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15857 Weather (St. Marys, PA)

St. Marys, PA WeatherCurrent Conditions and Weather for St. Marys, Pennsylvania
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Mist at St. Marys (15857), temperature is 54°F12°C, dew point 52°F11°C, humidity 92%. Wind direction is E at 10 mphat 16 km/h with visibility of 5 mi8 km. Barometric pressure is 30.23 in1024 mb. Last update: 10:20 am.*
*Time is approximately 10:20 am Tue, Sep 22, 2026. Time will be within 15 minutes of current local time. St. Marys weather forecast data is updated every 15 minutes.

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Name the season’s first hurricane Zelda and fool Mother Nature into calling it a year. ―Robert Breault
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St. Marys PA Weather - 10:20 am

St. Marys Weather Forecast

Weather forecast for: Saint Marys PA
Last Update: 10:16 am EDT Sep 22, 2026
Today: A chance of showers. Cloudy, with a high near 57. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight: Mostly cloudy, with a low around 44. East wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday: Partly sunny, with a high near 62. East wind around 10 mph, with gusts as high as 22 mph.
Wednesday Night: Partly cloudy, with a low around 41. East wind around 6 mph.
Thursday: Mostly sunny, with a high near 63. East wind around 7 mph.
Thursday Night: Mostly clear, with a low around 41.
Friday: Sunny, with a high near 67.
Friday Night: Partly cloudy, with a low around 43.
Saturday: Mostly sunny, with a high near 66.
Saturday Night: Partly cloudy, with a low around 43.
Sunday: Mostly sunny, with a high near 68.
Sunday Night: Partly cloudy, with a low around 44.
Monday: Mostly sunny, with a high near 70.

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