BETHLEHEM, PA 18020 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

12:51 PM EDT MAY 27, 2025
Clear
70°F
Feels Like: 70°F
Dewpoint: 54°F
Rel. Hum.: 57%
Visibility: 10 miles
Wind: E at 5 mph
Pressure: 30.34 inches
Last 72 hours

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BETHLEHEM, PA 18020
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Cloudy. Near steady temperature in the lower 70s. South winds around 5 mph.
TONIGHT
Cloudy. Lows in the mid 50s. Southwest winds around 5 mph.
WEDNESDAY
Cloudy. A chance of rain in the morning, then rain in the afternoon. Much cooler. Near steady temperature in the mid 50s. East winds 5 to 10 mph. Chance of rain 80 percent.
WEDNESDAY NIGHT
Rain. Near steady temperature in the mid 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent.
THURSDAY
Mostly cloudy. A chance of rain in the morning, then a chance of showers in the afternoon. Warmer with highs in the lower 70s. Northeast winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 30 percent.
FRIDAY
Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
FRIDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.
SATURDAY
Partly sunny with a chance of showers. Highs in the lower 70s. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 50s. Chance of rain 50 percent.
SUNDAY
Mostly sunny. Highs in the lower 70s.
SUNDAY NIGHT
Partly cloudy. Lows in the mid 50s.
MONDAY
Sunny. Highs in the mid 70s.

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  5/27/2025
Tuesday
27 MAY 2025
BETHLEHEM, PA 18020 weather forecast Day 1, 12 hours 2 PM 73° 73° Mostly Cloudy 5%

0% Thunder
( 4% severe)
S   3 41% 48°
High 74° BETHLEHEM, PA 18020 weather forecast Day 1, 15 hours 5 PM 72° 72° Mostly Cloudy S   6 43% 48°
Mostly Cloudy



BETHLEHEM, PA 18020 weather forecast Day 1, 18 hours 8 PM 67° 67° Mostly Cloudy 7%

0% Thunder
( 1% severe)
SSW   6 49% 47°
BETHLEHEM, PA 18020 weather forecast Day 1, 21 hours 11 PM 61° 62° Mostly Cloudy SSW   2 56% 45°
Wednesday
28 MAY 2025
BETHLEHEM, PA 18020 weather forecast Day 2, 0 hours 2 AM 57° 58° Overcast 31%
RAIN
<.01 in
0% Thunder
( 2% severe)
SE   1 67% 46°
Low 53° BETHLEHEM, PA 18020 weather forecast Day 2, 3 hours 5 AM 56° 56° Overcast E   1 72% 47°
High 62° BETHLEHEM, PA 18020 weather forecast Day 2, 6 hours 8 AM 56° 56° Overcast 47%
RAIN
.1–.25 in
0% Thunder
( 5% severe)
E   3 74% 48°

Overcast

Rain Likely

BETHLEHEM, PA 18020 weather forecast Day 2, 9 hours 11 AM 59° 59° Overcast ESE   5 62% 46°
BETHLEHEM, PA 18020 weather forecast Day 2, 12 hours 2 PM 60° 59° Mostly Cloudy 62%
RAIN
***
0% Thunder
( 10% severe)
ESE   8 62% 47°
BETHLEHEM, PA 18020 weather forecast Day 2, 15 hours 5 PM 60° 59° Overcast E   9 67% 49°
BETHLEHEM, PA 18020 weather forecast Day 2, 18 hours 8 PM 59° 58° Mostly Cloudy 58%
RAIN
***
0% Thunder
( 6% severe)
E   8 72% 50°
BETHLEHEM, PA 18020 weather forecast Day 2, 21 hours 11 PM 57° 56° Mostly Cloudy E   7 80% 51°
Thursday
29 MAY 2025
BETHLEHEM, PA 18020 weather forecast Day 3, 0 hours 2 AM 56° 55° Mostly Cloudy 54%
RAIN
***
0% Thunder
( 5% severe)
E   6 86% 52°
Low 54° BETHLEHEM, PA 18020 weather forecast Day 3, 3 hours 5 AM 56° 55° Mostly Cloudy ENE   5 93% 54°
High 73° BETHLEHEM, PA 18020 weather forecast Day 3, 6 hours 8 AM 58° 58° Mostly Cloudy 29%
RAIN
.1–.25 in
0% Thunder
( 6% severe)
ENE   3 90% 55°

Mostly Cloudy

Chance of Rain

BETHLEHEM, PA 18020 weather forecast Day 3, 9 hours 11 AM 62° 63° Mostly Cloudy E   3 81% 56°
BETHLEHEM, PA 18020 weather forecast Day 3, 15 hours 2 PM 67° 67° Mostly Cloudy 23%
RAIN
.01–.1 in
0% Thunder
( 13% severe)
SW   6 70% 57°
BETHLEHEM, PA 18020 weather forecast Day 3, 18 hours 5 PM 70° 70° Mostly Cloudy WSW   7 66% 58°
BETHLEHEM, PA 18020 weather forecast Day 3, 21 hours 8 PM 68° 68° Mostly Cloudy     SW   5 68% 57°

ALLENTOWN, PA extended weather forecast

Friday
30 MAY 2025
Saturday
31 MAY 2025
Sunday
1 JUN 2025
Monday
2 JUN 2025
Tuesday
3 JUN 2025
Low 60° Low 61° Low 52° Low 49° Low 53°
High 73° High 72° High 72° High 73° High 81°
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
Overcast
62% Rain
Overcast
79% Rain
Partly Cloudy
36% Rain
Partly Cloudy
20% Rain
Partly Cloudy
21% Rain
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