°

Mostly Cloudy

Rain

11 AM

54°

51°

Mostly Cloudy

ESE 12

80%

48°

2 PM

54°

50°

Mostly Cloudy

90%
RAIN
1–2 in

0% Thunder
( 8% severe)

ESE 13

80%

48°

5 PM

53°

49°

Mostly Cloudy

E 14

80%

47°

8 PM

52°

48°

Overcast

95%
RAIN
***

0% Thunder
( 11% severe)

E 13

77%

45°

11 PM

51°

47°

Overcast

E 12

80%

45°

Thursday
22 MAY 2025

2 AM

50°

46°

Overcast

87%
RAIN
***

0% Thunder
( 7% severe)

E 9

86%

46°

Low 47°

5 AM

50°

46°

Overcast

ENE 10

89%

47°

High 56°

8 AM

51°

48°

Mostly Cloudy

79%
RAIN
***

0% Thunder
( 4% severe)

ENE 9

86%

47°

Mostly Cloudy

Rain Likely

11 AM

52°

49°

Mostly Cloudy

ENE 9

80%

46°

2 PM

54°

52°

Mostly Cloudy

76%
RAIN
***

0% Thunder
( 5% severe)

ENE 8

74%

46°

5 PM

54°

51°

Mostly Cloudy

ENE 9

74%

46°

8 PM

53°

51°

Mostly Cloudy

39%
RAIN
.25–.5 in

0% Thunder
( 2% severe)

NE 7

71%

44°

11 PM

50°

48°

Mostly Cloudy

NNE 5

80%

44°


ALLENTOWN, PA extended weather forecast
Friday 23 MAY 2025	Saturday 24 MAY 2025	Sunday 25 MAY 2025	Monday 26 MAY 2025	Tuesday 27 MAY 2025
Low 46°	Low 46°	Low 45°	Low 47°	Low 53°
High 59°	High 61°	High 68°	High 70°	High 72°

Overcast 72% Rain	Overcast 45% Rain	Mostly Cloudy 27% Rain	Mostly Cloudy 29% Rain	Overcast 65% Rain

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