


Hazardous Weather Conditions
Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
68°F
20°C
Humidity | 88% |
Wind Speed | SE 5 mph |
Barometer | 30.03 in |
Dewpoint | 64°F (18°C) |
Visibility | 10.00 mi |
Last update | 17 Jun 12:55 pm EDT |
Extended Forecast for
Byrnedale PA
Flood Watch until June 17, 10:00pm
NOW until 10:00pm Tue
Flood Watch
This Afternoon
High: 75 °F
Showers
Tonight
Low: 65 °F
Showers
LikelyWednesday
High: 80 °F
Showers
LikelyWednesday Night
Low: 68 °F
Chance
T-stormsJuneteenth
High: 78 °F
Showers
LikelyThursday Night
Low: 57 °F
Chance
T-storms then
Partly CloudyFriday
High: 80 °F
Mostly Sunny
Friday Night
Low: 60 °F
Partly Cloudy
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 75. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 3am, then a chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 78. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny and hot, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Byrnedale PA
41.29°N 78.48°W (Elev. 1447 ft)
41.29°N 78.48°W (Elev. 1447 ft)
12:59 pm EDT Jun 17, 2025
1pm EDT Jun 17, 2025-6pm EDT Jun 23, 2025