Polo, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Polo, a city in Caldwell County, Missouri.
Tonight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. South wind around 6 mph.
7-day forecast for Polo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Partly Cloudy | 6 mph S | 2% |
| Saturday | 92°F | Mostly Sunny | 7 mph SSW | 5% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph WNW | 63% |
| Sunday | 79°F | Chance Showers And Thunderstorms | 5 mph N | 42% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 5 mph NNE | 60% |
| Monday | 68°F | Rain Showers Likely | 6 mph NNE | 60% |
| Monday Night | 54°F | Chance Rain Showers | 5 mph NNE | 27% |
| Tuesday | 65°F | Mostly Cloudy | 6 mph NNE | 8% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 mph NE | 5% |
| Wednesday | 68°F | Mostly Sunny | 3 mph ENE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 2 mph ENE | 5% |
| Thursday | 71°F | Partly Sunny | 2 mph E | 13% |
| Thursday Night | 55°F | Mostly Cloudy | 1 mph E | 13% |
| Friday | 71°F | Slight Chance Rain Showers | 3 mph E | 17% |
Forecast source: National Weather Service (api.weather.gov) for Polo (39.552, -94.036). Updated through the day.
Growing snapshot for Polo
Last spring frost
Apr 23
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
6a
More local growing data for Polo: nearby ZIP 64671 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hamilton 2W, Mo (14.6 mi from Polo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.