BETHLEHEM, PA 18018 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

2:51 AM EDT APR 29, 2025
Clear
46°F
Feels Like: 46°F
Dewpoint: 37°F
Rel. Hum.: 71%
Visibility: 10 miles
Wind: Calm
Pressure: 30.22 inches
Last 72 hours

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BETHLEHEM, PA 18018
Weather Forecast

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REST OF TONIGHT
Mostly clear. Lows in the upper 40s. Southwest winds around 5 mph.
TUESDAY
Sunny. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
TUESDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Not as cool with lows in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
WEDNESDAY
Mostly sunny. Highs in the mid 70s. Northwest winds around 10 mph with gusts up to 20 mph.
WEDNESDAY NIGHT
Partly cloudy. Cooler with lows in the mid 40s. North winds 5 to 10 mph.
THURSDAY
Partly sunny. Highs in the mid 70s.
THURSDAY NIGHT
Mostly cloudy with a chance of showers. Not as cool with lows in the upper 50s. Chance of rain 50 percent.
FRIDAY
Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.
FRIDAY NIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 50s. Chance of rain 70 percent.
SATURDAY
Partly sunny with a chance of showers. Not as warm with highs in the mid 60s. Chance of rain 30 percent.
SATURDAY NIGHT
Partly cloudy. A chance of showers in the evening. Cooler with lows in the lower 40s. Chance of rain 30 percent.
SUNDAY
Sunny. Highs in the upper 60s.
SUNDAY NIGHT
Mostly clear. Lows in the upper 40s.

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 PM PDT  4/28/2025
Tuesday
29 APR 2025
BETHLEHEM, PA 18018 weather forecast Day 1, 0 hours 2 AM 51° 50° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   3 50% 33°
Low 48° BETHLEHEM, PA 18018 weather forecast Day 1, 3 hours 5 AM 49° 47° Clear W   5 56% 34°
High 81° BETHLEHEM, PA 18018 weather forecast Day 1, 6 hours 8 AM 55° 53° Clear 0%

0% Thunder
( 0% severe)
SSW   7 53% 38°

Partly Cloudy



BETHLEHEM, PA 18018 weather forecast Day 1, 9 hours 11 AM 69° 69° Partly Cloudy SSW   10 39% 43°
BETHLEHEM, PA 18018 weather forecast Day 1, 12 hours 2 PM 78° 78° Partly Cloudy 3%

0% Thunder
( 3% severe)
SW   14 34% 47°
BETHLEHEM, PA 18018 weather forecast Day 1, 15 hours 5 PM 79° 79° Partly Cloudy SSW   15 36% 50°
BETHLEHEM, PA 18018 weather forecast Day 1, 18 hours 8 PM 74° 74° Partly Cloudy 19%
RAIN
<.01 in
0% Thunder
( 11% severe)
SSW   13 43% 50°
BETHLEHEM, PA 18018 weather forecast Day 1, 21 hours 11 PM 68° 68° Mostly Cloudy SW   12 57% 52°
Wednesday
30 APR 2025
BETHLEHEM, PA 18018 weather forecast Day 2, 0 hours 2 AM 65° 65° Mostly Cloudy 7%

0% Thunder
( 2% severe)
WSW   10 70% 55°
Low 57° BETHLEHEM, PA 18018 weather forecast Day 2, 3 hours 5 AM 63° 62° Mostly Cloudy W   9 72% 54°
High 71° BETHLEHEM, PA 18018 weather forecast Day 2, 6 hours 8 AM 60° 58° Partly Cloudy 1%

0% Thunder
( 0% severe)
NW   10 67% 49°

Partly Cloudy



BETHLEHEM, PA 18018 weather forecast Day 2, 9 hours 11 AM 64° 63° Partly Cloudy NNW   10 45% 42°
BETHLEHEM, PA 18018 weather forecast Day 2, 12 hours 2 PM 69° 69° Partly Cloudy 1%

0% Thunder
( 0% severe)
NW   10 32% 38°
BETHLEHEM, PA 18018 weather forecast Day 2, 15 hours 5 PM 70° 70° Partly Cloudy NNW   9 28% 35°
BETHLEHEM, PA 18018 weather forecast Day 2, 18 hours 8 PM 62° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   6 35% 34°
BETHLEHEM, PA 18018 weather forecast Day 2, 21 hours 11 PM 54° 53° Partly Cloudy NNE   5 43% 32°

ALLENTOWN, PA extended weather forecast

Thursday
1 MAY 2025
Friday
2 MAY 2025
Saturday
3 MAY 2025
Sunday
4 MAY 2025
Monday
5 MAY 2025
Low 42° Low 57° Low 57° Low 44° Low 45°
High 72° High 79° High 66° High 67° High 73°
BETHLEHEM, PA 18018 weather forecast Day 3 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
Mostly Cloudy
15% Rain
Overcast
76% Rain
Overcast
81% Rain
Partly Cloudy
31% Rain
Clear
16% Rain
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