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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

WhenTempForecastWindPrecip
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

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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.