Sinnamahoning, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sinnamahoning, a community in Cameron County, Pennsylvania.
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. East wind around 3 mph.
7-day forecast for Sinnamahoning
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 3 mph E | 0% |
| Wednesday | 76°F | Patchy Fog then Partly Sunny | 1 to 7 mph SE | 2% |
| Wednesday Night | 60°F | Light Rain | 6 mph SE | 97% |
| Thursday | 74°F | Light Rain | 5 to 8 mph SW | 80% |
| Thursday Night | 49°F | Mostly Cloudy | 0 to 3 mph SW | 13% |
| Friday | 69°F | Slight Chance Rain Showers | 2 mph W | 21% |
| Friday Night | 44°F | Slight Chance Rain Showers | 2 mph NW | 20% |
| Saturday | 61°F | Chance Rain Showers | 3 to 7 mph W | 32% |
| Saturday Night | 38°F | Chance Rain Showers then Mostly Cloudy | 6 mph W | 32% |
| Sunday | 59°F | Partly Sunny | 7 mph W | 12% |
| Sunday Night | 36°F | Slight Chance Rain Showers | 7 mph W | 21% |
| Monday | 59°F | Chance Rain Showers | 9 mph W | 30% |
| Monday Night | 36°F | Chance Rain Showers | 8 mph W | 29% |
| Tuesday | 62°F | Mostly Sunny | 10 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov) for Sinnamahoning (41.322, -78.096). Updated through the day.
Growing snapshot for Sinnamahoning
Last spring frost
May 10
First fall frost
Oct 16
Growing season
157 days
Hardiness zone
6a
More local growing data for Sinnamahoning: nearby ZIP 15861 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Stevenson Dam, Pa (3.7 mi from Sinnamahoning). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.