Prompton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prompton, a borough in Wayne County, Pennsylvania.
Today
68°F
Mostly Sunny
Mostly sunny, with a high near 68. Southeast wind around 5 mph.
7-day forecast for Prompton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Mostly Sunny | 5 mph SE | 0% |
| Tonight | 48°F | Mostly Cloudy then Light Rain | 3 to 8 mph SE | 90% |
| Sunday | 63°F | Rain | 6 to 9 mph S | 100% |
| Sunday Night | 46°F | Rain then Chance Rain Showers | 8 mph NW | 85% |
| Monday | 65°F | Partly Sunny | 8 mph N | 3% |
| Monday Night | 41°F | Mostly Cloudy then Chance Rain Showers | 6 mph NE | 26% |
| Tuesday | 59°F | Chance Rain Showers | 5 to 8 mph E | 26% |
| Tuesday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 12 mph E | 22% |
| Wednesday | 59°F | Partly Sunny | 10 to 14 mph E | 14% |
| Wednesday Night | 41°F | Chance Rain Showers | 10 mph E | 30% |
| Thursday | 59°F | Chance Rain Showers | 10 mph NE | 33% |
| Thursday Night | 41°F | Chance Rain Showers | 5 to 8 mph NE | 34% |
| Friday | 63°F | Chance Rain Showers | 9 mph N | 26% |
| Friday Night | 42°F | Chance Rain Showers | 9 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov) for Prompton (41.594, -75.325). Updated through the day.
Growing snapshot for Prompton
Last spring frost
May 14
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
6a
More local growing data for Prompton: nearby ZIP 18456 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Pleasant Mt 1 W, Pa (10 mi from Prompton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.