San Acacio, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Acacio, a community in Costilla County, Colorado.
Tonight
27°F
Mostly Clear
Mostly clear, with a low around 27. South wind 5 to 10 mph.
7-day forecast for San Acacio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 27°F | Mostly Clear | 5 to 10 mph S | 0% |
| Wednesday | 53°F | Sunny then Slight Chance Rain Showers | 5 to 20 mph SSW | 18% |
| Wednesday Night | 26°F | Partly Cloudy then Slight Chance Rain And Snow Showers | 0 to 15 mph NW | 21% |
| Thursday | 50°F | Sunny | 0 to 5 mph NW | 1% |
| Thursday Night | 25°F | Partly Cloudy | 5 mph S | 0% |
| Friday | 52°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Friday Night | 25°F | Mostly Clear | 0 to 5 mph NNE | 10% |
| Saturday | 52°F | Sunny | 5 mph N | 3% |
| Saturday Night | 24°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Sunday | 56°F | Sunny | 0 to 5 mph SW | 0% |
| Sunday Night | 27°F | Mostly Clear | 5 mph S | 0% |
| Monday | 58°F | Sunny | 5 mph SSW | 2% |
| Monday Night | 29°F | Partly Cloudy | 5 mph S | 1% |
| Tuesday | 57°F | Mostly Sunny | 5 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov) for San Acacio (37.209, -105.567). Updated through the day.
Growing snapshot for San Acacio
Last spring frost
May 28
First fall frost
Sep 21
Growing season
115 days
Hardiness zone
5a
More local growing data for San Acacio: nearby ZIP 81151 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Manassa, Co (13.4 mi from San Acacio). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.