Witmer, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Witmer, a community in Lancaster County, Pennsylvania.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind 0 to 5 mph.
7-day forecast for Witmer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy then Patchy Fog | 2 mph E | 6% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 2 to 7 mph E | 68% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 3 to 7 mph SE | 47% |
| Thursday | 89°F | Partly Sunny then Showers And Thunderstorms Likely | 5 to 10 mph S | 63% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely | 2 to 9 mph S | 63% |
| Friday | 89°F | Mostly Sunny then Showers And Thunderstorms Likely | 2 to 7 mph SW | 65% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 6 mph SW | 65% |
| Saturday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 7 mph W | 50% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 50% |
| Sunday | 88°F | Mostly Sunny | 2 to 6 mph W | 14% |
| Sunday Night | 70°F | Partly Cloudy | 5 mph SW | 14% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 9 mph W | 23% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 23% |
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 Aug 4, 2026.