Bethany, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bethany, a city in Harrison County, Missouri.
This Afternoon
68°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny. High near 68, with temperatures falling to around 60 in the afternoon. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Bethany
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Showers And Thunderstorms Likely | 10 to 14 mph SSW | 63% |
| Tonight | 46°F | Chance Rain Showers then Cloudy | 13 mph W | 35% |
| Wednesday | 54°F | Mostly Cloudy | 10 to 15 mph W | 9% |
| Wednesday Night | 41°F | Partly Cloudy | 8 mph W | 3% |
| Thursday | 54°F | Partly Sunny then Slight Chance Rain Showers | 7 to 10 mph WNW | 24% |
| Thursday Night | 41°F | Mostly Cloudy | 6 mph NNW | 7% |
| Friday | 53°F | Partly Sunny | 3 to 8 mph N | 2% |
| Friday Night | 36°F | Mostly Cloudy | 2 mph N | 1% |
| Saturday | 56°F | Partly Sunny | 1 to 5 mph WSW | 2% |
| Saturday Night | 37°F | Mostly Clear | 3 mph W | 6% |
| Sunday | 61°F | Sunny | 6 mph W | 2% |
| Sunday Night | 38°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 66°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Bethany (40.268, -94.030). Updated through the day.
Growing snapshot for Bethany
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
6a
More local growing data for Bethany: nearby ZIP 64424 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bethany, Mo (0.6 mi from Bethany). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.