Armstrong, MO Weather & Growing Conditions
This Afternoon
58°F
Cloudy
Cloudy, with a high near 58. West wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Cloudy | 8 mph W | 2% |
| Tonight | 41°F | Partly Cloudy | 8 mph WSW | 2% |
| Thursday | 57°F | Partly Sunny | 6 to 12 mph WNW | 11% |
| Thursday Night | 41°F | Cloudy | 7 mph NNW | 8% |
| Friday | 53°F | Partly Sunny | 5 to 9 mph N | 2% |
| Friday Night | 30°F | Partly Cloudy | 0 to 3 mph NNE | 0% |
| Saturday | 54°F | Mostly Sunny | 2 mph NNW | 0% |
| Saturday Night | 31°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 62°F | Sunny | 1 to 5 mph W | 0% |
| Sunday Night | 34°F | Clear | 2 mph SW | 0% |
| Monday | 67°F | Sunny | 2 to 8 mph SSW | 0% |
| Monday Night | 39°F | Clear | 5 mph SW | 0% |
| Tuesday | 68°F | Sunny | 5 mph W | 2% |
| Tuesday Night | 41°F | Mostly Clear | 2 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Armstrong, MO
Last spring frost
Apr 12
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6b
Explore more for Armstrong, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Salisbury, Mo (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.