Grant City, MO Weather & Growing Conditions
Tonight
45°F
Rain Showers Likely then Cloudy
Rain showers likely before 10pm. Cloudy, with a low around 45. Northwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Rain Showers Likely then Cloudy | 13 mph NW | 63% |
| Wednesday | 53°F | Mostly Cloudy | 10 to 14 mph W | 9% |
| Wednesday Night | 41°F | Mostly Cloudy | 8 mph W | 4% |
| Thursday | 53°F | Mostly Cloudy then Chance Rain Showers | 7 to 10 mph WNW | 29% |
| Thursday Night | 40°F | Mostly Cloudy | 6 mph NNW | 8% |
| Friday | 53°F | Partly Sunny | 2 to 7 mph N | 4% |
| Friday Night | 35°F | Mostly Cloudy | 1 mph NNW | 0% |
| Saturday | 56°F | Mostly Sunny | 0 to 3 mph WSW | 2% |
| Saturday Night | 37°F | Mostly Clear | 2 mph W | 5% |
| Sunday | 62°F | Sunny | 5 mph W | 3% |
| Sunday Night | 39°F | Mostly Clear | 3 mph SW | 0% |
| Monday | 66°F | Sunny | 3 to 9 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 65°F | Sunny | 6 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grant City, MO
Last spring frost
Apr 24
First fall frost
Oct 14
Growing season
172 days
Hardiness zone
5b
Explore more for Grant City, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Grant City, Mo (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.