National Weather Service Forecast for: Meridian, PA
Issued by: National Weather Service Pittsburgh/Moon Township, PA
Updated: Wed, 15-Jul-2026 6:51am EDT

Renfrew
 
Today

Today: Mostly Sunny
Mostly Sunny
Thursday

Thursday: Areas Of Smoke
Areas Of Smoke
Friday

Friday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Saturday

Saturday: Showers And Thunderstorms
Showers And T-Storms
Sunday

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

Monday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Tuesday

Tuesday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
 
Hi 95 °F Hi 91 °F Hi 89 °F Hi 84 °F Hi 83 °F Hi 84 °F Hi 82 °F  
 
Tonight

Tonight: Patchy Smoke
Patchy Smoke
Thursday
Night
Thursday Night: Areas Of Smoke then Mostly Clear
Areas Of Smoke then Mostly Clear
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday
Night
Saturday Night: Showers And Thunderstorms
Showers And T-Storms
Sunday
Night
Sunday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Monday
Night
Monday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Tuesday
Night
Tuesday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
 
Lo 70 °F Lo 63 °F Lo 67 °F Lo 65 °F Lo 62 °F Lo 65 °F Lo 60 °F  

Heat Advisory
 

Today
 
Mostly sunny, with a high near 95. Heat index values as high as 100. West wind 6 to 9 mph.
Tonight
 
Patchy smoke after 11pm. Partly cloudy, with a low around 70. North wind 0 to 8 mph.
Thursday
 
Areas of smoke. Mostly sunny, with a high near 91. Northwest wind 0 to 9 mph.
Thursday Night
 
Areas of smoke before 8pm. Mostly clear, with a low around 63. North wind 1 to 8 mph.
Friday
 
A slight chance of rain showers between 2pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 2 mph. Chance of precipitation is 20%.
Friday Night
 
A chance of showers and thunderstorms before 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Saturday
 
Showers and thunderstorms. Mostly cloudy, with a high near 84. Chance of precipitation is 90%.
Saturday Night
 
Showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 90%.
Sunday
 
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
 
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62.
Monday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
 
A chance of showers and thunderstorms before 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
 
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 60.

 

Forecast from NOAA-NWS for Meridian, PA.