National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Mostly Cloudy

36°F

2°C

Humidity 70%
Wind Speed SE 6 mph
Barometer 29.92 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Nov 6:15 am EST
Extended Forecast for

Byrnedale PA

  • Today

    Today: Showers, mainly after 1pm. High near 59. South wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Mostly Cloudy
    then Showers

  • Tonight

    Tonight: Showers, mainly before 10pm. Low around 41. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers before 1pm. Partly sunny, with a high near 55. West wind around 7 mph. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 56. Southeast wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: Rain showers likely before 1am, then rain and snow showers likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Showers
    Likely

  • Veterans Day

    Veterans Day: A chance of snow showers before 1pm. Partly sunny, with a high near 39. Chance of precipitation is 40%.

    High: 39 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Showers, mainly after 1pm. High near 59. South wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers, mainly before 10pm. Low around 41. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A slight chance of showers before 1pm. Partly sunny, with a high near 55. West wind around 7 mph. Chance of precipitation is 20%.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers. High near 56. Southeast wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain showers likely before 1am, then rain and snow showers likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Monday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Veterans Day
A chance of snow showers before 1pm. Partly sunny, with a high near 39. Chance of precipitation is 40%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Wednesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 44. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Byrnedale PA
 41.32°N 78.48°W (Elev. 1506 ft)
Last Update:
2:36 am EST Nov 7, 2025
Forecast Valid:
6am EST Nov 7, 2025-6pm EST Nov 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation