Grants, NM Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grants, a city in Cibola County, New Mexico.
This Afternoon
74°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3pm, then showers and thunderstorms. Mostly cloudy. High near 74, with temperatures falling to around 70 in the afternoon. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Grants
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Chance Showers And Thunderstorms | 5 mph S | 74% |
| Tonight | 51°F | Scattered Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 40% |
| Saturday | 78°F | Mostly Sunny then Scattered Showers And Thunderstorms | 0 to 10 mph S | 40% |
| Saturday Night | 48°F | Partly Cloudy | 0 to 10 mph W | 13% |
| Sunday | 78°F | Sunny | 0 to 5 mph NW | 1% |
| Sunday Night | 50°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Monday | 77°F | Partly Sunny | 0 to 10 mph S | 1% |
| Monday Night | 51°F | Mostly Cloudy | 0 to 5 mph SE | 4% |
| Tuesday | 73°F | Showers And Thunderstorms | 5 to 20 mph SE | 76% |
| Tuesday Night | 50°F | Showers And Thunderstorms | 5 to 10 mph SE | 77% |
| Wednesday | 70°F | Showers And Thunderstorms | 5 to 10 mph SE | 76% |
| Wednesday Night | 49°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 55% |
| Thursday | 70°F | Showers And Thunderstorms Likely | 0 to 10 mph SE | 62% |
| Thursday Night | 50°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 57% |
Forecast source: National Weather Service (api.weather.gov) for Grants (35.154, -107.832). Updated through the day.
Growing snapshot for Grants
Last spring frost
May 17
First fall frost
Oct 3
Growing season
137 days
Hardiness zone
6a
More local growing data for Grants: nearby ZIP 87021 weather · frost dates · planting calendar · New Mexico frost dates
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Climate data from the nearest NOAA station, Grants Ap, Nm (2.1 mi from Grants). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.