Grover, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grover, a town in Weld County, Colorado.
Tonight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. Northwest wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Grover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Cloudy | 5 mph NW | 8% |
| Saturday | 75°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph NW | 78% |
| Saturday Night | 48°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 8 mph SE | 57% |
| Sunday | 68°F | Showers And Thunderstorms Likely | 5 to 9 mph NNW | 64% |
| Sunday Night | 44°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 9 mph NNE | 19% |
| Monday | 69°F | Sunny | 3 to 9 mph SSW | 4% |
| Monday Night | 47°F | Partly Cloudy | 10 to 14 mph SE | 10% |
| Tuesday | 74°F | Mostly Sunny | 13 to 17 mph SSE | 13% |
| Tuesday Night | 50°F | Chance Showers And Thunderstorms then Mostly Cloudy | 9 to 18 mph SE | 37% |
| Wednesday | 77°F | Partly Sunny | 6 to 9 mph SSE | 13% |
| Wednesday Night | 49°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 8 mph S | 17% |
| Thursday | 77°F | Mostly Sunny | 6 to 10 mph ENE | 8% |
| Thursday Night | 51°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph SSE | 15% |
| Friday | 77°F | Mostly Sunny | 6 to 13 mph SSE | 12% |
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
Nearby towns & communities
Aristocrat Ranchettes
Ault
Berthoud
Briggsdale
Dacono
Eaton
Erie
Evans
Firestone
Fort Lupton
Frederick
Garden City
Gilcrest
Greeley
Hudson
Johnstown
Keenesburg
Kersey
La Salle
Mead
Milliken
Nunn
Orchard
Pierce
Platteville
Raymer (New Raymer)
Severance
Windsor
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 Sep 19, 2026.