Rossiter, PA Weather & Growing Conditions
Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southeast wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 5 to 8 mph SE | 2% |
| Wednesday | 74°F | Partly Sunny | 9 mph SE | 3% |
| Wednesday Night | 59°F | Light Rain | 13 mph S | 99% |
| Thursday | 68°F | Light Rain Likely | 7 to 12 mph SW | 67% |
| Thursday Night | 49°F | Mostly Cloudy | 2 to 6 mph SW | 11% |
| Friday | 62°F | Partly Sunny then Slight Chance Light Rain | 6 mph W | 15% |
| Friday Night | 44°F | Chance Light Rain | 3 to 7 mph NW | 25% |
| Saturday | 53°F | Chance Light Rain | 7 to 12 mph W | 34% |
| Saturday Night | 38°F | Chance Light Rain then Mostly Cloudy | 8 mph W | 34% |
| Sunday | 52°F | Partly Sunny then Slight Chance Light Rain | 7 to 10 mph W | 17% |
| Sunday Night | 37°F | Slight Chance Light Rain | 8 to 14 mph W | 22% |
| Monday | 52°F | Chance Light Rain | 12 to 15 mph W | 32% |
| Monday Night | 38°F | Chance Light Rain | 9 to 15 mph SW | 32% |
| Tuesday | 56°F | Mostly Sunny | 14 to 17 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rossiter, PA
Last spring frost
May 4
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
6a
Explore more for Rossiter, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Grampian 1E, Pa (17.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.