Effingham, IL Weather & Growing Conditions
This Afternoon
75°F
Chance Light Rain
A chance of rain. Partly sunny, with a high near 75. South southeast wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Chance Light Rain | 16 mph SSE | 28% |
| Tonight | 56°F | Rain | 10 to 15 mph S | 88% |
| Wednesday | 63°F | Slight Chance Light Rain then Mostly Cloudy | 7 to 13 mph SW | 21% |
| Wednesday Night | 44°F | Mostly Cloudy | 5 mph WSW | 0% |
| Thursday | 64°F | Sunny | 5 to 10 mph WSW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 3 mph WNW | 3% |
| Friday | 57°F | Partly Sunny | 3 to 8 mph NNW | 8% |
| Friday Night | 38°F | Partly Cloudy | 2 to 6 mph NNW | 1% |
| Saturday | 55°F | Mostly Sunny | 5 mph NW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 1 mph WNW | 1% |
| Sunday | 60°F | Sunny | 1 to 7 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear | 3 mph WNW | 6% |
| Monday | 63°F | Sunny | 1 to 8 mph WSW | 3% |
| Monday Night | 38°F | Mostly Clear | 3 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Effingham, IL
Last spring frost
Apr 13
First fall frost
Oct 24
Growing season
191 days
Hardiness zone
6b
Explore more for Effingham, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Effingham 3Sw, Il (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.