Wynnewood, PA Weather & Growing Conditions
Overnight
66°F
Mostly Cloudy
Mostly cloudy, with a low around 66. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Cloudy | 5 mph N | 0% |
| Tuesday | 86°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 68°F | Mostly Cloudy | 0 to 5 mph E | 6% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 71% |
| Wednesday Night | 72°F | Showers And Thunderstorms Likely | 5 mph S | 73% |
| Thursday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 23% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 39% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SW | 44% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 37% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 5 mph W | 37% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph W | 16% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph SW | 16% |
| Monday | 90°F | Sunny | 5 to 10 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wynnewood, PA
Last spring frost
Mar 30
First fall frost
Nov 17
Growing season
232 days
Hardiness zone
7b
Explore more for Wynnewood, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Phila Franklin Inst, Pa (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.