Palmyra, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Palmyra, a city in Marion County, Missouri.
This Afternoon
56°F
Cloudy
Cloudy, with a high near 56. West wind 8 to 13 mph, with gusts as high as 22 mph.
7-day forecast for Palmyra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Cloudy | 8 to 13 mph W | 0% |
| Tonight | 44°F | Mostly Cloudy | 8 mph SW | 1% |
| Thursday | 56°F | Mostly Cloudy then Isolated Rain Showers | 7 to 10 mph W | 21% |
| Thursday Night | 42°F | Isolated Rain Showers then Cloudy | 7 mph NW | 17% |
| Friday | 50°F | Mostly Sunny | 5 to 9 mph N | 3% |
| Friday Night | 31°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 2 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 60°F | Sunny | 5 mph W | 0% |
| Sunday Night | 36°F | Clear | 2 mph W | 0% |
| Monday | 65°F | Sunny | 2 to 7 mph SW | 0% |
| Monday Night | 41°F | Clear | 5 mph SW | 0% |
| Tuesday | 66°F | Sunny | 3 mph W | 2% |
| Tuesday Night | 41°F | Mostly Clear | 1 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Palmyra (39.798, -91.527). Updated through the day.
Growing snapshot for Palmyra
Last spring frost
Apr 8
First fall frost
Oct 30
Growing season
204 days
Hardiness zone
6a
More local growing data for Palmyra: nearby ZIP 63461 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Quincy Dam 21, Il (9.7 mi from Palmyra). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.