Grover, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grover, a town in Weld County, Colorado.
Today
75°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between noon and 2pm, then showers and thunderstorms. Partly sunny. High near 75, with temperatures falling to around 69 in the afternoon. West wind 3 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Grover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph W | 77% |
| Tonight | 47°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 8 mph NE | 58% |
| Sunday | 68°F | Chance Rain Showers | 5 to 8 mph NNE | 46% |
| Sunday Night | 43°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph NNE | 23% |
| Monday | 69°F | Sunny | 3 to 9 mph SSW | 3% |
| Monday Night | 46°F | Partly Cloudy | 14 mph SE | 12% |
| Tuesday | 74°F | Mostly Sunny | 13 to 18 mph SSE | 5% |
| Tuesday Night | 49°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 to 21 mph SE | 20% |
| Wednesday | 77°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 6 to 9 mph SE | 15% |
| Wednesday Night | 49°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 9 mph S | 20% |
| Thursday | 78°F | Mostly Sunny | 7 mph NNE | 3% |
| Thursday Night | 51°F | Partly Cloudy | 8 mph SE | 6% |
| Friday | 78°F | Mostly Sunny | 6 to 13 mph SSE | 11% |
| Friday Night | 52°F | Slight Chance Rain Showers then Partly Cloudy | 6 to 14 mph SSE | 18% |
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 Sep 19, 2026.