Boulder, Colorado Weather Forecast
Boulder is in Boulder County, Colorado. This page has current conditions, radar, a 7-day forecast, observed rainfall and the NWS written forecast for the area.
Active Weather Alerts
7-Day Forecast for Boulder
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Growing Conditions
Growing degree days
3,367
since Apr 1, base 50°F
Rain, last 30 days
0.67 in
model analysis
Rain, year to date
11.17 in
since Jan 1
2-inch soil temperature
64°F
yesterday, daily average
Reference ET, last 7 days
0.92 in
FAO-56 grass reference
Through Oct 23. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Boulder →
Current Stats & Observations
NWS Forecast
About Boulder Weather
Boulder sits at about 5,269 feet above sea level in Boulder County, Colorado. About 124,345 people live in the Boulder area. Official forecasts and warnings for the area come from the National Weather Service BOU office, and the nearest NEXRAD radar site is KFTG. The city is in USDA plant hardiness zone 6a, where the coldest winter night typically falls between -10 to -5°F. Over the past ten years the last spring freeze has come around May 12 and the first fall freeze around Oct 14.
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