Brunswick, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brunswick, a city in Chariton County, Missouri.
Today
94°F
Mostly Sunny
Mostly sunny, with a high near 94. Heat index values as high as 99. Southwest wind 7 to 12 mph, with gusts as high as 20 mph.
7-day forecast for Brunswick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Mostly Sunny | 7 to 12 mph SW | 3% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 2 to 7 mph WSW | 56% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 2 to 8 mph N | 52% |
| Sunday Night | 61°F | Showers And Thunderstorms | 6 to 9 mph NE | 82% |
| Monday | 69°F | Showers And Thunderstorms | 8 to 12 mph NNE | 82% |
| Monday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 6 to 12 mph NNE | 26% |
| Tuesday | 66°F | Mostly Cloudy | 10 mph NE | 5% |
| Tuesday Night | 49°F | Partly Cloudy | 3 to 9 mph NE | 1% |
| Wednesday | 70°F | Mostly Sunny | 7 mph NE | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph NE | 1% |
| Thursday | 73°F | Partly Sunny | 2 to 6 mph ENE | 9% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph ENE | 18% |
| Friday | 74°F | Slight Chance Rain Showers | 2 to 7 mph E | 21% |
| Friday Night | 56°F | Mostly Cloudy | 2 to 6 mph E | 12% |
Forecast source: National Weather Service (api.weather.gov) for Brunswick (39.427, -93.127). Updated through the day.
Growing snapshot for Brunswick
Last spring frost
Apr 10
First fall frost
Oct 29
Growing season
201 days
Hardiness zone
6a
More local growing data for Brunswick: nearby ZIP 65236 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Brunswick, Mo (2.9 mi from Brunswick). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.