Fort Sumner, NM Weather & Growing Conditions
Today
100°F
Sunny
Sunny, with a high near 100. South wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 10 to 15 mph S | 1% |
| Tonight | 71°F | Partly Cloudy | 15 mph S | 5% |
| Wednesday | 98°F | Sunny | 15 mph S | 1% |
| Wednesday Night | 70°F | Partly Cloudy | 10 to 15 mph S | 11% |
| Thursday | 99°F | Sunny | 10 to 15 mph S | 7% |
| Thursday Night | 70°F | Partly Cloudy | 10 to 15 mph S | 14% |
| Friday | 98°F | Sunny | 10 mph S | 2% |
| Friday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 15% |
| Saturday | 98°F | Sunny | 5 to 10 mph S | 1% |
| Saturday Night | 70°F | Mostly Clear | 10 to 15 mph S | 1% |
| Sunday | 99°F | Sunny | 10 to 15 mph S | 0% |
| Sunday Night | 70°F | Mostly Clear | 15 mph S | 1% |
| Monday | 100°F | Sunny | 15 mph S | 0% |
| Monday Night | 70°F | Mostly Clear | 10 to 15 mph S | 1% |
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 Aug 4, 2026.