Palmyra, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Palmyra, a city in Marion County, Missouri.
This Afternoon
71°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 71, with temperatures falling to around 65 in the afternoon. South wind around 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
7-day forecast for Palmyra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Light Rain | 13 mph S | 75% |
| Tonight | 51°F | Chance Light Rain then Chance Rain Showers | 8 to 12 mph SW | 33% |
| Wednesday | 58°F | Chance Rain Showers then Cloudy | 9 to 15 mph SW | 12% |
| Wednesday Night | 43°F | Partly Cloudy | 8 mph SW | 0% |
| Thursday | 59°F | Mostly Sunny | 7 to 12 mph W | 7% |
| Thursday Night | 42°F | Mostly Cloudy | 6 mph NW | 10% |
| Friday | 55°F | Partly Sunny | 8 mph N | 3% |
| Friday Night | 37°F | Mostly Cloudy | 1 to 5 mph N | 2% |
| Saturday | 55°F | Partly Sunny | 3 mph NW | 1% |
| Saturday Night | 37°F | Mostly Clear | 3 mph W | 3% |
| Sunday | 61°F | Sunny | 6 mph W | 9% |
| Sunday Night | 37°F | Mostly Clear | 3 mph W | 2% |
| Monday | 66°F | Sunny | 3 to 8 mph SW | 2% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
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.