Weather in Saint Marys, Pennsylvania, United States

7-Day Detailed Weather Forecast for Saint Marys

Overnight

Temperature: 38°F

Wind Speed: 22 mph

Wind Direction: S

Forecast: Rain showers. Cloudy. Low around 38, with temperatures rising to around 44 overnight. South wind around 22 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Temperature: 42°F

Wind Speed: 16 to 21 mph

Wind Direction: W

Forecast: Rain showers before 9am, then a chance of rain and snow showers. Mostly cloudy. High near 42, with temperatures falling to around 22 in the afternoon. West wind 16 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Friday Night

Temperature: 15°F

Wind Speed: 7 to 21 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 15. West wind 7 to 21 mph, with gusts as high as 40 mph. New snow accumulation of less than one inch possible.

Saturday

Temperature: 38°F

Wind Speed: 5 to 8 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 38. Southwest wind 5 to 8 mph.

Saturday Night

Temperature: 23°F

Wind Speed: 9 to 13 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 23. Southwest wind 9 to 13 mph, with gusts as high as 25 mph.

Sunday

Temperature: 30°F

Wind Speed: 14 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 30.

Sunday Night

Temperature: 14°F

Wind Speed: 5 to 12 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 14.

Monday

Temperature: 30°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 30.

Monday Night

Temperature: 21°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: A chance of snow showers after 7pm. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.

Tuesday

Temperature: 39°F

Wind Speed: 6 to 10 mph

Wind Direction: SW

Forecast: A chance of snow showers before 7am, then rain and snow showers likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

Tuesday Night

Temperature: 28°F

Wind Speed: 6 to 9 mph

Wind Direction: W

Forecast: A chance of rain showers. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

Wednesday

Temperature: 38°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: A slight chance of rain showers. Partly sunny, with a high near 38.

Wednesday Night

Temperature: 27°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: A slight chance of rain showers before 7pm, then a chance of snow showers between 7pm and 1am, then rain showers likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

Christmas Day

Temperature: 48°F

Wind Speed: 8 mph

Wind Direction: S

Forecast: Rain showers likely. Mostly cloudy, with a high near 48.