Unionville, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Unionville, a city in Putnam County, Missouri.
This Afternoon
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Southeast wind around 8 mph.
7-day forecast for Unionville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Mostly Sunny | 8 mph SE | 6% |
| Tonight | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 7 mph SSE | 17% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 23% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph NNW | 74% |
| Sunday | 73°F | Showers And Thunderstorms Likely | 3 to 9 mph N | 55% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 9 mph NE | 55% |
| Monday | 63°F | Rain Showers Likely | 10 mph NE | 56% |
| Monday Night | 53°F | Chance Rain Showers | 6 to 9 mph NE | 52% |
| Tuesday | 60°F | Slight Chance Rain Showers | 9 mph NE | 15% |
| Tuesday Night | 48°F | Mostly Cloudy | 2 to 6 mph NE | 5% |
| Wednesday | 64°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph ENE | 3% |
| Thursday | 66°F | Partly Sunny | 3 mph ENE | 9% |
| Thursday Night | 54°F | Mostly Cloudy | 1 mph ENE | 10% |
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 Sep 18, 2026.