Fort Sumner, NM Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Sumner, a village in De Baca County, New Mexico.
Today
99°F
Sunny
Sunny, with a high near 99. South wind around 10 mph.
7-day forecast for Fort Sumner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 10 mph S | 1% |
| Tonight | 70°F | Partly Cloudy | 10 mph SE | 6% |
| Wednesday | 97°F | Sunny | 10 to 15 mph S | 0% |
| Wednesday Night | 69°F | Partly Cloudy | 10 to 15 mph S | 13% |
| Thursday | 98°F | Sunny | 10 mph S | 6% |
| Thursday Night | 69°F | Partly Cloudy | 5 to 10 mph S | 12% |
| Friday | 98°F | Sunny | 5 to 10 mph S | 2% |
| Friday Night | 68°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 | 69°F | Mostly Clear | 5 to 10 mph S | 1% |
| Sunday | 98°F | Sunny | 5 to 15 mph S | 0% |
| Sunday Night | 69°F | Mostly Clear | 10 to 15 mph S | 0% |
| Monday | 99°F | Sunny | 10 to 15 mph S | 0% |
| Monday Night | 69°F | Mostly Clear | 10 to 15 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Fort Sumner (34.487, -104.218). Updated through the day.
Growing snapshot for Fort Sumner
Last spring frost
Apr 18
First fall frost
Oct 26
Growing season
190 days
Hardiness zone
7a
More local growing data for Fort Sumner: nearby ZIP 88119 weather · frost dates · planting calendar · New Mexico frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ft Sumner 5 S, Nm (7.2 mi from Fort Sumner). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.