Derry, PA Weather & Growing Conditions
Today
86°F
Sunny
Sunny, with a high near 86. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 mph SE | 0% |
| Tonight | 66°F | Partly Cloudy | 2 to 6 mph SE | 0% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SE | 28% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 36% |
| Thursday | 85°F | Showers And Thunderstorms | 2 to 8 mph SW | 79% |
| Thursday Night | 68°F | Showers And Thunderstorms | 2 to 6 mph S | 79% |
| Friday | 84°F | Showers And Thunderstorms | 3 to 9 mph SW | 82% |
| Friday Night | 66°F | Showers And Thunderstorms | 2 to 6 mph SW | 82% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 53% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 53% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 27% |
| Monday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 10 to 15 mph SW | 43% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 6 to 12 mph SW | 51% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Derry, PA
Last spring frost
May 2
First fall frost
Oct 14
Growing season
163 days
Hardiness zone
6b
Explore more for Derry, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Loyalhanna Lake, Pa (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.