Unionville, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Unionville, a city in Putnam County, Missouri.
Today
89°F
Mostly Sunny
Mostly sunny, with a high near 89. Southwest wind 3 to 7 mph.
7-day forecast for Unionville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Mostly Sunny | 3 to 7 mph SW | 12% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 50% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 7 mph NE | 70% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 3 to 7 mph NNE | 64% |
| Thursday | 81°F | Chance Showers And Thunderstorms then Mostly Sunny | 3 mph ENE | 51% |
| Thursday Night | 63°F | Mostly Clear | 2 mph ESE | 3% |
| Friday | 85°F | Sunny | 1 to 5 mph S | 6% |
| Friday Night | 67°F | Mostly Clear | 3 mph S | 13% |
| Saturday | 88°F | Sunny | 3 to 10 mph SSW | 10% |
| Saturday Night | 71°F | Mostly Clear | 9 to 14 mph SSW | 8% |
| Sunday | 90°F | Sunny | 12 to 16 mph SSW | 8% |
| Sunday Night | 72°F | Partly Cloudy | 12 to 16 mph SSW | 14% |
| Monday | 91°F | Mostly Sunny | 13 to 18 mph SSW | 14% |
| Monday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 12 to 18 mph SSW | 22% |
Forecast source: National Weather Service (api.weather.gov) for Unionville (40.476, -93.004). Updated through the day.
Growing snapshot for Unionville
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
5b
More local growing data for Unionville: nearby ZIP 63565 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Unionville, Mo (3 mi from Unionville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.