Altamont, MO Weather & Growing Conditions
Tonight
46°F
Cloudy
Cloudy, with a low around 46. West northwest wind around 10 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Cloudy | 10 mph WNW | 11% |
| Wednesday | 55°F | Mostly Cloudy | 7 to 12 mph W | 8% |
| Wednesday Night | 40°F | Partly Cloudy | 6 mph W | 2% |
| Thursday | 54°F | Partly Sunny then Slight Chance Rain Showers | 8 mph WNW | 20% |
| Thursday Night | 40°F | Mostly Cloudy | 5 mph NNW | 7% |
| Friday | 54°F | Partly Sunny | 2 to 6 mph N | 3% |
| Friday Night | 36°F | Mostly Cloudy | 1 mph NNW | 1% |
| Saturday | 56°F | Mostly Sunny | 2 mph W | 2% |
| Saturday Night | 37°F | Mostly Clear | 2 mph W | 6% |
| Sunday | 61°F | Sunny | 3 mph W | 3% |
| Sunday Night | 38°F | Mostly Clear | 3 mph SW | 0% |
| Monday | 66°F | Sunny | 3 to 7 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 66°F | Mostly Sunny | 5 mph ENE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Altamont, MO
Last spring frost
Apr 19
First fall frost
Oct 21
Growing season
184 days
Hardiness zone
6a
Explore more for Altamont, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Gallatin 1W, Mo (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.