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Ault, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ault, a town in Weld County, Colorado.

This Afternoon
57°F
Sunny
Sunny. High near 57, with temperatures falling to around 51 in the afternoon. North northeast wind 7 to 10 mph, with gusts as high as 22 mph.

7-day forecast for Ault

WhenTempForecastWindPrecip
This Afternoon 57°F Sunny 7 to 10 mph NNE 0%
Tonight 31°F Mostly Clear 6 mph NNW 0%
Wednesday 56°F Mostly Sunny 5 mph N 1%
Wednesday Night 33°F Mostly Cloudy 8 mph N 0%
Thursday 59°F Sunny 6 mph WSW 0%
Thursday Night 33°F Partly Cloudy 5 mph NE 0%
Friday 59°F Mostly Sunny 7 mph NE 6%
Friday Night 32°F Mostly Clear 6 mph NNW 6%
Saturday 60°F Sunny 6 mph W 1%
Saturday Night 32°F Clear 3 mph NNW 0%
Sunday 65°F Sunny 1 to 6 mph SSW 0%
Sunday Night 37°F Mostly Clear 1 to 7 mph WNW 0%
Monday 65°F Sunny 7 mph SSE 0%
Monday Night 37°F Partly Cloudy 5 mph NNE 0%

Forecast source: National Weather Service (api.weather.gov) for Ault (40.589, -104.739). Updated through the day.

Growing snapshot for Ault

Last spring frost
May 13
First fall frost
Sep 27
Growing season
136 days
Hardiness zone
5b

More local growing data for Ault: nearby ZIP 80650 weather · frost dates · planting calendar · Colorado frost dates

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Climate data from the nearest NOAA station, Nunn 7 Nne, Co (11 mi from Ault). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.