Costilla, NM Weather & Growing Conditions
This Afternoon
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 45 in the afternoon. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 28°F | Mostly Clear | 5 to 10 mph S | 0% |
| Wednesday | 53°F | Sunny then Isolated Rain Showers | 5 to 20 mph SW | 16% |
| Wednesday Night | 27°F | Isolated Rain Showers then Partly Cloudy | 0 to 15 mph SE | 16% |
| Thursday | 50°F | Sunny | 0 to 5 mph N | 1% |
| Thursday Night | 27°F | Partly Cloudy | 5 to 10 mph SE | 0% |
| Friday | 51°F | Mostly Sunny | 0 to 5 mph W | 9% |
| Friday Night | 27°F | Partly Cloudy | 0 to 5 mph E | 9% |
| Saturday | 52°F | Sunny | 0 to 10 mph N | 5% |
| Saturday Night | 27°F | Mostly Clear | 0 to 5 mph E | 1% |
| Sunday | 56°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 30°F | Mostly Clear | 0 mph | 0% |
| Monday | 58°F | Sunny | 0 to 5 mph SW | 2% |
| Monday Night | 32°F | Partly Cloudy | 0 to 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Costilla, NM
Last spring frost
May 31
First fall frost
Sep 26
Growing season
116 days
Hardiness zone
5a
Explore more for Costilla, NM: full frost dates · planting calendar · New Mexico frost dates
Climate data from the nearest NOAA station, Cerro, Nm (16.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.