Swartzville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Swartzville, a community in Lancaster County, Pennsylvania.
Tonight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. North wind 6 to 9 mph.
7-day forecast for Swartzville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Partly Cloudy | 6 to 9 mph N | 0% |
| Saturday | 75°F | Mostly Sunny | 7 mph E | 2% |
| Saturday Night | 61°F | Mostly Cloudy then Chance Rain Showers | 6 to 9 mph SE | 28% |
| Sunday | 75°F | Showers And Thunderstorms | 9 to 13 mph S | 89% |
| Sunday Night | 61°F | Showers And Thunderstorms | 6 to 9 mph NW | 89% |
| Monday | 70°F | Chance Rain Showers | 12 mph NE | 37% |
| Monday Night | 56°F | Chance Rain Showers | 9 to 15 mph NE | 37% |
| Tuesday | 62°F | Chance Rain Showers | 16 mph NE | 44% |
| Tuesday Night | 51°F | Chance Rain Showers | 17 mph NE | 44% |
| Wednesday | 61°F | Chance Rain Showers | 17 mph NE | 39% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms | 16 mph NE | 42% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 15 mph NE | 42% |
| Thursday Night | 51°F | Chance Showers And Thunderstorms | 7 to 13 mph NE | 35% |
| Friday | 68°F | Chance Rain Showers | 12 mph N | 28% |
Forecast source: National Weather Service (api.weather.gov) for Swartzville (40.229, -76.079). Updated through the day.
Growing snapshot for Swartzville
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
176 days
Hardiness zone
7a
More local growing data for Swartzville: nearby ZIP 19501 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Blue Marsh Lake, Pa (9.6 mi from Swartzville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.