Trimble, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trimble, a city in Clinton County, Missouri.
This Afternoon
70°F
Rain Showers
Rain showers. Partly sunny. High near 70, with temperatures falling to around 59 in the afternoon. Southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Trimble
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Rain Showers | 15 mph SW | 73% |
| Tonight | 46°F | Cloudy | 10 to 15 mph WNW | 14% |
| Wednesday | 60°F | Mostly Cloudy | 9 to 14 mph W | 6% |
| Wednesday Night | 42°F | Mostly Clear | 7 mph W | 1% |
| Thursday | 59°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph WNW | 22% |
| Thursday Night | 40°F | Mostly Cloudy | 7 mph NW | 7% |
| Friday | 58°F | Partly Sunny | 7 mph NNW | 1% |
| Friday Night | 39°F | Mostly Cloudy | 3 mph NNW | 0% |
| Saturday | 60°F | Partly Sunny | 1 to 6 mph WNW | 2% |
| Saturday Night | 39°F | Mostly Clear | 3 mph W | 6% |
| Sunday | 61°F | Sunny | 3 to 9 mph W | 7% |
| Sunday Night | 39°F | Mostly Clear | 5 mph WSW | 2% |
| Monday | 65°F | Sunny | 2 to 7 mph SSW | 2% |
| Monday Night | 43°F | Mostly Clear | 3 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Trimble (39.476, -94.562). Updated through the day.
Growing snapshot for Trimble
Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
183 days
Hardiness zone
6a
More local growing data for Trimble: nearby ZIP 64492 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Smithville Lake, Mo (6.3 mi from Trimble). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.