Bethany, MO Weather & Growing Conditions
Overnight
46°F
Cloudy
Cloudy, with a low around 46. West northwest wind around 13 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Cloudy | 13 mph WNW | 8% |
| Wednesday | 54°F | Mostly Cloudy | 10 to 14 mph W | 7% |
| Wednesday Night | 41°F | Mostly Cloudy | 8 mph W | 1% |
| Thursday | 54°F | Mostly Cloudy | 7 to 10 mph NW | 6% |
| Thursday Night | 42°F | Mostly Cloudy | 7 mph NNW | 6% |
| Friday | 52°F | Partly Sunny | 5 to 8 mph N | 3% |
| Friday Night | 32°F | Partly Cloudy | 0 to 3 mph NE | 0% |
| Saturday | 53°F | Mostly Sunny | 3 mph SSW | 0% |
| Saturday Night | 35°F | Mostly Clear | 2 mph W | 0% |
| Sunday | 59°F | Sunny | 5 mph W | 0% |
| Sunday Night | 37°F | Clear | 3 mph SW | 0% |
| Monday | 65°F | Sunny | 3 to 8 mph SW | 0% |
| Monday Night | 41°F | Clear | 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 2 to 6 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bethany, MO
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
6a
Explore more for Bethany, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Bethany, Mo (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.