Grampian, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grampian, a borough in Clearfield County, Pennsylvania.
This Afternoon
73°F
Mostly Sunny
Mostly sunny, with a high near 73. South wind around 5 mph.
7-day forecast for Grampian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 5 mph S | 2% |
| Tonight | 48°F | Mostly Clear | 6 mph E | 2% |
| Wednesday | 73°F | Partly Sunny | 3 to 9 mph SE | 3% |
| Wednesday Night | 58°F | Rain Showers | 9 mph S | 100% |
| Thursday | 69°F | Rain Showers Likely | 7 to 12 mph SW | 68% |
| Thursday Night | 48°F | Mostly Cloudy | 1 to 5 mph SW | 13% |
| Friday | 64°F | Slight Chance Rain Showers | 1 to 6 mph W | 17% |
| Friday Night | 43°F | Slight Chance Rain Showers | 5 mph NW | 22% |
| Saturday | 55°F | Chance Rain Showers | 6 to 10 mph W | 32% |
| Saturday Night | 35°F | Chance Rain Showers then Mostly Cloudy | 8 mph W | 32% |
| Sunday | 53°F | Partly Sunny then Slight Chance Rain Showers | 7 to 10 mph W | 15% |
| Sunday Night | 34°F | Slight Chance Rain Showers | 8 to 13 mph W | 23% |
| Monday | 53°F | Chance Rain Showers | 10 to 16 mph W | 31% |
| Monday Night | 34°F | Chance Rain Showers | 9 to 14 mph W | 31% |
Forecast source: National Weather Service (api.weather.gov) for Grampian (40.964, -78.612). Updated through the day.
Growing snapshot for Grampian
Last spring frost
May 4
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
6a
More local growing data for Grampian: nearby ZIP 16833 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Grampian 1E, Pa (1.8 mi from Grampian). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.