Palmer, IL Weather & Growing Conditions
Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 7 mph SE | 7% |
| Saturday | 93°F | Partly Sunny | 6 to 10 mph SSW | 11% |
| Saturday Night | 70°F | Partly Cloudy then Slight Chance Rain Showers | 7 mph SSW | 15% |
| Sunday | 89°F | Chance Rain Showers | 2 to 7 mph NW | 35% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 8 mph NE | 64% |
| Monday | 75°F | Showers And Thunderstorms Likely | 10 mph NE | 64% |
| Monday Night | 56°F | Showers And Thunderstorms Likely | 7 to 10 mph NE | 61% |
| Tuesday | 70°F | Chance Rain Showers then Mostly Cloudy | 10 mph NNE | 32% |
| Tuesday Night | 52°F | Mostly Cloudy | 3 to 9 mph NNE | 5% |
| Wednesday | 73°F | Partly Sunny | 6 to 9 mph NNE | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 7 mph NNE | 2% |
| Thursday | 74°F | Mostly Sunny | 3 to 8 mph NNE | 3% |
| Thursday Night | 55°F | Partly Cloudy | 2 to 6 mph NNE | 5% |
| Friday | 76°F | Mostly Sunny | 3 to 7 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Palmer, IL
Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
190 days
Hardiness zone
6a
Explore more for Palmer, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Morrisonville, Il (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.