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Weather in Boulder, WY · National Weather Service + NOAA

Boulder has real winters

Boulder has cold, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 81°, a January night drops to -2°, and about 42 inches of snow falls in a normal winter.

Right now
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Sunrise 7:18 am · sunset 6:56 pm

Getting the latest forecast from the National Weather Service…

What stands out about Boulder’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
A normal year

Where today sits in Boulder’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
30° / 0°
21 days with an inch or more of snow
Spring
52° / 21°
Frost is rare by spring
Summer
78° / 39°
2 days reach 90° in a normal year
Fall now
56° / 21°
Mild well into the fall

Weather talk

Road reports, first frosts and storm memories from neighbors in Boulder.

Town Square →
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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 Boulder itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Boulder Rearing Stn, WY (2 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.

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