Meridian, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Meridian, a community in Butler County, Pennsylvania.
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. Northeast wind around 6 mph.
7-day forecast for Meridian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 6 mph NE | 5% |
| Saturday | 76°F | Partly Sunny | 6 mph E | 10% |
| Saturday Night | 62°F | Mostly Cloudy then Showers And Thunderstorms Likely | 5 mph SE | 72% |
| Sunday | 75°F | Showers And Thunderstorms | 7 mph SW | 96% |
| Sunday Night | 56°F | Showers And Thunderstorms | 6 to 9 mph N | 90% |
| Monday | 68°F | Chance Rain Showers | 10 mph NE | 26% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 9 to 13 mph E | 54% |
| Tuesday | 64°F | Showers And Thunderstorms Likely | 14 mph E | 64% |
| Tuesday Night | 52°F | Showers And Thunderstorms Likely | 15 mph E | 64% |
| Wednesday | 62°F | Showers And Thunderstorms Likely | 14 mph E | 64% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms | 10 to 14 mph E | 52% |
| Thursday | 64°F | Chance Rain Showers | 8 to 12 mph E | 42% |
| Thursday Night | 51°F | Slight Chance Rain Showers | 7 mph NE | 19% |
| Friday | 69°F | Partly Sunny then Slight Chance Rain Showers | 7 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Meridian (40.853, -79.955). Updated through the day.
Growing snapshot for Meridian
Last spring frost
May 7
First fall frost
Oct 14
Growing season
159 days
Hardiness zone
6b
More local growing data for Meridian: nearby ZIP 16045 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Butler 2 Sw, Pa (0.8 mi from Meridian). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.