Keyesport, IL Weather & Growing Conditions
Overnight
73°F
Mostly Clear
Mostly clear, with a low around 73. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Mostly Clear | 5 mph SE | 3% |
| Saturday | 96°F | Mostly Sunny | 2 to 6 mph SW | 7% |
| Saturday Night | 73°F | Partly Cloudy | 5 mph S | 4% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 25% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 53% |
| Monday | 78°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 71% |
| Monday Night | 58°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 71% |
| Tuesday | 72°F | Slight Chance Rain Showers | 12 mph NE | 22% |
| Tuesday Night | 54°F | Mostly Cloudy | 5 to 12 mph N | 9% |
| Wednesday | 74°F | Mostly Sunny | 6 to 10 mph N | 4% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 9 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 3 to 8 mph N | 2% |
| Thursday Night | 57°F | Partly Cloudy | 2 to 7 mph NE | 3% |
| Friday | 78°F | Mostly Sunny | 3 to 7 mph NE | 3% |
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 Sep 19, 2026.