San Acacio, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Acacio, a community in Costilla County, Colorado.
Overnight
54°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 54. North northeast wind around 15 mph.
7-day forecast for San Acacio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Patchy Smoke | 15 mph NNE | 0% |
| Tuesday | 90°F | Patchy Smoke then Slight Chance Showers And Thunderstorms | 5 to 15 mph E | 23% |
| Tuesday Night | 53°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 20 mph SSE | 21% |
| Wednesday | 89°F | Sunny | 10 to 15 mph WSW | 8% |
| Wednesday Night | 51°F | Partly Cloudy | 5 to 15 mph SE | 9% |
| Thursday | 90°F | Sunny | 5 to 15 mph W | 3% |
| Thursday Night | 53°F | Mostly Clear | 5 to 20 mph SSE | 3% |
| Friday | 90°F | Sunny | 5 to 15 mph NE | 4% |
| Friday Night | 54°F | Mostly Clear | 10 to 15 mph SE | 1% |
| Saturday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSE | 12% |
| Saturday Night | 54°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 to 15 mph SSE | 15% |
| Sunday | 90°F | Sunny | 10 mph S | 7% |
| Sunday Night | 54°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 15 mph SSE | 10% |
| Monday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 11% |
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 Aug 4, 2026.