Fort Sumner, NM Weather & Growing Conditions
Overnight
63°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a low around 63. South wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Slight Chance Rain Showers | 0 mph | 15% |
| Saturday | 93°F | Partly Sunny | 0 to 10 mph SW | 5% |
| Saturday Night | 61°F | Isolated Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SW | 16% |
| Sunday | 92°F | Sunny | 0 to 5 mph NW | 2% |
| Sunday Night | 60°F | Mostly Clear | 0 to 5 mph NE | 6% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 20% |
| Monday Night | 59°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 20 mph SE | 50% |
| Tuesday | 79°F | Showers And Thunderstorms | 5 to 10 mph SE | 87% |
| Tuesday Night | 57°F | Showers And Thunderstorms | 5 to 10 mph SE | 89% |
| Wednesday | 75°F | Showers And Thunderstorms | 5 to 10 mph S | 90% |
| Wednesday Night | 57°F | Showers And Thunderstorms | 5 mph SE | 78% |
| Thursday | 78°F | Rain Showers | 5 to 10 mph S | 75% |
| Thursday Night | 58°F | Showers And Thunderstorms Likely | 5 mph SE | 70% |
| Friday | 80°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph S | 52% |
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 Sep 19, 2026.