Holts Summit, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Holts Summit, a city in Callaway County, Missouri.
Today
91°F
Sunny
Sunny, with a high near 91. South wind around 6 mph.
7-day forecast for Holts Summit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 6 mph S | 0% |
| Tonight | 71°F | Mostly Clear | 6 mph SE | 4% |
| Wednesday | 91°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph S | 29% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SE | 75% |
| Thursday | 88°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SE | 75% |
| Thursday Night | 70°F | Partly Cloudy | 2 mph SE | 13% |
| Friday | 89°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 3 mph S | 18% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 3 mph S | 25% |
| Saturday | 92°F | Chance Showers And Thunderstorms then Sunny | 5 mph SW | 25% |
| Saturday Night | 72°F | Mostly Clear | 5 mph S | 4% |
| Sunday | 93°F | Sunny | 7 mph SW | 4% |
| Sunday Night | 74°F | Mostly Clear | 6 mph S | 4% |
| Monday | 95°F | Sunny | 7 mph S | 4% |
| Monday Night | 75°F | Mostly Clear | 6 mph S | 6% |
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 Aug 4, 2026.