New Wilmington, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Wilmington, a borough in Lawrence County, Pennsylvania.
This Afternoon
78°F
Sunny
Sunny. High near 78, with temperatures falling to around 72 in the afternoon. South wind 6 to 12 mph, with gusts as high as 22 mph.
7-day forecast for New Wilmington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 6 to 12 mph S | 1% |
| Tonight | 54°F | Mostly Clear | 6 mph SE | 3% |
| Wednesday | 76°F | Partly Sunny then Chance Light Rain | 7 to 12 mph S | 25% |
| Wednesday Night | 59°F | Light Rain | 7 to 12 mph S | 100% |
| Thursday | 69°F | Slight Chance Light Rain then Mostly Sunny | 6 to 12 mph SW | 18% |
| Thursday Night | 45°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Friday | 64°F | Partly Sunny then Slight Chance Light Rain | 0 to 6 mph W | 17% |
| Friday Night | 42°F | Chance Light Rain | 5 mph NW | 31% |
| Saturday | 55°F | Chance Light Rain | 5 to 10 mph W | 33% |
| Saturday Night | 34°F | Chance Light Rain then Mostly Cloudy | 2 to 7 mph W | 33% |
| Sunday | 55°F | Partly Sunny then Slight Chance Light Rain | 3 to 9 mph SW | 19% |
| Sunday Night | 32°F | Slight Chance Light Rain | 7 mph W | 22% |
| Monday | 57°F | Chance Light Rain | 7 to 13 mph W | 31% |
| Monday Night | 34°F | Chance Light Rain then Partly Cloudy | 8 mph SW | 31% |
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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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 Nov 3, 2026.