Antonito, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Antonito, a town in Conejos County, Colorado.
Today
73°F
Sunny
Sunny, with a high near 73. Southwest wind 5 to 15 mph.
7-day forecast for Antonito
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 5 to 15 mph SW | 9% |
| Tonight | 38°F | Mostly Clear | 5 to 15 mph SW | 8% |
| Sunday | 73°F | Sunny | 0 to 15 mph WSW | 0% |
| Sunday Night | 36°F | Mostly Clear | 0 to 15 mph WSW | 0% |
| Monday | 74°F | Mostly Sunny | 0 to 15 mph WSW | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 to 15 mph SW | 1% |
| Tuesday | 71°F | Showers And Thunderstorms Likely | 0 to 15 mph S | 63% |
| Tuesday Night | 39°F | Showers And Thunderstorms Likely | 5 to 15 mph SSW | 57% |
| Wednesday | 67°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph S | 52% |
| Wednesday Night | 39°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 25% |
| Thursday | 67°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 37% |
| Thursday Night | 40°F | Chance Showers And Thunderstorms | 5 mph SSW | 50% |
| Friday | 67°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph S | 54% |
| Friday Night | 39°F | Chance Showers And Thunderstorms | 10 mph SSW | 37% |
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 Sep 19, 2026.