Altenburg, MO Weather & Growing Conditions
Tonight
71°F
Mostly Clear
Mostly clear. Low around 71, with temperatures rising to around 74 overnight. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 3 mph SE | 9% |
| Saturday | 97°F | Sunny | 6 mph SW | 3% |
| Saturday Night | 72°F | Partly Cloudy | 6 mph SSW | 0% |
| Sunday | 96°F | Sunny | 6 mph WSW | 6% |
| Sunday Night | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph N | 18% |
| Monday | 86°F | Chance Showers And Thunderstorms | 3 to 7 mph N | 49% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 7 mph N | 49% |
| Tuesday | 76°F | Partly Sunny | 7 to 10 mph N | 14% |
| Tuesday Night | 57°F | Partly Cloudy | 5 to 10 mph N | 9% |
| Wednesday | 75°F | Mostly Sunny | 8 mph N | 3% |
| Wednesday Night | 56°F | Partly Cloudy | 2 to 6 mph NNE | 2% |
| Thursday | 75°F | Mostly Sunny | 2 to 7 mph N | 3% |
| Thursday Night | 58°F | Partly Cloudy | 2 to 6 mph NNE | 3% |
| Friday | 76°F | Mostly Sunny | 3 to 7 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Altenburg, MO
Last spring frost
Apr 7
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
7a
Explore more for Altenburg, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Jackson, Mo (15.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.