Dallastown, PA Weather & Growing Conditions
Today
76°F
Partly Sunny
Partly sunny, with a high near 76. East wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Partly Sunny | 6 mph E | 5% |
| Tonight | 61°F | Mostly Cloudy then Chance Rain Showers | 7 to 12 mph SE | 47% |
| Sunday | 76°F | Showers And Thunderstorms | 9 to 15 mph S | 91% |
| Sunday Night | 56°F | Showers And Thunderstorms | 5 to 12 mph W | 91% |
| Monday | 67°F | Slight Chance Rain Showers | 12 mph NE | 23% |
| Monday Night | 50°F | Chance Rain Showers | 6 to 12 mph NE | 43% |
| Tuesday | 59°F | Chance Rain Showers | 13 mph NE | 52% |
| Tuesday Night | 48°F | Chance Rain Showers | 12 to 15 mph NE | 50% |
| Wednesday | 60°F | Chance Rain Showers | 15 mph NE | 41% |
| Wednesday Night | 49°F | Chance Rain Showers | 12 to 15 mph NE | 41% |
| Thursday | 62°F | Chance Rain Showers | 15 mph NE | 41% |
| Thursday Night | 48°F | Chance Rain Showers | 7 to 12 mph NE | 35% |
| Friday | 65°F | Chance Rain Showers | 13 mph N | 29% |
| Friday Night | 48°F | Slight Chance Rain Showers | 6 to 10 mph N | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dallastown, PA
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
7a
Explore more for Dallastown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, York 3 Ssw Pump Stn, Pa (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.