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Lancaster, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lancaster, a city in Lancaster County, Pennsylvania.

This Afternoon
71°F
Partly Sunny
Partly sunny, with a high near 71. South wind around 7 mph.

7-day forecast for Lancaster

WhenTempForecastWindPrecip
This Afternoon 71°F Partly Sunny 7 mph S 2%
Tonight 51°F Partly Cloudy 6 mph SE 2%
Wednesday 75°F Mostly Sunny 2 to 12 mph S 2%
Wednesday Night 59°F Mostly Cloudy then Chance Rain Showers 9 mph S 37%
Thursday 74°F Rain Showers 8 to 12 mph S 80%
Thursday Night 60°F Rain Showers Likely 2 to 8 mph SW 73%
Friday 70°F Rain Showers Likely 1 to 5 mph NW 73%
Friday Night 49°F Rain Showers Likely 5 mph NW 58%
Saturday 65°F Slight Chance Rain Showers 5 to 12 mph NW 16%
Saturday Night 40°F Slight Chance Rain Showers then Partly Cloudy 6 to 9 mph NW 16%
Sunday 61°F Mostly Sunny 6 to 10 mph W 8%
Sunday Night 39°F Slight Chance Rain Showers 6 to 9 mph W 21%
Monday 60°F Slight Chance Rain Showers 9 to 16 mph NW 22%
Monday Night 38°F Slight Chance Rain Showers 6 to 12 mph W 19%

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

Nearby towns & communities

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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 Nov 4, 2026.