Grenville, NM Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grenville, a village in Union County, New Mexico.
This Afternoon
52°F
Sunny
Sunny. High near 52, with temperatures falling to around 46 in the afternoon. Northwest wind 5 to 20 mph.
7-day forecast for Grenville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Sunny | 5 to 20 mph NW | 0% |
| Tonight | 33°F | Clear | 5 mph SW | 0% |
| Wednesday | 57°F | Sunny | 5 to 20 mph SW | 6% |
| Wednesday Night | 36°F | Scattered Rain Showers then Scattered Rain And Snow Showers | 15 to 20 mph NW | 30% |
| Thursday | 53°F | Sunny | 5 to 20 mph N | 2% |
| Thursday Night | 33°F | Mostly Clear | 5 to 10 mph W | 0% |
| Friday | 57°F | Mostly Sunny | 5 to 15 mph SW | 6% |
| Friday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 6% |
| Saturday | 58°F | Sunny | 5 to 10 mph N | 4% |
| Saturday Night | 34°F | Mostly Clear | 5 mph NW | 2% |
| Sunday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Sunday Night | 39°F | Mostly Clear | 10 to 15 mph SW | 0% |
| Monday | 67°F | Sunny | 10 mph SW | 0% |
| Monday Night | 40°F | Partly Cloudy | 5 to 10 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Grenville (36.591, -103.615). Updated through the day.
Growing snapshot for Grenville
Last spring frost
May 5
First fall frost
Oct 7
Growing season
153 days
Hardiness zone
6b
More local growing data for Grenville: nearby ZIP 88424 weather · frost dates · planting calendar · New Mexico frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pasamonte, Nm (10.6 mi from Grenville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.