Grampian, PA Weather & Growing Conditions
Today
80°F
Sunny
Sunny, with a high near 80. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 5 mph SE | 0% |
| Tonight | 61°F | Partly Cloudy | 5 mph SE | 0% |
| Wednesday | 80°F | Mostly Cloudy then Chance Showers And Thunderstorms | 3 to 7 mph SE | 44% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms | 6 mph SE | 48% |
| Thursday | 80°F | Showers And Thunderstorms | 3 to 7 mph S | 84% |
| Thursday Night | 67°F | Showers And Thunderstorms | 5 mph SW | 84% |
| Friday | 79°F | Showers And Thunderstorms | 3 to 7 mph SW | 81% |
| Friday Night | 64°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 81% |
| Saturday | 79°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 8 mph SW | 47% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 47% |
| Sunday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 21% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 21% |
| Monday | 81°F | Chance Showers And Thunderstorms | 12 mph W | 39% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 9 mph W | 44% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grampian, PA
Last spring frost
May 4
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
6a
Explore more for Grampian, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Grampian 1E, Pa (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.