National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

Mechanicsville PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 35 °F

Sunday

Partly Sunny

Partly
Sunny

High: 53 °F

Sunday
Night

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 49 °F

Monday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 73 °F

Monday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 50 °F

Tuesday

Sunny

Sunny

High: 54 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 36 °F

Wednesday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 40 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 32 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 35. Southwest wind 5 to 7 mph.
  • Sunday Partly sunny, with a high near 53. Southwest wind 6 to 8 mph.
  • Sunday Night Showers, mainly after 11pm. The rain could be heavy at times. Low around 49. Light southeast wind increasing to 8 to 13 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Monday A chance of showers, mainly before 8am. Mostly cloudy, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
  • Monday Night A chance of showers before midnight. Partly cloudy, with a low around 50. West wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Sunny, with a high near 54.
  • Tuesday Night Mostly cloudy, with a low around 36.
  • Wednesday Rain and snow. High near 40. Chance of precipitation is 80%.
  • Wednesday Night Snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
  • Thanksgiving Day Mostly sunny, with a high near 45.
  • Thursday Night Partly cloudy, with a low around 32.
  • Friday Mostly sunny, with a high near 40.
  • Friday Night Partly cloudy, with a low around 26.
  • Saturday Sunny, with a high near 36.