Palmyra, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Palmyra, a village in Macoupin County, Illinois.
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 for Palmyra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain | 12 to 17 mph S | 88% |
| Wednesday | 61°F | Slight Chance Drizzle then Mostly Cloudy | 9 to 14 mph SW | 12% |
| Wednesday Night | 40°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 62°F | Mostly Sunny | 6 to 10 mph W | 4% |
| Thursday Night | 39°F | Mostly Cloudy then Slight Chance T-storms | 6 mph NW | 21% |
| Friday | 57°F | Mostly Cloudy | 5 to 9 mph N | 8% |
| Friday Night | 34°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 | 32°F | Mostly Clear | 5 mph W | 4% |
| Monday | 65°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 37°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 67°F | Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Palmyra (39.434, -89.996). Updated through the day.
Growing snapshot for Palmyra
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
6b
More local growing data for Palmyra: nearby ZIP 62674 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Bunker Hill
Carlinville
Chesterfield
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Girard
Hettick
Lake Ka-Ho
Modesto
Mount Clare
Mount Olive
Nilwood
Royal Lakes
Sawyerville
Scottville
Shipman
Standard City
Staunton
Virden
White City
Wilsonville
Climate data from the nearest NOAA station, Carlinville, Il (13.4 mi from Palmyra). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.