Sinnamahoning, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sinnamahoning, a community in Cameron County, Pennsylvania.
Today
87°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 87. Southeast wind around 2 mph.
7-day forecast for Sinnamahoning
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Patchy Fog then Sunny | 2 mph SE | 0% |
| Tonight | 62°F | Partly Cloudy then Patchy Fog | 2 mph SE | 0% |
| Wednesday | 87°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph SE | 32% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 48% |
| Thursday | 88°F | Showers And Thunderstorms | 0 to 5 mph SW | 86% |
| Thursday Night | 68°F | Showers And Thunderstorms | 2 mph SW | 86% |
| Friday | 87°F | Showers And Thunderstorms | 0 to 3 mph SW | 82% |
| Friday Night | 67°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 82% |
| Saturday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph W | 45% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 mph W | 45% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 15% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 15% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph W | 37% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 37% |
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 Aug 4, 2026.