Fort Sumner, NM Weather & Growing Conditions
Today
65°F
Sunny
Sunny. High near 65, with temperatures falling to around 60 in the afternoon. South wind 5 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Sunny | 5 to 15 mph S | 1% |
| Tonight | 44°F | Clear | 0 to 10 mph SW | 1% |
| Thursday | 60°F | Sunny | 5 to 15 mph N | 0% |
| Thursday Night | 36°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Friday | 61°F | Mostly Sunny | 0 to 5 mph S | 1% |
| Friday Night | 40°F | Mostly Cloudy | 0 to 5 mph S | 13% |
| Saturday | 60°F | Slight Chance Rain Showers | 0 to 5 mph S | 15% |
| Saturday Night | 39°F | Mostly Clear | 0 mph | 2% |
| Sunday | 63°F | Sunny | 0 mph | 2% |
| Sunday Night | 39°F | Mostly Clear | 0 to 5 mph SW | 1% |
| Monday | 65°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 41°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Tuesday | 67°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Tuesday Night | 44°F | Partly Cloudy | 0 to 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fort Sumner, NM
Last spring frost
Apr 18
First fall frost
Oct 26
Growing season
190 days
Hardiness zone
7a
Explore more for Fort Sumner, NM: full frost dates · planting calendar · New Mexico frost dates
Climate data from the nearest NOAA station, Ft Sumner 5 S, Nm (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.