Harman US

Windsor, CO Weather & Growing Conditions

This Afternoon
59°F
Sunny
Sunny. High near 59, with temperatures falling to around 54 in the afternoon. Northeast wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 59°F Sunny 6 mph NE 0%
Tonight 32°F Mostly Clear 5 mph W 0%
Wednesday 57°F Mostly Sunny 5 mph NNE 2%
Wednesday Night 34°F Mostly Cloudy 6 mph NNW 1%
Thursday 60°F Sunny 5 mph SSW 0%
Thursday Night 33°F Partly Cloudy 3 mph W 1%
Friday 60°F Mostly Sunny 6 mph E 6%
Friday Night 32°F Mostly Clear 5 mph WNW 6%
Saturday 61°F Sunny 6 mph SW 1%
Saturday Night 32°F Clear 3 mph WNW 0%
Sunday 65°F Sunny 5 mph S 0%
Sunday Night 37°F Mostly Clear 5 mph W 0%
Monday 66°F Sunny 3 to 7 mph S 0%
Monday Night 37°F Partly Cloudy 5 mph N 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Windsor, CO

Last spring frost
May 3
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5b

Explore more for Windsor, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Ft Collins 4 E, Co (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.