Antonito, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Antonito, a town in Conejos County, Colorado.
This Afternoon
50°F
Sunny
Sunny, with a high near 50. South southeast wind 5 to 10 mph.
7-day forecast for Antonito
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Sunny | 5 to 10 mph SSE | 0% |
| Tonight | 25°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Wednesday | 54°F | Sunny | 0 to 15 mph SW | 6% |
| Wednesday Night | 25°F | Partly Cloudy | 0 to 15 mph W | 7% |
| Thursday | 51°F | Sunny | 0 to 5 mph NNE | 0% |
| Thursday Night | 24°F | Partly Cloudy | 5 mph SSW | 0% |
| Friday | 51°F | Mostly Sunny | 0 to 10 mph NNW | 11% |
| Friday Night | 23°F | Partly Cloudy | 0 mph | 11% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 3% |
| Saturday Night | 22°F | Mostly Clear | 0 mph | 1% |
| Sunday | 55°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 25°F | Mostly Clear | 0 mph | 0% |
| Monday | 57°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Monday Night | 26°F | Partly Cloudy | 0 to 5 mph WNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Antonito (37.076, -106.010). Updated through the day.
Growing snapshot for Antonito
Last spring frost
May 28
First fall frost
Sep 21
Growing season
115 days
Hardiness zone
5a
More local growing data for Antonito: nearby ZIP 81129 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Manassa, Co (6.4 mi from Antonito). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.