Polo, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Polo, a city in Caldwell County, Missouri.
This Afternoon
69°F
Chance Rain Showers
A chance of rain showers. Partly sunny. High near 69, with temperatures falling to around 59 in the afternoon. Southwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Polo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Chance Rain Showers | 14 mph SW | 35% |
| Tonight | 45°F | Cloudy | 8 mph WNW | 12% |
| Wednesday | 56°F | Mostly Cloudy | 6 to 9 mph W | 7% |
| Wednesday Night | 39°F | Partly Cloudy | 3 mph W | 2% |
| Thursday | 55°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 7 mph WNW | 17% |
| Thursday Night | 39°F | Mostly Cloudy | 3 mph NW | 5% |
| Friday | 55°F | Partly Sunny | 5 mph N | 3% |
| Friday Night | 35°F | Mostly Cloudy | 1 mph N | 0% |
| Saturday | 57°F | Partly Sunny | 2 mph NW | 2% |
| Saturday Night | 36°F | Mostly Clear | 2 mph WNW | 6% |
| Sunday | 62°F | Sunny | 3 mph WNW | 5% |
| Sunday Night | 37°F | Mostly Clear | 2 mph W | 0% |
| Monday | 67°F | Sunny | 2 to 6 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 2 mph W | 0% |
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 Nov 4, 2026.