Bethany, MO Weather & Growing Conditions
Overnight
71°F
Mostly Cloudy
Mostly cloudy, with a low around 71. South southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Cloudy | 7 mph SSW | 9% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 6 to 9 mph SSW | 23% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 6 mph N | 64% |
| Sunday | 71°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 45% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 mph NE | 63% |
| Monday | 62°F | Showers And Thunderstorms Likely | 12 mph NE | 63% |
| Monday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 7 to 10 mph NE | 26% |
| Tuesday | 60°F | Mostly Cloudy | 9 mph NE | 6% |
| Tuesday Night | 47°F | Mostly Cloudy | 3 to 7 mph NE | 5% |
| Wednesday | 63°F | Mostly Sunny | 6 mph ENE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph ENE | 7% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 mph E | 15% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 20% |
| Friday | 68°F | Slight Chance Rain Showers | 3 to 7 mph E | 22% |
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 Sep 19, 2026.