Clarksburg, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarksburg, a city in Moniteau County, Missouri.
This Afternoon
96°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny, with a high near 96. Heat index values as high as 105. Southwest wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Clarksburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Slight Chance Showers And Thunderstorms | 3 mph SW | 23% |
| Tonight | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph S | 17% |
| Saturday | 99°F | Partly Sunny | 5 to 8 mph SW | 3% |
| Saturday Night | 71°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 25% |
| Sunday | 90°F | Chance Rain Showers | 5 mph W | 53% |
| Sunday Night | 66°F | Showers And Thunderstorms | 3 mph N | 84% |
| Monday | 77°F | Showers And Thunderstorms | 6 mph N | 84% |
| Monday Night | 59°F | Slight Chance Showers And Thunderstorms | 6 mph N | 23% |
| Tuesday | 71°F | Mostly Cloudy | 6 mph N | 13% |
| Tuesday Night | 53°F | Mostly Cloudy | 1 to 5 mph NE | 3% |
| Wednesday | 74°F | Mostly Sunny | 3 mph NE | 2% |
| Wednesday Night | 54°F | Partly Cloudy | 2 mph NE | 2% |
| Thursday | 75°F | Mostly Sunny | 3 mph NE | 6% |
| Thursday Night | 57°F | Partly Cloudy | 2 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Clarksburg (38.661, -92.666). Updated through the day.
Growing snapshot for Clarksburg
Last spring frost
Apr 11
First fall frost
Oct 25
Growing season
195 days
Hardiness zone
6b
More local growing data for Clarksburg: nearby ZIP 65025 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, California, Mo (8.2 mi from Clarksburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.