Palmyra, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Palmyra, a city in Marion County, Missouri.
This Afternoon
88°F
Sunny
Sunny, with a high near 88. Southeast wind around 5 mph.
7-day forecast for Palmyra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Sunny | 5 mph SE | 13% |
| Tonight | 72°F | Mostly Clear | 5 mph SE | 13% |
| Saturday | 92°F | Partly Sunny | 5 to 8 mph SW | 6% |
| Saturday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 3 mph SW | 37% |
| Sunday | 81°F | Showers And Thunderstorms Likely | 2 to 7 mph NW | 66% |
| Sunday Night | 62°F | Showers And Thunderstorms | 5 to 8 mph NE | 75% |
| Monday | 68°F | Showers And Thunderstorms | 5 to 9 mph NE | 75% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 8 mph NE | 46% |
| Tuesday | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph NE | 20% |
| Tuesday Night | 51°F | Mostly Cloudy | 3 to 7 mph N | 5% |
| Wednesday | 68°F | Mostly Sunny | 6 mph N | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph NE | 1% |
| Thursday | 71°F | Mostly Sunny | 3 mph NE | 5% |
| Thursday Night | 56°F | Partly Cloudy | 2 mph NE | 5% |
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 Sep 19, 2026.