Preston, MO Weather & Growing Conditions
Tonight
73°F
Mostly Clear
Mostly clear. Low around 73, with temperatures rising to around 75 overnight. Heat index values as high as 97. South wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Mostly Clear | 2 to 6 mph S | 13% |
| Saturday | 98°F | Sunny | 6 to 10 mph SW | 2% |
| Saturday Night | 72°F | Partly Cloudy then Slight Chance Rain Showers | 3 to 7 mph SW | 15% |
| Sunday | 92°F | Chance Rain Showers | 6 mph W | 30% |
| Sunday Night | 66°F | Showers And Thunderstorms | 5 mph N | 76% |
| Monday | 79°F | Showers And Thunderstorms | 2 to 7 mph N | 76% |
| Monday Night | 59°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph N | 21% |
| Tuesday | 73°F | Partly Sunny | 5 to 8 mph N | 10% |
| Tuesday Night | 54°F | Partly Cloudy | 2 to 8 mph NE | 3% |
| Wednesday | 75°F | Mostly Sunny | 2 to 6 mph NE | 1% |
| Wednesday Night | 54°F | Mostly Clear | 5 mph NE | 1% |
| Thursday | 78°F | Mostly Sunny | 5 mph NE | 5% |
| Thursday Night | 57°F | Partly Cloudy | 3 mph NE | 7% |
| Friday | 78°F | Mostly Sunny | 2 to 6 mph E | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Preston, MO
Last spring frost
Apr 7
First fall frost
Oct 28
Growing season
204 days
Hardiness zone
6b
Explore more for Preston, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Pomme De Terre Dam, Mo (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.