Grant City, MO Weather & Growing Conditions
Today
87°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. South southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSE | 16% |
| Tonight | 65°F | Showers And Thunderstorms Likely | 8 mph NE | 63% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 9 mph NE | 63% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 3 to 9 mph NE | 48% |
| Thursday | 82°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph ENE | 36% |
| Thursday Night | 63°F | Mostly Clear | 3 mph ESE | 13% |
| Friday | 86°F | Mostly Sunny | 2 to 7 mph S | 13% |
| Friday Night | 68°F | Mostly Clear | 6 mph S | 9% |
| Saturday | 90°F | Sunny | 3 to 10 mph S | 3% |
| Saturday Night | 72°F | Mostly Clear | 10 mph S | 7% |
| Sunday | 92°F | Sunny | 9 to 14 mph SSW | 7% |
| Sunday Night | 73°F | Partly Cloudy | 13 mph S | 9% |
| Monday | 92°F | Mostly Sunny | 10 to 16 mph SSW | 8% |
| Monday Night | 73°F | Partly Cloudy | 10 to 15 mph S | 14% |
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 Aug 4, 2026.