Trenton, MO Weather & Growing Conditions
Tonight
46°F
Cloudy
Cloudy, with a low around 46. West wind around 12 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Cloudy | 12 mph W | 11% |
| Wednesday | 55°F | Mostly Cloudy | 9 to 14 mph W | 8% |
| Wednesday Night | 41°F | Partly Cloudy | 7 mph WSW | 2% |
| Thursday | 55°F | Partly Sunny then Slight Chance Rain Showers | 6 to 10 mph W | 22% |
| Thursday Night | 41°F | Mostly Cloudy | 5 mph NW | 7% |
| Friday | 54°F | Partly Sunny | 3 to 8 mph N | 2% |
| Friday Night | 35°F | Mostly Cloudy | 2 mph N | 1% |
| Saturday | 56°F | Partly Sunny | 0 to 3 mph W | 1% |
| Saturday Night | 36°F | Mostly Clear | 1 mph W | 6% |
| Sunday | 61°F | Sunny | 1 to 5 mph W | 3% |
| Sunday Night | 37°F | Mostly Clear | 2 mph SW | 0% |
| Monday | 66°F | Sunny | 2 to 9 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 66°F | Mostly Sunny | 2 to 6 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Trenton, MO
Last spring frost
Apr 16
First fall frost
Oct 20
Growing season
184 days
Hardiness zone
6a
Explore more for Trenton, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Trenton, Mo (0.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.