Costilla, NM Weather & Growing Conditions
Today
66°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Some of the storms could be severe. Mostly sunny. High near 66, with temperatures falling to around 59 in the afternoon. Southwest wind 5 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 15 mph SW | 32% |
| Tonight | 46°F | Chance Showers And Thunderstorms then Partly Cloudy | 10 to 15 mph S | 26% |
| Wednesday | 67°F | Sunny | 10 to 15 mph W | 11% |
| Wednesday Night | 45°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 15 mph S | 19% |
| Thursday | 67°F | Sunny | 5 to 10 mph W | 7% |
| Thursday Night | 46°F | Mostly Clear | 5 to 10 mph SE | 7% |
| Friday | 67°F | Sunny | 5 to 10 mph N | 14% |
| Friday Night | 46°F | Mostly Clear | 5 to 15 mph SE | 1% |
| Saturday | 67°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 15% |
| Saturday Night | 47°F | Partly Cloudy | 10 mph S | 3% |
| Sunday | 67°F | Sunny then Slight Chance Showers And Thunderstorms | 10 mph W | 15% |
| Sunday Night | 47°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 mph S | 15% |
| Monday | 67°F | Mostly Sunny then Chance Showers And Thunderstorms | 10 mph W | 32% |
| Monday Night | 46°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph SW | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Costilla, NM
Last spring frost
Jun 19
First fall frost
Sep 7
Growing season
77 days
Hardiness zone
6a
Explore more for Costilla, NM: full frost dates · planting calendar · New Mexico frost dates
Climate data from the nearest NOAA station, Red River, Nm (15.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.