Port Clinton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Clinton, a borough in Schuylkill County, Pennsylvania.
This Afternoon
72°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 72. Southeast wind around 0 mph. Chance of precipitation is 20%.
7-day forecast for Port Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Slight Chance Rain Showers | 0 mph | 15% |
| Tonight | 58°F | Rain Showers | 0 to 5 mph SE | 84% |
| Sunday | 73°F | Rain Showers | 5 mph S | 94% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely then Mostly Cloudy | 5 mph W | 73% |
| Monday | 70°F | Partly Sunny then Chance Rain Showers | 5 mph NE | 25% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 10 mph NE | 39% |
| Tuesday | 62°F | Chance Rain Showers | 5 to 10 mph NE | 44% |
| Tuesday Night | 48°F | Chance Rain Showers | 5 to 15 mph NE | 38% |
| Wednesday | 61°F | Chance Rain Showers | 10 to 15 mph E | 25% |
| Wednesday Night | 48°F | Slight Chance Rain Showers | 10 to 15 mph NE | 23% |
| Thursday | 61°F | Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Thursday Night | 48°F | Chance Rain Showers | 5 to 10 mph NE | 29% |
| Friday | 66°F | Chance Rain Showers | 10 mph N | 28% |
| Friday Night | 48°F | Chance Rain Showers | 10 mph N | 28% |
Forecast source: National Weather Service (api.weather.gov) for Port Clinton (40.583, -76.031). Updated through the day.
Growing snapshot for Port Clinton
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
189 days
Hardiness zone
7a
More local growing data for Port Clinton: nearby ZIP 19549 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Hamburg, Pa (3 mi from Port Clinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.