Williamsfield, IL Weather & Growing Conditions
This Afternoon
82°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly cloudy, with a high near 82. South southeast wind around 8 mph, with gusts as high as 16 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Slight Chance Rain Showers | 8 mph SSE | 16% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 6 mph SE | 59% |
| Sunday | 73°F | Showers And Thunderstorms Likely | 5 to 13 mph NNE | 65% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 12 to 15 mph ENE | 49% |
| Monday | 65°F | Rain Showers Likely | 15 mph ENE | 70% |
| Monday Night | 54°F | Rain Showers Likely | 14 mph NE | 64% |
| Tuesday | 63°F | Chance Rain Showers | 14 mph NE | 51% |
| Tuesday Night | 51°F | Mostly Cloudy | 6 to 13 mph NNE | 10% |
| Wednesday | 66°F | Partly Sunny | 7 to 10 mph NNE | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 8 mph NNE | 1% |
| Thursday | 69°F | Partly Sunny | 6 mph NNE | 2% |
| Thursday Night | 55°F | Mostly Cloudy | 1 to 5 mph NE | 4% |
| Friday | 73°F | Partly Sunny | 2 to 6 mph NE | 5% |
| Friday Night | 55°F | Partly Cloudy | 1 to 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamsfield, IL
Last spring frost
Apr 22
First fall frost
Oct 14
Growing season
174 days
Hardiness zone
5b
Explore more for Williamsfield, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Princeville, Il (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.