Darby has a dry climate
Darby has chilly winters and warm summers, with very little rain. A typical July afternoon reaches 85°, a January night drops to 18°. Normal November highs come to 42°, and lows to 24°.
Getting the latest forecast from the National Weather Service…
What stands out about Darby’s weather
Read from 30 years of NOAA records. Each one opens the full story on the Climate page.
Where today sits in Darby’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 Darby.
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 Darby itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Darby, MT (1 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.