National Weather Service Forecast for: Jonestown, PA
Issued by: National Weather Service State College, PA
Updated: 07/30/2025 2:15am

Jonestown,Pa
 
  Wednesday

Wednesday: Areas Of Fog then Scattered Showers And Thunderstorms
Areas Of Fog then Scattered Showers And T-Storms
Thursday

Thursday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Friday

Friday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Partly Sunny then Slight Chance Rain Showers
Partly Sunny then Slight Chance Rain Showers
  Hi 96 °F Hi 85 °F Hi 74 °F Hi 81 °F Hi 82 °F Hi 84 °F Hi 84 °F
 
Overnight

Overnight: Patchy Fog
Patchy Fog
Wednesday
Night
Wednesday Night: Scattered Showers And Thunderstorms
Scattered Showers And T-Storms
Thursday
Night
Thursday Night: Showers And Thunderstorms
Showers And T-Storms
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
 
Lo 72 °F Lo 73 °F Lo 66 °F Lo 58 °F Lo 58 °F Lo 59 °F Lo 60 °F  

Heat Advisory
 

Overnight
 
Patchy fog after 5am. Partly cloudy, with a low around 72. Southwest wind around 1 mph.
Wednesday
 
Areas of fog before 7am, then scattered showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 104. Southwest wind 1 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
Scattered showers and thunderstorms before 7pm, then scattered showers and thunderstorms between 7pm and 8pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Heat index values as high as 101. East wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday
 
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 85. Northeast wind 2 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
 
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 66. Northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
 
Rain showers likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
 
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 58. Chance of precipitation is 40%.
Saturday
 
Sunny, with a high near 81.
Saturday Night
 
Mostly clear, with a low around 58.
Sunday
 
Sunny, with a high near 82.
Sunday Night
 
Mostly clear, with a low around 59.
Monday
 
Sunny, with a high near 84.
Monday Night
 
Partly cloudy, with a low around 60.
Tuesday
 
A slight chance of rain showers after 2pm. Partly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Jonestown, PA.
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