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Merion, Pennsylvania Weather Forecast
Merion, Pennsylvania Weather
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Weather Forecast for Merion, Pennsylvania : Montgomery County
Issued: 4:09 am EST Dec 16, 2025 Latitude: 39.9976 Longitude: -75.2495 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Cloudy on Tonight Mostly Sunny on Wednesday Mostly Sunny on Thursday 50% chance of rain on Friday Partly Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday
High: 30°F Low: 20°F High: 43°F High: 53°F High: 50°F High: 39°F High: 46°F High: 40°F
Low: 23°F Low: 43°F Low: 25°F Low: 32°F Low: 28°F  
Sunny Mostly Cloudy Mostly Sunny Mostly Sunny Rain Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
PHILADELPHIA - (KPHL)
21°
Partly Cloudy
as of 6:54 AM EST
Rel. Humidity: 73%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
3 MPH
300° Northwest
Cloud Level(s): Few at 7500ft, Few at 13000ft, Scattered at 20000ft
Current Conditions at
PHILADELPHIA/WINGS - (KLOM)
Clear
as of 6:55 AM EST
Rel. Humidity: 92%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
N PHILADELPHIA - (KPNE)
16°
Clear
as of 6:54 AM EST
Rel. Humidity: 78%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 30. Calm wind becoming northwest around 5 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, then gradually becoming clear, with a low around 20. Calm wind becoming southwest around 5 mph after midnight.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 43. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 23. West wind around 5 mph becoming calm in the evening.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 53. Calm wind becoming southeast around 5 mph in the afternoon.

100% chance of rain Thursday Night Thursday Night... Rain. Low around 43. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

50% chance of rain Friday Friday... A chance of rain before 1pm. Partly sunny, with a high near 50. Chance of precipitation is 50%.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 25.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 39.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 32.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 46.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 28.

Partly Sunny on Monday Monday... Partly sunny, with a high near 40.

Sun Almanac for Merion, Pennsylvania
Sunrise: 07:17 AM
Sunset: 4:37 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:15 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.