Harman US

Rossiter, PA Weather & Growing Conditions

Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. East wind around 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 54°F Mostly Cloudy 8 mph E 0%
Saturday 71°F Partly Sunny 8 mph SE 3%
Saturday Night 60°F Rain Showers Likely 7 to 12 mph SE 72%
Sunday 71°F Showers And Thunderstorms 9 mph SW 92%
Sunday Night 50°F Chance Rain Showers 7 to 10 mph N 30%
Monday 64°F Chance Rain Showers 10 mph NE 29%
Monday Night 49°F Rain Showers Likely 9 to 15 mph E 58%
Tuesday 57°F Rain Showers Likely 12 to 15 mph E 59%
Tuesday Night 47°F Chance Rain Showers 14 to 18 mph E 53%
Wednesday 57°F Chance Rain Showers 13 to 18 mph E 53%
Wednesday Night 47°F Chance Showers And Thunderstorms 16 mph E 54%
Thursday 60°F Chance Showers And Thunderstorms 8 to 13 mph E 54%
Thursday Night 46°F Chance Showers And Thunderstorms 8 mph E 37%
Friday 64°F Slight Chance Rain Showers 7 mph NE 17%

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 Sep 19, 2026.