Palmyra, IL Weather & Growing Conditions
This Afternoon
94°F
Mostly Cloudy
Mostly cloudy, with a high near 94. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Mostly Cloudy | 6 mph SW | 3% |
| Tonight | 69°F | Partly Cloudy | 5 mph S | 4% |
| Sunday | 87°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph NW | 49% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 72% |
| Monday | 73°F | Showers And Thunderstorms Likely | 9 mph NE | 72% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 46% |
| Tuesday | 68°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 46% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 10 mph N | 2% |
| Wednesday | 70°F | Mostly Sunny | 8 mph N | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 7 mph N | 0% |
| Thursday | 74°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NE | 15% |
| Friday | 77°F | Slight Chance Rain Showers | 2 to 6 mph NE | 16% |
| Friday Night | 55°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph NE | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Palmyra, IL
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
6b
Explore more for Palmyra, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Carlinville, Il (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.