Palmyra, IL Weather & Growing Conditions
Tonight
55°F
Rain
Rain before 5am, then a slight chance of drizzle. Cloudy, with a low around 55. South wind 12 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain | 12 to 17 mph S | 87% |
| Wednesday | 61°F | Slight Chance Drizzle then Mostly Cloudy | 9 to 14 mph SW | 12% |
| Wednesday Night | 41°F | Partly Cloudy | 8 mph SW | 0% |
| Thursday | 63°F | Mostly Sunny | 7 to 10 mph W | 4% |
| Thursday Night | 40°F | Mostly Cloudy then Slight Chance T-storms | 6 mph NW | 21% |
| Friday | 57°F | Partly Sunny | 6 to 9 mph N | 8% |
| Friday Night | 35°F | Mostly Cloudy | 2 to 7 mph N | 2% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 61°F | Sunny | 2 to 7 mph W | 7% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 4% |
| Monday | 65°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 67°F | Sunny | 5 mph W | 1% |
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 Nov 4, 2026.