BETHLEHEM, PA 18018 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

2:51 PM EDT SEP 1, 2025
Scattered Clouds
77°F
Feels Like: 78°F
Dewpoint: 52°F
Rel. Hum.: 42%
Visibility: 10 miles
Wind: E at 9 mph, gusts to 20
Pressure: 30.23 inches
Last 72 hours

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BETHLEHEM, PA 18018
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.
TONIGHT
Mostly clear. Lows in the lower 50s. East winds 5 to 10 mph in the evening, becoming light and variable.
TUESDAY
Sunny. Highs in the upper 70s. North winds around 5 mph, becoming east in the afternoon.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s. South winds around 5 mph in the evening, becoming light and variable.
WEDNESDAY
Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming southwest around 5 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 50s.
THURSDAY
Mostly sunny. A chance of showers in the afternoon. Highs around 80. Chance of rain 30 percent.
THURSDAY NIGHT
Showers likely. Lows in the lower 60s. Chance of rain 70 percent.
FRIDAY
Partly sunny. Showers likely, mainly in the morning. Highs in the mid 70s. Chance of rain 70 percent.
FRIDAY NIGHT
A chance of showers in the evening. Partly cloudy. Lows in the upper 50s. Chance of rain 40 percent.
SATURDAY
Mostly sunny. Highs in the upper 70s.
SATURDAY NIGHT
Partly cloudy. Lows in the lower 50s.
SUNDAY
Sunny. Highs in the lower 70s.

Visible Weather Satellite
BETHLEHEM, PA 18018
Infrared Weather Satellite
BETHLEHEM, PA 18018
NEXRAD Weather Radar
BETHLEHEM, PA 18018

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  9/ 1/2025
Monday
1 SEP 2025
BETHLEHEM, PA 18018 weather forecast Day 1, 12 hours 2 PM 77° 78° Partly Cloudy 1%

0% Thunder
( 2% severe)
ENE   9 37% 49°
High 78° BETHLEHEM, PA 18018 weather forecast Day 1, 15 hours 5 PM 76° 78° Partly Cloudy E   9 39% 49°
Partly Cloudy



BETHLEHEM, PA 18018 weather forecast Day 1, 18 hours 8 PM 69° 69° Partly Cloudy 1%

0% Thunder
( 1% severe)
E   7 51% 50°
BETHLEHEM, PA 18018 weather forecast Day 1, 21 hours 11 PM 62° 63° Partly Cloudy ENE   2 70% 52°
Tuesday
2 SEP 2025
BETHLEHEM, PA 18018 weather forecast Day 2, 0 hours 2 AM 57° 58° Clear 0%

0% Thunder
( 0% severe)
NNE   2 86% 53°
Low 52° BETHLEHEM, PA 18018 weather forecast Day 2, 3 hours 5 AM 54° 54° Clear N   2 93% 52°
High 78° BETHLEHEM, PA 18018 weather forecast Day 2, 6 hours 8 AM 57° 58° Clear 0%

0% Thunder
( 1% severe)
NE   2 90% 54°

Partly Cloudy



BETHLEHEM, PA 18018 weather forecast Day 2, 9 hours 11 AM 70° 70° Clear ENE   3 57% 54°
BETHLEHEM, PA 18018 weather forecast Day 2, 12 hours 2 PM 75° 75° Partly Cloudy 0%

0% Thunder
( 2% severe)
E   5 41% 50°
BETHLEHEM, PA 18018 weather forecast Day 2, 15 hours 5 PM 76° 78° Partly Cloudy ESE   3 39% 49°
BETHLEHEM, PA 18018 weather forecast Day 2, 18 hours 8 PM 69° 69° Partly Cloudy 0%

0% Thunder
( 1% severe)
SE   2 49% 49°
BETHLEHEM, PA 18018 weather forecast Day 2, 21 hours 11 PM 62° 63° Partly Cloudy ESE   1 70% 52°
Wednesday
3 SEP 2025
BETHLEHEM, PA 18018 weather forecast Day 3, 0 hours 2 AM 57° 58° Clear 0%

0% Thunder
( 0% severe)
NNE   1 86% 53°
Low 53° BETHLEHEM, PA 18018 weather forecast Day 3, 3 hours 5 AM 55° 55° Partly Cloudy   CALM 93% 53°
High 79° BETHLEHEM, PA 18018 weather forecast Day 3, 6 hours 8 AM 58° 59° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 83% 53°

Partly Cloudy



BETHLEHEM, PA 18018 weather forecast Day 3, 9 hours 11 AM 71° 71° Partly Cloudy SSW   2 55% 54°
BETHLEHEM, PA 18018 weather forecast Day 3, 15 hours 2 PM 77° 78° Partly Cloudy 1%

0% Thunder
( 2% severe)
SSW   5 39% 50°
BETHLEHEM, PA 18018 weather forecast Day 3, 18 hours 5 PM 77° 78° Partly Cloudy SSW   6 39% 50°
BETHLEHEM, PA 18018 weather forecast Day 3, 21 hours 8 PM 70° 70° Partly Cloudy     S   3 51% 51°

ALLENTOWN, PA extended weather forecast

Thursday
4 SEP 2025
Friday
5 SEP 2025
Saturday
6 SEP 2025
Sunday
7 SEP 2025
Monday
8 SEP 2025
Low 59° Low 62° Low 56° Low 54° Low 52°
High 81° High 78° High 81° High 75° High 72°
BETHLEHEM, PA 18018 weather forecast Day 4 BETHLEHEM, PA 18018 weather forecast Day 5 BETHLEHEM, PA 18018 weather forecast Day 6 BETHLEHEM, PA 18018 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
30% Rain
Mostly Cloudy
72% Rain
Partly Cloudy
34% Rain
Partly Cloudy
28% Rain
Partly Cloudy
22% Rain
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