Brunswick, MO Weather & Growing Conditions
Tonight
48°F
Cloudy
Cloudy, with a low around 48. West wind around 12 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Cloudy | 12 mph W | 10% |
| Wednesday | 58°F | Mostly Cloudy | 10 to 15 mph W | 8% |
| Wednesday Night | 41°F | Partly Cloudy | 7 mph WSW | 1% |
| Thursday | 58°F | Mostly Sunny | 6 to 12 mph W | 0% |
| Thursday Night | 42°F | Mostly Cloudy | 3 to 7 mph NNW | 5% |
| Friday | 55°F | Partly Sunny | 5 to 9 mph N | 4% |
| Friday Night | 32°F | Partly Cloudy | 0 to 3 mph NNE | 0% |
| Saturday | 55°F | Mostly Sunny | 0 to 3 mph NNW | 0% |
| Saturday Night | 34°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 61°F | Sunny | 1 to 6 mph W | 0% |
| Sunday Night | 35°F | Mostly Clear | 2 mph WSW | 0% |
| Monday | 67°F | Sunny | 1 to 9 mph SSW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WSW | 0% |
| Tuesday | 68°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brunswick, MO
Last spring frost
Apr 10
First fall frost
Oct 29
Growing season
201 days
Hardiness zone
6a
Explore more for Brunswick, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Brunswick, Mo (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.