COPLAY, PA 18037 Weather Forecast & Current Conditions

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ALLENTOWN, PA
Current Weather

3:51 AM EDT MAY 14, 2026
Broken Clouds
52°F
Feels Like: 52°F
Dewpoint: 50°F
Rel. Hum.: 93%
Visibility: 7 miles
Wind: Calm
Pressure: 29.75 inches
Last 72 hours

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COPLAY, PA 18037
Weather Forecast

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Snow Depth pages
TODAY
Partly sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph.
TONIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s. Northwest winds 5 to 10 mph.
FRIDAY
Mostly sunny. Highs in the upper 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 40s. Northwest winds 5 to 10 mph in the evening, becoming light and variable.
SATURDAY
Sunny, warmer with highs in the upper 70s. Southwest winds 5 to 10 mph.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the upper 50s.
SUNDAY
Mostly sunny. Highs in the mid 80s.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 50s.
MONDAY
Sunny, hot with highs in the mid 80s.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
TUESDAY
Mostly sunny. Hot with highs in the upper 80s.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 60s.
WEDNESDAY
Partly sunny with a chance of showers. Hot with highs in the upper 80s. Chance of rain 50 percent.

Visible Weather Satellite
COPLAY, PA 18037
Infrared Weather Satellite
COPLAY, PA 18037
NEXRAD Weather Radar
COPLAY, PA 18037

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  5/13/2026
Thursday
14 MAY 2026
COPLAY, PA 18037 weather forecast Day 1, 0 hours 2 AM 56° 54° Mostly Cloudy 24%
RAIN
.1–.25 in
0% Thunder
( 5% severe)
SSW   7 86% 52°
Low 51° COPLAY, PA 18037 weather forecast Day 1, 3 hours 5 AM 52° 50° Mostly Cloudy WNW   7 93% 50°
High 65° COPLAY, PA 18037 weather forecast Day 1, 6 hours 8 AM 53° 50° Mostly Cloudy 7%

0% Thunder
( 3% severe)
NW   9 80% 47°

Partly Cloudy



COPLAY, PA 18037 weather forecast Day 1, 9 hours 11 AM 60° 59° Partly Cloudy NW   9 55% 44°
COPLAY, PA 18037 weather forecast Day 1, 12 hours 2 PM 63° 62° Partly Cloudy 3%

0% Thunder
( 3% severe)
WNW   12 48% 43°
COPLAY, PA 18037 weather forecast Day 1, 15 hours 5 PM 63° 62° Partly Cloudy WNW   13 46% 42°
COPLAY, PA 18037 weather forecast Day 1, 18 hours 8 PM 59° 57° Mostly Cloudy 2%

0% Thunder
( 0% severe)
WNW   12 53% 42°
COPLAY, PA 18037 weather forecast Day 1, 21 hours 11 PM 53° 50° Partly Cloudy WNW   10 69% 43°
Friday
15 MAY 2026
COPLAY, PA 18037 weather forecast Day 2, 0 hours 2 AM 50° 46° Partly Cloudy 2%

0% Thunder
( 1% severe)
WNW   9 77% 43°
Low 47° COPLAY, PA 18037 weather forecast Day 2, 3 hours 5 AM 48° 43° Mostly Cloudy WNW   10 80% 42°
High 69° COPLAY, PA 18037 weather forecast Day 2, 6 hours 8 AM 52° 48° Mostly Cloudy 2%

0% Thunder
( 2% severe)
WNW   12 74% 44°

Partly Cloudy



COPLAY, PA 18037 weather forecast Day 2, 9 hours 11 AM 61° 59° Partly Cloudy NW   13 56% 45°
COPLAY, PA 18037 weather forecast Day 2, 12 hours 2 PM 66° 66° Partly Cloudy 1%

0% Thunder
( 1% severe)
NNW   14 48% 46°
COPLAY, PA 18037 weather forecast Day 2, 15 hours 5 PM 69° 69° Partly Cloudy NW   12 44% 46°
COPLAY, PA 18037 weather forecast Day 2, 18 hours 8 PM 64° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   5 54% 47°
COPLAY, PA 18037 weather forecast Day 2, 21 hours 11 PM 56° 56° Partly Cloudy   CALM 72% 47°

ALLENTOWN, PA extended weather forecast

Saturday
16 MAY 2026
Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Low 48° Low 59° Low 62° Low 62° Low 62°
High 78° High 80° High 89° High 86° High 78°
COPLAY, PA 18037 weather forecast Day 3 COPLAY, PA 18037 weather forecast Day 4 COPLAY, PA 18037 weather forecast Day 5 COPLAY, PA 18037 weather forecast Day 6 COPLAY, PA 18037 weather forecast Day 7
Partly Cloudy
11% Rain
Overcast
49% Rain
Mostly Cloudy
36% Rain
Partly Cloudy
42% Rain
Overcast
55% Rain
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