Witmer, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Witmer, a community in Lancaster County, Pennsylvania.
Tonight
62°F
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after 2am. Mostly cloudy, with a low around 62. Southeast wind around 12 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Witmer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Chance Rain Showers | 12 mph SE | 50% |
| Sunday | 80°F | Rain Showers | 9 to 15 mph S | 81% |
| Sunday Night | 58°F | Showers And Thunderstorms then Mostly Cloudy | 5 to 9 mph W | 91% |
| Monday | 72°F | Mostly Cloudy then Chance Rain Showers | 10 mph NE | 31% |
| Monday Night | 53°F | Chance Rain Showers | 6 to 12 mph NE | 47% |
| Tuesday | 65°F | Chance Rain Showers | 13 mph NE | 54% |
| Tuesday Night | 50°F | Chance Rain Showers | 9 to 14 mph NE | 45% |
| Wednesday | 63°F | Chance Rain Showers | 16 mph NE | 35% |
| Wednesday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 26% |
| Thursday | 63°F | Slight Chance Rain Showers | 15 mph NE | 24% |
| Thursday Night | 49°F | Chance Rain Showers | 8 to 13 mph NE | 29% |
| Friday | 67°F | Chance Rain Showers | 14 mph N | 27% |
| Friday Night | 50°F | Chance Rain Showers | 7 to 14 mph N | 27% |
| Saturday | 71°F | Slight Chance Rain Showers | 14 mph N | 20% |
Forecast source: National Weather Service (api.weather.gov) for Witmer (40.051, -76.210). Updated through the day.
Growing snapshot for Witmer
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
186 days
Hardiness zone
7a
More local growing data for Witmer: nearby ZIP 17576 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Lancaster 2Ne Fltr Plt, Pa (4.1 mi from Witmer). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.