BETHLEHEM, PA 18020 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

10:51 PM EDT JUN 20, 2025
Clear
70°F
Feels Like: 70°F
Dewpoint: 61°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: W at 3 mph
Pressure: 30.03 inches
Last 72 hours

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BETHLEHEM, PA 18020
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy. Isolated showers and thunderstorms this evening. Lows in the mid 60s. West winds 5 to 10 mph. Chance of rain 20 percent.
SATURDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 20 percent.
SATURDAY NIGHT
Partly cloudy. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph.
SUNDAY
Mostly sunny. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph.
SUNDAY NIGHT
Mostly clear. Humid with lows in the lower 70s. West winds 5 to 10 mph.
MONDAY
Sunny, hot with highs in the upper 90s. Heat index values up to 110.
MONDAY NIGHT
Mostly clear. Lows in the mid 70s.
TUESDAY
Sunny, hot with highs in the upper 90s.
TUESDAY NIGHT
Mostly clear. Lows in the lower 70s.
WEDNESDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of rain 30 percent.
WEDNESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 30 percent.
THURSDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 40 percent.
THURSDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40 percent.

Visible Weather Satellite
BETHLEHEM, PA 18020
Infrared Weather Satellite
BETHLEHEM, PA 18020
NEXRAD Weather Radar
BETHLEHEM, PA 18020

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  6/20/2025
Friday
20 JUN 2025
BETHLEHEM, PA 18020 weather forecast Day 1, 12 hours 2 PM 79° 80° Partly Cloudy 4%

0% Thunder
( 17% severe)
W   13 52% 60°
High 82° BETHLEHEM, PA 18020 weather forecast Day 1, 15 hours 5 PM 81° 82° Partly Cloudy W   12 49% 60°
Partly Cloudy



BETHLEHEM, PA 18020 weather forecast Day 1, 18 hours 8 PM 77° 79° Partly Cloudy 7%

0% Thunder
( 5% severe)
WSW   7 58% 61°
BETHLEHEM, PA 18020 weather forecast Day 1, 21 hours 11 PM 70° 70° Partly Cloudy WSW   3 73% 61°
Saturday
21 JUN 2025
BETHLEHEM, PA 18020 weather forecast Day 2, 0 hours 2 AM 67° 67° Mostly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 5% severe)
WSW   3 84% 62°
Low 64° BETHLEHEM, PA 18020 weather forecast Day 2, 3 hours 5 AM 65° 65° Mostly Cloudy WSW   2 87% 61°
High 88° BETHLEHEM, PA 18020 weather forecast Day 2, 6 hours 8 AM 70° 70° Partly Cloudy 4%

0% Thunder
( 4% severe)
W   1 81% 64°

Partly Cloudy



BETHLEHEM, PA 18020 weather forecast Day 2, 9 hours 11 AM 80° 82° Partly Cloudy W   3 60% 65°
BETHLEHEM, PA 18020 weather forecast Day 2, 12 hours 2 PM 85° 87° Partly Cloudy 6%

0% Thunder
( 17% severe)
WSW   7 51% 65°
BETHLEHEM, PA 18020 weather forecast Day 2, 15 hours 5 PM 86° 88° Partly Cloudy WSW   9 50% 65°
BETHLEHEM, PA 18020 weather forecast Day 2, 18 hours 8 PM 82° 84° Partly Cloudy 1%

0% Thunder
( 10% severe)
SSW   6 58% 66°
BETHLEHEM, PA 18020 weather forecast Day 2, 21 hours 11 PM 76° 78° Partly Cloudy SSW   6 69% 65°
Sunday
22 JUN 2025
BETHLEHEM, PA 18020 weather forecast Day 3, 0 hours 2 AM 72° 72° Partly Cloudy 1%

0% Thunder
( 2% severe)
SW   7 79% 65°
Low 69° BETHLEHEM, PA 18020 weather forecast Day 3, 3 hours 5 AM 70° 70° Partly Cloudy WSW   7 81% 64°
High 94° BETHLEHEM, PA 18020 weather forecast Day 3, 6 hours 8 AM 74° 74° Partly Cloudy 1%

0% Thunder
( 5% severe)
WSW   7 79% 67°

Partly Cloudy



BETHLEHEM, PA 18020 weather forecast Day 3, 9 hours 11 AM 84° 88° Partly Cloudy WSW   9 61% 69°
BETHLEHEM, PA 18020 weather forecast Day 3, 15 hours 2 PM 91° 97° Partly Cloudy 2%

0% Thunder
( 10% severe)
WSW   12 50% 70°
BETHLEHEM, PA 18020 weather forecast Day 3, 18 hours 5 PM 92° 99° Partly Cloudy WSW   12 51% 71°
BETHLEHEM, PA 18020 weather forecast Day 3, 21 hours 8 PM 88° 94° Partly Cloudy     WSW   7 57% 71°

ALLENTOWN, PA extended weather forecast

Monday
23 JUN 2025
Tuesday
24 JUN 2025
Wednesday
25 JUN 2025
Thursday
26 JUN 2025
Friday
27 JUN 2025
Low 72° Low 72° Low 73° Low 69° Low 67°
High 100° High 98° High 91° High 88° High 87°
BETHLEHEM, PA 18020 weather forecast Day 4 BETHLEHEM, PA 18020 weather forecast Day 5 BETHLEHEM, PA 18020 weather forecast Day 6 BETHLEHEM, PA 18020 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Clear
5% Rain
Clear
13% Rain
Partly Cloudy
28% Rain
Overcast
53% Rain
Mostly Cloudy
42% Rain
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