Grenville, NM Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grenville, a village in Union County, New Mexico.
Today
82°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 8am. Mostly sunny, with a high near 82. Northeast wind 10 to 30 mph, with gusts as high as 40 mph.
7-day forecast for Grenville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Patchy Smoke then Mostly Sunny | 10 to 30 mph NE | 4% |
| Tonight | 60°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph S | 21% |
| Wednesday | 89°F | Sunny then Chance Showers And Thunderstorms | 10 to 20 mph SW | 44% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 27% |
| Thursday | 91°F | Sunny | 5 to 15 mph SW | 6% |
| Thursday Night | 62°F | Partly Cloudy | 15 mph SW | 9% |
| Friday | 92°F | Sunny | 5 to 15 mph S | 9% |
| Friday Night | 62°F | Mostly Clear | 10 to 15 mph SW | 5% |
| Saturday | 93°F | Sunny | 10 to 15 mph SW | 4% |
| Saturday Night | 63°F | Mostly Clear | 15 mph SW | 1% |
| Sunday | 94°F | Sunny | 15 mph SW | 2% |
| Sunday Night | 64°F | Mostly Clear | 15 mph SW | 0% |
| Monday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 15 to 20 mph SW | 15% |
| Monday Night | 64°F | Partly Cloudy | 15 to 20 mph SW | 4% |
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 Aug 4, 2026.