Altenburg, MO Weather & Growing Conditions
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 84 in the afternoon. Northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 2 mph NE | 0% |
| Tonight | 65°F | Mostly Clear | 0 to 3 mph ESE | 0% |
| Wednesday | 88°F | Sunny | 2 mph S | 0% |
| Wednesday Night | 70°F | Partly Cloudy | 5 mph S | 6% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 6 mph S | 31% |
| Thursday Night | 71°F | Slight Chance Showers And Thunderstorms | 5 mph S | 59% |
| Friday | 87°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SSW | 59% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 mph SSW | 38% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph SSW | 38% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 17% |
| Sunday | 90°F | Sunny | 3 to 8 mph SSW | 7% |
| Sunday Night | 72°F | Mostly Clear | 7 mph SSW | 3% |
| Monday | 92°F | Sunny | 5 to 8 mph SSW | 6% |
| Monday Night | 74°F | Mostly Clear | 7 mph SSW | 4% |
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 Aug 4, 2026.