Keyesport, IL Weather & Growing Conditions
Overnight
65°F
Mostly Clear
Mostly clear, with a low around 65. Southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Clear | 1 mph SE | 0% |
| Tuesday | 86°F | Sunny | 1 mph SE | 3% |
| Tuesday Night | 66°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 87°F | Sunny | 2 mph S | 7% |
| Wednesday Night | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 3 mph S | 39% |
| Thursday | 85°F | Chance Showers And Thunderstorms | 5 mph SW | 53% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 2 mph S | 39% |
| Friday | 85°F | Chance Showers And Thunderstorms | 2 mph SW | 39% |
| Friday Night | 68°F | Slight Chance Showers And Thunderstorms | 1 mph S | 29% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 2 mph S | 29% |
| Saturday Night | 71°F | Mostly Clear | 3 mph S | 12% |
| Sunday | 89°F | Sunny | 3 to 8 mph S | 8% |
| Sunday Night | 74°F | Mostly Clear | 5 to 8 mph S | 5% |
| Monday | 91°F | Sunny | 5 to 8 mph SW | 5% |
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 Aug 4, 2026.