Los Alamos, NM Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Los Alamos, a community in Los Alamos County, New Mexico.
Overnight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. West wind around 0 mph.
7-day forecast for Los Alamos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Partly Cloudy | 0 mph | 4% |
| Saturday | 74°F | Mostly Sunny then Scattered Showers And Thunderstorms | 0 to 10 mph S | 38% |
| Saturday Night | 51°F | Isolated Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 21% |
| Sunday | 74°F | Sunny | 0 to 5 mph W | 2% |
| Sunday Night | 51°F | Partly Cloudy | 5 mph NW | 1% |
| Monday | 74°F | Mostly Sunny | 0 to 10 mph E | 1% |
| Monday Night | 54°F | Mostly Cloudy | 0 to 5 mph SW | 12% |
| Tuesday | 70°F | Showers And Thunderstorms | 5 to 10 mph S | 76% |
| Tuesday Night | 52°F | Showers And Thunderstorms | 5 mph S | 86% |
| Wednesday | 65°F | Rain Showers | 5 mph S | 81% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 53% |
| Thursday | 66°F | Rain Showers Likely | 0 to 5 mph SE | 68% |
| Thursday Night | 52°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 69% |
| Friday | 67°F | Showers And Thunderstorms | 0 to 5 mph S | 75% |
Forecast source: National Weather Service (api.weather.gov) for Los Alamos (35.894, -106.290). Updated through the day.
Growing snapshot for Los Alamos
Last spring frost
May 2
First fall frost
Oct 12
Growing season
162 days
Hardiness zone
7b
More local growing data for Los Alamos: nearby ZIP 87547 weather · frost dates · planting calendar · New Mexico frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Los Alamos, Nm (7.4 mi from Los Alamos). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.