Keyesport, IL Weather & Growing Conditions
Overnight
57°F
Slight Chance Light Rain
A slight chance of rain. Mostly cloudy, with a low around 57. Southwest wind around 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Slight Chance Light Rain | 10 mph SW | 21% |
| Wednesday | 61°F | Slight Chance Drizzle | 8 to 13 mph W | 16% |
| Wednesday Night | 43°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 64°F | Sunny | 5 to 12 mph W | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 3 mph NW | 1% |
| Friday | 57°F | Partly Sunny | 5 to 12 mph NW | 1% |
| Friday Night | 35°F | Partly Cloudy | 2 to 7 mph N | 0% |
| Saturday | 55°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 60°F | Sunny | 1 to 7 mph NW | 1% |
| Sunday Night | 34°F | Clear | 2 mph W | 1% |
| Monday | 64°F | Sunny | 0 to 6 mph SW | 0% |
| Monday Night | 39°F | Clear | 2 mph SW | 0% |
| Tuesday | 68°F | Sunny | 3 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Keyesport, IL
Last spring frost
Apr 6
First fall frost
Oct 29
Growing season
204 days
Hardiness zone
6b
Explore more for Keyesport, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Carlyle Rsvr, Il (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.