Palmyra, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Palmyra, a village in Macoupin County, Illinois.
This Afternoon
94°F
Mostly Cloudy
Mostly cloudy, with a high near 94. West wind around 6 mph.
7-day forecast for Palmyra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Mostly Cloudy | 6 mph W | 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 | 50% |
| 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 | 55°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) 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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Lake Ka-Ho
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Mount Clare
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Standard City
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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 Sep 19, 2026.