Mammoth stays cool in summer
Mammoth has chilly winters and cool summers. A typical July afternoon reaches 74°, a January night drops to 16°.
Getting the latest forecast from the National Weather Service…
What stands out about Mammoth’s weather
Read from 30 years of NOAA records. Each one opens the full story on the Climate page.
Where today sits in Mammoth’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 Mammoth.
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 Mammoth itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Laurin 2ne, MT (21 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.