Sinnamahoning’s climate has barely shifted in a century
Sinnamahoning has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 18°, and about 38 inches of snow falls in a normal winter. Normal November highs come to 49°, and lows to 30°.
Getting the latest forecast from the National Weather Service…
What stands out about Sinnamahoning’s weather
Read from 30 years of NOAA records. Each one opens the full story on the Climate page.
Where today sits in Sinnamahoning’s year
Typical highs and lows month by month, from 30 years of NOAA records.
Weather talk
Road reports, first frosts and storm memories from neighbors in Sinnamahoning.
Your answer becomes a post in Town Square.
Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Sinnamahoning itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Sinnemahoning, PA (1 mi, snow) and Stevenson Dam, PA (7 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.