Grover, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grover, a town in Weld County, Colorado.
This Afternoon
54°F
Sunny
Sunny. High near 54, with temperatures falling to around 47 in the afternoon. North northwest wind 9 to 21 mph, with gusts as high as 32 mph.
7-day forecast for Grover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Sunny | 9 to 21 mph NNW | 0% |
| Tonight | 28°F | Mostly Clear | 5 to 8 mph NNW | 0% |
| Wednesday | 56°F | Mostly Sunny | 3 to 9 mph NNW | 1% |
| Wednesday Night | 31°F | Mostly Cloudy | 6 to 9 mph N | 0% |
| Thursday | 59°F | Mostly Sunny | 2 to 7 mph N | 0% |
| Thursday Night | 31°F | Partly Cloudy | 3 mph SW | 0% |
| Friday | 59°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Friday Night | 31°F | Mostly Clear | 2 to 6 mph NW | 2% |
| Saturday | 60°F | Sunny | 5 to 9 mph WNW | 1% |
| Saturday Night | 31°F | Mostly Clear | 5 mph WNW | 1% |
| Sunday | 66°F | Sunny | 3 to 9 mph WSW | 0% |
| Sunday Night | 38°F | Mostly Clear | 8 mph W | 0% |
| Monday | 66°F | Sunny | 8 mph N | 0% |
| Monday Night | 36°F | Partly Cloudy | 6 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Grover (40.869, -104.226). Updated through the day.
Growing snapshot for Grover
Last spring frost
May 14
First fall frost
Sep 26
Growing season
133 days
Hardiness zone
5a
More local growing data for Grover: nearby ZIP 80729 weather · frost dates · planting calendar · Colorado frost dates
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Climate data from the nearest NOAA station, Carpenter 3N, Wy (16.4 mi from Grover). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.