Holts Summit, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Holts Summit, a city in Callaway County, Missouri.
Overnight
51°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy, with a low around 51. West wind around 10 mph.
7-day forecast for Holts Summit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Slight Chance Drizzle | 10 mph W | 13% |
| Wednesday | 58°F | Slight Chance Drizzle then Mostly Cloudy | 8 to 12 mph W | 12% |
| Wednesday Night | 42°F | Mostly Clear | 6 mph W | 0% |
| Thursday | 62°F | Sunny | 8 mph W | 0% |
| Thursday Night | 45°F | Mostly Cloudy | 6 mph NW | 5% |
| Friday | 57°F | Partly Sunny | 7 mph N | 2% |
| Friday Night | 35°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 56°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 35°F | Partly Cloudy | 2 mph W | 2% |
| Sunday | 62°F | Sunny | 5 mph W | 0% |
| Sunday Night | 36°F | Clear | 2 mph W | 0% |
| Monday | 67°F | Sunny | 5 mph SW | 0% |
| Monday Night | 41°F | Clear | 3 mph SW | 0% |
| Tuesday | 70°F | Sunny | 3 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Holts Summit (38.647, -92.113). Updated through the day.
Growing snapshot for Holts Summit
Last spring frost
Apr 10
First fall frost
Oct 26
Growing season
198 days
Hardiness zone
6b
More local growing data for Holts Summit: nearby ZIP 65043 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jefferson City Mem Ap, Mo (3.6 mi from Holts Summit). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.