Grant City, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grant City, a town in Worth County, Missouri.
Overnight
70°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southwest wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for Grant City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Slight Chance Showers And Thunderstorms | 6 mph SSW | 17% |
| Saturday | 83°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 35% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 3 to 8 mph N | 67% |
| Sunday | 69°F | Chance Showers And Thunderstorms | 6 to 10 mph NNE | 46% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 10 mph NE | 53% |
| Monday | 60°F | Chance Showers And Thunderstorms | 10 mph NE | 53% |
| Monday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 6 to 9 mph NE | 32% |
| Tuesday | 59°F | Partly Sunny | 8 mph NE | 6% |
| Tuesday Night | 46°F | Partly Cloudy | 6 mph ENE | 4% |
| Wednesday | 62°F | Mostly Sunny | 5 mph ENE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph E | 7% |
| Thursday | 65°F | Slight Chance Rain Showers | 5 mph ESE | 21% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 23% |
| Friday | 67°F | Slight Chance Rain Showers | 6 mph ESE | 23% |
Forecast source: National Weather Service (api.weather.gov) for Grant City (40.486, -94.413). Updated through the day.
Growing snapshot for Grant City
Last spring frost
Apr 24
First fall frost
Oct 14
Growing season
172 days
Hardiness zone
5b
More local growing data for Grant City: nearby ZIP 64456 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grant City, Mo (1.3 mi from Grant City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.