National Weather Service Forecast for: Meridian, PA
Issued by: National Weather Service Pittsburgh/Moon Township, PA
Updated: Tue, 12-May-2026 2:21am EDT

Renfrew
 
  Tuesday

Tuesday: Widespread Frost then Sunny
Widespread Frost then Sunny
Wednesday

Wednesday: Showers And Thunderstorms
Showers And T-Storms
Thursday

Thursday: Chance Rain Showers
Chance Rain Showers
Friday

Friday: Mostly Sunny
Mostly Sunny
Saturday

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

Sunday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight 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 68 °F Hi 66 °F Hi 54 °F Hi 67 °F Hi 82 °F Hi 84 °F Hi 90 °F
 
Overnight

Overnight: Widespread Frost
Widespread Frost
Tuesday
Night
Tuesday Night: Cloudy then Rain Showers Likely
Cloudy then Rain Showers Likely
Wednesday
Night
Wednesday Night: Rain Showers Likely
Rain Showers Likely
Thursday
Night
Thursday Night: Slight Chance Rain Showers then Mostly Cloudy
Slight Chance Rain Showers then Mostly Cloudy
Friday
Night
Friday Night: Mostly Cloudy
Mostly Cloudy
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday
Night
Sunday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
 
Lo 36 °F Lo 52 °F Lo 42 °F Lo 42 °F Lo 51 °F Lo 57 °F Lo 63 °F  

Freeze Warning
 

Overnight
 
Widespread frost. Partly cloudy, with a low around 36. Northeast wind 1 to 6 mph.
Tuesday
 
Widespread frost before 8am. Sunny, with a high near 68. Southeast wind 1 to 5 mph.
Tuesday Night
 
Rain showers likely after 2am. Cloudy, with a low around 52. South wind 2 to 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Wednesday
 
Rain showers likely before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 66. Southwest wind 10 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
Rain showers likely. Mostly cloudy, with a low around 42. West wind 7 to 12 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Thursday
 
A chance of rain showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Thursday Night
 
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 42.
Friday
 
Mostly sunny, with a high near 67.
Friday Night
 
Mostly cloudy, with a low around 51.
Saturday
 
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.
Saturday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Sunday
 
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Sunday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Monday
 
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 90.

 

Forecast from NOAA-NWS for Meridian, PA.