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National Weather Service Forecast for: Lake Wynonah, PA
Issued by: National Weather Service State College, PA
Updated: Mon, 13-Jul-2026 8:11pm EDT
 
  Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Slight Chance Rain Showers then Chance Showers And Thunderstorms
Slight Chance Rain Showers then Chance Showers And T-Storms
Sunday

Sunday: Chance Rain Showers then Chance Showers And Thunderstorms
Chance Rain Showers then Chance Showers And T-Storms
Monday

Monday: Slight Chance Rain Showers then Chance Showers And Thunderstorms
Slight Chance Rain Showers then Chance Showers And T-Storms
  Hi 92 °F Hi 98 °F Hi 93 °F Hi 91 °F Hi 89 °F Hi 84 °F Hi 82 °F
 
Tonight

Tonight: Clear
Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Partly Cloudy then Slight Chance Rain Showers
Partly Cloudy then Slight Chance Rain Showers
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 64 °F Lo 72 °F Lo 69 °F Lo 66 °F Lo 66 °F Lo 66 °F Lo 63 °F  

Heat Advisory
 

Tonight
 
Clear, with a low around 64. Southwest wind around 3 mph.
Tuesday
 
Sunny, with a high near 92. West wind 2 to 8 mph.
Tuesday Night
 
Mostly clear, with a low around 72. West wind 5 to 8 mph.
Wednesday
 
Sunny, with a high near 98. Heat index values as high as 102. West wind 5 to 9 mph, with gusts as high as 21 mph.
Wednesday Night
 
Partly cloudy, with a low around 69. Northwest wind 0 to 8 mph.
Thursday
 
Mostly sunny, with a high near 93.
Thursday Night
 
Mostly clear, with a low around 66.
Friday
 
Mostly sunny, with a high near 91.
Friday Night
 
A slight chance of rain showers after 2am. Partly cloudy, with a low around 66.
Saturday
 
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Saturday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Sunday
 
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Sunday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Monday
 
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for Lake Wynonah, PA.