Johnstown has a dry climate
Johnstown has chilly, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 90°, a January night drops to 15°, and about 47 inches of snow falls in a normal winter. In November, a normal day reaches 53° and a normal night drops to 24°.
Getting the latest forecast from the National Weather Service…
What stands out about Johnstown’s weather
Read from 30 years of NOAA records. Each one opens the full story on the Climate page.
Where today sits in Johnstown’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 Johnstown.
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 Johnstown itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Loveland 2n, CO (13 mi, snow) and Longmont 2 Ese, CO (13 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.