ALLENTOWN, PA 18109 Weather Forecast & Current Conditions

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18109 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLENTOWN, PA Current Weather
3:51 AM EDT JUN 19, 2025
Clear 68°F
Feels Like:	68°F
Dewpoint:	68°F
Rel. Hum.:	100%
Visibility:	10 miles
Wind:	Calm
Pressure:	29.86 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

18109 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	ALLENTOWN, PA 18109 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly cloudy. Patchy fog. Near steady temperature in the lower 70s. Southwest winds around 5 mph.

THURSDAY
Partly sunny. Patchy fog in the morning. Showers and thunderstorms likely in the afternoon. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the afternoon. Hot with highs in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 70 percent.

THURSDAY NIGHT
Mostly cloudy with scattered showers and thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the evening. Lows in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

FRIDAY
Sunny. Highs in the lower 80s. West winds 10 to 15 mph with gusts up to 25 mph.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. West winds 5 to 10 mph.

SATURDAY
Mostly sunny. Hot with highs in the mid 80s.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s.

SUNDAY
Partly sunny. Hot with highs in the upper 80s.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s.

MONDAY
Sunny, hot with highs in the mid 90s.

MONDAY NIGHT
Mostly clear. Lows in the lower 70s.

TUESDAY
Sunny, hot with highs in the mid 90s.

TUESDAY NIGHT
Mostly clear. Lows in the lower 70s.

18109 WEATHER SATELLITE LOOPS

Visible Weather Satellite
ALLENTOWN, PA 18109

Infrared Weather Satellite
ALLENTOWN, PA 18109

18109 WEATHER RADAR LOOP

NEXRAD Weather Radar
ALLENTOWN, PA 18109

MOS COMPUTER WEATHER FORECAST

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created 5:00 PM PDT 6/18/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
19 JUN 2025

2 AM

71°

71°

Partly Cloudy

2%

0% Thunder
( 2% severe)

WSW 5

93%

69°

Low 68°

5 AM

69°

69°

Partly Cloudy

SW 3

100%

69°

High 88°

8 AM

74°

74°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 12% severe)

WSW 6

90%

71°

Partly Cloudy

Rain Likely

11 AM

83°

88°

Partly Cloudy

SW 10

67%

71°

2 PM

87°

92°

Partly Cloudy

80%
RAIN
***

0% Thunder
( 56% severe)

SW 14

57%

70°

5 PM

84°

88°

Mostly Cloudy

WSW 14

61%

69°

8 PM

77°

79°

Mostly Cloudy

21%
RAIN
1–2 in

0% Thunder
( 22% severe)

SW 13

71%

67°

11 PM

72°

72°

Partly Cloudy

WSW 12

79%

65°

Friday
20 JUN 2025

2 AM

67°

67°

Partly Cloudy

2%

0% Thunder
( 1% severe)

W 12

81%

61°

Low 61°

5 AM

63°

62°

Clear

W 10

84%

58°

High 83°

8 AM

67°

67°

Clear

1%

0% Thunder
( 4% severe)

WNW 10

75%

59°

Clear

11 AM

75°

75°

Clear

WNW 10

58%

59°

2 PM

80°

81°

Partly Cloudy

4%

0% Thunder
( 24% severe)

W 12

49%

59°

5 PM

81°

82°

Clear

W 10

49%

60°

8 PM

77°

79°

Partly Cloudy

1%

0% Thunder
( 9% severe)

WSW 6

58%

61°

11 PM

71°

71°

Partly Cloudy

W 3

71%

61°


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 62°	Low 62°	Low 67°	Low 72°	Low 70°
High 85°	High 89°	High 92°	High 92°	High 92°

Mostly Cloudy 39% Rain	Partly Cloudy 5% Rain	Partly Cloudy 44% Rain	Partly Cloudy 23% Rain	Partly Cloudy 30% Rain

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