New Wilmington, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Wilmington, a borough in Lawrence County, Pennsylvania.
Today
86°F
Sunny
Sunny, with a high near 86. Southeast wind around 3 mph.
7-day forecast for New Wilmington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 mph SE | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 88°F | Mostly Sunny then Scattered Showers And Thunderstorms | 6 mph SE | 50% |
| Wednesday Night | 66°F | Scattered Showers And Thunderstorms | 3 mph S | 50% |
| Thursday | 87°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph SW | 53% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph SW | 58% |
| Friday | 85°F | Showers And Thunderstorms | 2 to 7 mph SW | 82% |
| Friday Night | 65°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 82% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 35% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 mph SW | 35% |
| Sunday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 9 mph SW | 22% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 mph SW | 27% |
| Monday | 87°F | Chance Rain Showers | 6 to 10 mph W | 42% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 49% |
Forecast source: National Weather Service (api.weather.gov) for New Wilmington (41.118, -80.332). Updated through the day.
Growing snapshot for New Wilmington
Last spring frost
Apr 30
First fall frost
Oct 23
Growing season
175 days
More local growing data for New Wilmington: nearby ZIP 16172 weather · frost dates · planting calendar · Pennsylvania frost dates
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New Castle Northwest
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Climate data from the nearest NOAA station, New Castle 1 N, Pa (7.1 mi from New Wilmington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.