Lancaster, PA Weather & Growing Conditions
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. North wind 5 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 5 to 9 mph N | 0% |
| Saturday | 78°F | Mostly Sunny | 6 mph E | 2% |
| Saturday Night | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SE | 17% |
| Sunday | 78°F | Showers And Thunderstorms | 9 to 13 mph S | 85% |
| Sunday Night | 62°F | Showers And Thunderstorms | 6 to 9 mph NW | 85% |
| Monday | 72°F | Chance Rain Showers | 10 mph NE | 39% |
| Monday Night | 56°F | Chance Rain Showers | 8 to 13 mph NE | 39% |
| Tuesday | 65°F | Chance Rain Showers | 15 mph E | 49% |
| Tuesday Night | 52°F | Chance Rain Showers | 15 mph NE | 49% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 42% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 14 mph NE | 46% |
| Thursday | 65°F | Chance Showers And Thunderstorms | 14 mph NE | 46% |
| Thursday Night | 52°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 37% |
| Friday | 69°F | Chance Rain Showers | 12 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lancaster, PA
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
186 days
Hardiness zone
7a
Explore more for Lancaster, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Lancaster 2Ne Fltr Plt, Pa (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.