Harman US

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

WhenTempForecastWindPrecip
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.