Yorklyn, PA Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 67°F | Mostly Cloudy | 5 mph SE | 7% |
| Wednesday | 83°F | Showers And Thunderstorms Likely | 6 mph SE | 67% |
| Wednesday Night | 71°F | Showers And Thunderstorms Likely | 6 mph S | 72% |
| Thursday | 88°F | Partly Sunny then Showers And Thunderstorms Likely | 6 to 9 mph S | 60% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely | 5 to 8 mph SW | 60% |
| Friday | 87°F | Mostly Sunny then Showers And Thunderstorms Likely | 3 to 7 mph SW | 61% |
| Friday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph SW | 61% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph W | 49% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 6 mph SW | 49% |
| Sunday | 87°F | Mostly Sunny | 6 mph W | 14% |
| Sunday Night | 71°F | Partly Cloudy | 6 mph SW | 14% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph W | 20% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Yorklyn, PA
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
7a
Explore more for Yorklyn, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, York 3 Ssw Pump Stn, Pa (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.