Costilla, CO Weather & Growing Conditions
Today
54°F
Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Sunny, with a high near 54. Southwest wind 10 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Sunny then Slight Chance Rain Showers | 10 to 20 mph SW | 17% |
| Tonight | 24°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 15 mph ESE | 15% |
| Thursday | 51°F | Sunny | 0 to 10 mph NNW | 5% |
| Thursday Night | 25°F | Mostly Cloudy | 0 to 5 mph SE | 0% |
| Friday | 52°F | Partly Sunny | 0 to 5 mph SSW | 2% |
| Friday Night | 23°F | Mostly Clear | 0 to 5 mph ENE | 2% |
| Saturday | 53°F | Sunny | 0 to 10 mph NNE | 3% |
| Saturday Night | 22°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Sunday | 55°F | Sunny | 0 to 5 mph NNE | 0% |
| Sunday Night | 25°F | Mostly Clear | 0 mph | 0% |
| Monday | 58°F | Sunny | 0 to 5 mph NNE | 1% |
| Monday Night | 27°F | Partly Cloudy | 0 mph | 1% |
| Tuesday | 57°F | Mostly Sunny | 0 to 5 mph WSW | 1% |
| Tuesday Night | 27°F | Partly Cloudy | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Costilla, CO
Last spring frost
May 31
First fall frost
Sep 23
Growing season
115 days
Hardiness zone
5a
Explore more for Costilla, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, San Luis 1 S, Co (16.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.