Fort Sumner, NM Weather & Growing Conditions
Tonight
62°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Chance Showers And Thunderstorms | 5 mph SW | 58% |
| Saturday | 90°F | Partly Sunny | 0 to 10 mph SW | 11% |
| Saturday Night | 61°F | Partly Cloudy | 5 to 10 mph SW | 12% |
| Sunday | 90°F | Sunny | 5 mph NW | 3% |
| Sunday Night | 60°F | Mostly Clear | 5 to 10 mph NW | 5% |
| Monday | 84°F | Mostly Sunny | 5 to 15 mph NE | 7% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 52% |
| Tuesday | 77°F | Showers And Thunderstorms | 5 to 10 mph SE | 82% |
| Tuesday Night | 57°F | Showers And Thunderstorms | 5 to 10 mph SE | 87% |
| Wednesday | 72°F | Rain Showers | 5 to 10 mph SE | 85% |
| Wednesday Night | 56°F | Showers And Thunderstorms | 5 mph SE | 80% |
| Thursday | 75°F | Rain Showers Likely | 5 mph SE | 72% |
| Thursday Night | 57°F | Showers And Thunderstorms Likely | 5 mph S | 74% |
| Friday | 74°F | Rain Showers Likely | 5 to 10 mph S | 59% |
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 (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.