Preston, MO Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 102. Southwest wind around 12 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 12 mph SW | 0% |
| Tonight | 71°F | Partly Cloudy | 3 to 7 mph SW | 3% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 32% |
| Sunday Night | 66°F | Showers And Thunderstorms | 5 mph N | 82% |
| Monday | 77°F | Showers And Thunderstorms | 3 to 9 mph N | 82% |
| Monday Night | 58°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 9 mph N | 19% |
| Tuesday | 71°F | Partly Sunny | 8 mph NE | 7% |
| Tuesday Night | 53°F | Partly Cloudy | 2 to 8 mph NE | 3% |
| Wednesday | 74°F | Sunny | 6 mph NE | 1% |
| Wednesday Night | 54°F | Mostly Clear | 1 to 5 mph NE | 2% |
| Thursday | 77°F | Mostly Sunny | 5 mph E | 3% |
| Thursday Night | 58°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph E | 15% |
| Friday | 78°F | Slight Chance Rain Showers | 5 mph E | 19% |
| Friday Night | 59°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph E | 17% |
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.