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Markham, Pennsylvania Weather Forecast
Markham, Pennsylvania Weather
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Weather Forecast for Markham, Pennsylvania : Delaware County
Issued: 4:11 pm EDT Oct 29, 2025 Latitude: 39.8909442 Longitude: -75.5057566 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
80% chance of rain on Tonight 100% chance of thunderstorms on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Sunny on Tuesday Sunny on Wednesday
Low: 49°F High: 63°F High: 55°F High: 57°F High: 57°F High: 59°F High: 58°F High: 57°F
Low: 45°F Low: 41°F Low: 38°F Low: 38°F Low: 44°F Low: 38°F  
Rain Thunderstorms Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Sunny Sunny
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Current Conditions at
PHILADELPHIA - (KPHL)
52°
Cloudy
Rain Mist
as of 10:54 PM EDST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 5 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
9 MPH
060° Northeast
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
WILMINGTON - (KILG)
52°
Cloudy
Light Rain Mist
as of 11:06 PM EDST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 5 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
15 MPH
Gust: 24 MPH
060° Northeast
Cloud Level(s): Few at 600ft, Broken at 4500ft, Solid Overcast at 7000ft
Current Conditions at
PHILADELPHIA/WINGS - (KLOM)
48°
Feels like 44°F
Cloudy
Light Rain Mist
as of 11:15 PM EDST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 7 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
9 MPH
070° East
Cloud Level(s): Solid Overcast at 1800ft
80% chance of rain Tonight Tonight... Rain. Low around 49. East wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

100% chance of thunderstorms Thursday Thursday... Rain and possibly a thunderstorm, mainly before 5pm, then a chance of rain and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. High near 63. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

30% chance of rain Thursday Night Thursday Night... A chance of rain before 8pm, then a chance of showers between 8pm and 2am. Cloudy during the early evening, then gradual clearing, with a low around 45. South wind 5 to 10 mph becoming west in the evening. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 55. West wind around 15 mph, with gusts as high as 40 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 41. West wind around 10 mph, with gusts as high as 30 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 57.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 38.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 57.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 38.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 59.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 44.

Sunny on Tuesday Tuesday... Sunny, with a high near 58.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 38.

Sunny on Wednesday Wednesday... Sunny, with a high near 57.

Sun Almanac for Markham, Pennsylvania
Sunrise: 07:28 AM
Sunset: 6:03 PM
Civil Sunrise:07:00 AM
Civil Sunset: 6:31 PM
Nautical Sunrise: 06:28 AM
Nautical Sunset: 7:03 PM
Astro Sunrise: 05:57 AM
Astro Sunset: 7:34 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.