Ault, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ault, a town in Weld County, Colorado.
Today
76°F
Patchy Smoke
Patchy smoke. Mostly sunny, with a high near 76. East southeast wind 9 to 13 mph, with gusts as high as 21 mph.
7-day forecast for Ault
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Patchy Smoke | 9 to 13 mph ESE | 3% |
| Tonight | 54°F | Patchy Smoke | 6 to 14 mph E | 7% |
| Wednesday | 85°F | Patchy Smoke | 6 to 12 mph E | 0% |
| Wednesday Night | 55°F | Patchy Smoke then Mostly Clear | 5 to 13 mph ENE | 1% |
| Thursday | 94°F | Sunny | 5 to 12 mph NNW | 0% |
| Thursday Night | 58°F | Mostly Clear | 6 to 12 mph NNE | 1% |
| Friday | 96°F | Sunny | 3 to 12 mph E | 0% |
| Friday Night | 61°F | Mostly Clear | 5 to 12 mph SSE | 0% |
| Saturday | 99°F | Sunny | 6 to 14 mph NW | 0% |
| Saturday Night | 62°F | Partly Cloudy | 7 to 14 mph N | 1% |
| Sunday | 98°F | Sunny | 6 to 13 mph ENE | 5% |
| Sunday Night | 63°F | Partly Cloudy | 9 to 14 mph NW | 5% |
| Monday | 96°F | Sunny | 8 to 14 mph NNE | 12% |
| Monday Night | 63°F | Mostly Cloudy | 10 to 15 mph NNW | 12% |
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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Severance
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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 Aug 4, 2026.