Grier City, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grier City, a community in Schuylkill County, Pennsylvania.
Overnight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. South wind around 2 mph.
7-day forecast for Grier City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Partly Cloudy | 2 mph S | 0% |
| Wednesday | 69°F | Mostly Sunny | 2 to 6 mph S | 1% |
| Wednesday Night | 57°F | Mostly Cloudy then Chance Light Rain | 5 to 8 mph S | 41% |
| Thursday | 65°F | Light Rain | 3 to 9 mph S | 97% |
| Thursday Night | 54°F | Chance Light Rain | 0 to 3 mph W | 49% |
| Friday | 64°F | Chance Light Rain | 1 mph W | 27% |
| Friday Night | 46°F | Chance Light Rain then Partly Cloudy | 3 mph NW | 26% |
| Saturday | 56°F | Mostly Sunny then Slight Chance Light Rain | 7 mph NW | 24% |
| Saturday Night | 40°F | Slight Chance Light Rain | 9 mph NW | 24% |
| Sunday | 53°F | Mostly Sunny | 5 to 8 mph NW | 9% |
| Sunday Night | 37°F | Partly Cloudy | 7 mph W | 5% |
| Monday | 53°F | Mostly Sunny | 6 to 10 mph NW | 8% |
| Monday Night | 36°F | Mostly Clear | 6 mph W | 6% |
| Tuesday | 56°F | Mostly Sunny | 5 to 8 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov) for Grier City (40.827, -76.058). Updated through the day.
Growing snapshot for Grier City
Last spring frost
Apr 30
First fall frost
Oct 22
Growing season
175 days
Hardiness zone
6b
More local growing data for Grier City: nearby ZIP 18220 weather · frost dates · planting calendar · Pennsylvania frost dates
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Mahanoy City
Climate data from the nearest NOAA station, Mahanoy City 2 N, Pa (3.2 mi from Grier City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.