New Wilmington, PA Weather & Growing Conditions
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
| 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). Updated through the day.
Growing snapshot for New Wilmington, PA
Last spring frost
Apr 30
First fall frost
Oct 23
Growing season
175 days
Explore more for New Wilmington, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, New Castle 1 N, Pa (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.