Arrow Rock, MO Weather & Growing Conditions
This Afternoon
73°F
Mostly Cloudy
Mostly cloudy. High near 73, with temperatures falling to around 64 in the afternoon. South southwest wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Cloudy | 10 mph SSW | 9% |
| Tonight | 45°F | Patchy Drizzle | 10 mph WSW | 14% |
| Wednesday | 59°F | Mostly Cloudy | 8 to 13 mph W | 6% |
| Wednesday Night | 37°F | Mostly Clear | 6 mph WSW | 1% |
| Thursday | 60°F | Mostly Sunny | 3 to 9 mph W | 10% |
| Thursday Night | 37°F | Mostly Cloudy | 3 mph NW | 8% |
| Friday | 58°F | Partly Sunny | 3 to 7 mph NNW | 2% |
| Friday Night | 34°F | Mostly Cloudy | 0 to 3 mph N | 2% |
| Saturday | 58°F | Partly Sunny | 0 to 3 mph WNW | 3% |
| Saturday Night | 33°F | Partly Cloudy | 1 mph W | 5% |
| Sunday | 64°F | Sunny | 1 to 6 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 2 mph WSW | 2% |
| Monday | 68°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arrow Rock, MO
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
191 days
Hardiness zone
6b
Explore more for Arrow Rock, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, New Franklin 1W, Mo (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.