Lancaster, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lancaster, a city in Lancaster County, Pennsylvania.
This Afternoon
83°F
Partly Sunny
Partly sunny, with a high near 83. North wind around 9 mph.
7-day forecast for Lancaster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Partly Sunny | 9 mph N | 0% |
| 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 | 16% |
| Sunday | 78°F | Showers And Thunderstorms | 9 to 13 mph S | 85% |
| Sunday Night | 61°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 NE | 48% |
| Tuesday Night | 52°F | Chance Rain Showers | 15 mph NE | 48% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 42% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 14 mph NE | 45% |
| Thursday | 65°F | Chance Showers And Thunderstorms | 14 mph NE | 45% |
| Thursday Night | 52°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Lancaster (40.042, -76.301). Updated through the day.
Growing snapshot for Lancaster
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
186 days
Hardiness zone
7a
More local growing data for Lancaster: nearby ZIP 17603 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Lancaster 2Ne Fltr Plt, Pa (3.3 mi from Lancaster). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.