Mill Spring, MO Weather & Growing Conditions
Overnight
70°F
Mostly Clear
Mostly clear. Low around 70, with temperatures rising to around 72 overnight. West wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Mostly Clear | 1 mph W | 1% |
| Saturday | 99°F | Sunny | 1 to 5 mph WSW | 1% |
| Saturday Night | 70°F | Mostly Clear | 3 mph SW | 0% |
| Sunday | 100°F | Mostly Sunny | 0 to 3 mph WSW | 2% |
| Sunday Night | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph NNW | 22% |
| Monday | 90°F | Chance Showers And Thunderstorms | 1 to 5 mph NNW | 52% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 5 mph N | 52% |
| Tuesday | 80°F | Slight Chance Rain Showers | 3 to 7 mph N | 15% |
| Tuesday Night | 56°F | Partly Cloudy | 2 to 7 mph N | 7% |
| Wednesday | 79°F | Mostly Sunny | 5 mph N | 2% |
| Wednesday Night | 54°F | Mostly Clear | 3 mph NNE | 0% |
| Thursday | 80°F | Sunny | 1 to 5 mph NNE | 2% |
| Thursday Night | 55°F | Partly Cloudy | 3 mph NNE | 3% |
| Friday | 79°F | Mostly Sunny | 1 to 5 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mill Spring, MO
Last spring frost
Apr 9
First fall frost
Oct 26
Growing season
199 days
Hardiness zone
7a
Explore more for Mill Spring, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Clearwater Dam, Mo (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.