Lake Sumner, NM Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Sumner, a community in De Baca County, New Mexico.
Overnight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. South wind around 10 mph.
7-day forecast for Lake Sumner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Partly Cloudy | 10 mph S | 1% |
| Tuesday | 97°F | Sunny | 5 to 10 mph SE | 1% |
| Tuesday Night | 71°F | Partly Cloudy | 10 mph SE | 9% |
| Wednesday | 96°F | Sunny | 10 to 15 mph S | 0% |
| Wednesday Night | 69°F | Isolated Showers And Thunderstorms then Mostly Cloudy | 5 to 15 mph S | 23% |
| Thursday | 96°F | Sunny | 5 to 10 mph S | 4% |
| Thursday Night | 69°F | Partly Cloudy | 5 to 10 mph S | 12% |
| Friday | 96°F | Sunny | 5 to 10 mph S | 2% |
| Friday Night | 68°F | Partly Cloudy | 0 to 10 mph S | 14% |
| Saturday | 96°F | Sunny | 0 to 10 mph S | 1% |
| Saturday Night | 69°F | Mostly Clear | 5 to 10 mph S | 1% |
| Sunday | 97°F | Sunny | 5 to 15 mph S | 0% |
| Sunday Night | 70°F | Mostly Clear | 10 to 15 mph S | 1% |
| Monday | 97°F | Sunny | 10 to 15 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Lake Sumner (34.624, -104.402). Updated through the day.
Growing snapshot for Lake Sumner
Last spring frost
Apr 18
First fall frost
Oct 26
Growing season
190 days
Hardiness zone
7a
More local growing data for Lake 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 Lake Sumner). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.