Polo, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Polo, a city in Caldwell County, Missouri.
Today
92°F
Mostly Sunny
Mostly sunny, with a high near 92. South wind around 3 mph.
7-day forecast for Polo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Mostly Sunny | 3 mph S | 12% |
| Tonight | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph E | 24% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 5 mph NE | 60% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely | 5 mph NNE | 76% |
| Thursday | 84°F | Showers And Thunderstorms then Mostly Sunny | 3 mph ENE | 76% |
| Thursday Night | 65°F | Partly Cloudy | 2 mph SE | 10% |
| Friday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph S | 15% |
| Friday Night | 68°F | Slight Chance Showers And Thunderstorms | 2 mph S | 16% |
| Saturday | 91°F | Sunny | 2 to 6 mph S | 12% |
| Saturday Night | 72°F | Mostly Clear | 6 mph S | 5% |
| Sunday | 94°F | Sunny | 9 mph SSW | 2% |
| Sunday Night | 74°F | Mostly Clear | 8 mph S | 3% |
| Monday | 95°F | Mostly Sunny | 7 to 10 mph SSW | 3% |
| Monday Night | 75°F | Partly Cloudy | 9 mph SSW | 8% |
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 Aug 4, 2026.