Palmer, IL Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 5 mph S | 0% |
| Tonight | 67°F | Mostly Clear | 5 mph SSE | 0% |
| Wednesday | 87°F | Mostly Sunny | 3 to 7 mph S | 10% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 5 mph S | 78% |
| Thursday | 83°F | Showers And Thunderstorms | 6 mph SSW | 79% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 mph S | 24% |
| Friday | 84°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 3 mph SW | 17% |
| Friday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 2 mph SSW | 26% |
| Saturday | 87°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph SSW | 26% |
| Saturday Night | 70°F | Mostly Clear | 2 to 6 mph S | 11% |
| Sunday | 89°F | Sunny | 6 to 10 mph SSW | 5% |
| Sunday Night | 72°F | Mostly Clear | 8 mph SSW | 8% |
| Monday | 90°F | Mostly Sunny | 9 mph SSW | 11% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 8 mph SSW | 23% |
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 Aug 4, 2026.