It hardly ever freezes in Sumpter
Sumpter has chilly winters and pleasant summers, with very little rain. A typical July afternoon reaches 82°, a January night drops to 17°. Normal November highs come to 43°, and lows to 24°.
Getting the latest forecast from the National Weather Service…
What stands out about Sumpter’s weather
Read from 30 years of NOAA records. Each one opens the full story on the Climate page.
Where today sits in Sumpter’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 Sumpter.
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 Sumpter itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Austin 3 S, OR (19 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.