Washburn, IL Weather & Growing Conditions
Today
59°F
Slight Chance Light Rain then Slight Chance Drizzle
A slight chance of rain before 8am, then a slight chance of drizzle. Cloudy, with a high near 59. Southwest wind around 14 mph, with gusts as high as 26 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 |
|---|---|---|---|---|
| Today | 59°F | Slight Chance Light Rain then Slight Chance Drizzle | 14 mph SW | 16% |
| Tonight | 45°F | Slight Chance Drizzle then Cloudy | 13 mph SW | 10% |
| Thursday | 56°F | Cloudy then Chance Light Rain | 10 to 15 mph W | 26% |
| Thursday Night | 42°F | Chance Light Rain | 6 to 9 mph NW | 35% |
| Friday | 51°F | Partly Sunny | 8 to 12 mph N | 4% |
| Friday Night | 33°F | Partly Cloudy | 1 to 7 mph NNW | 0% |
| Saturday | 52°F | Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 3 mph W | 2% |
| Sunday | 57°F | Sunny | 3 to 8 mph W | 2% |
| Sunday Night | 35°F | Clear | 3 mph WSW | 1% |
| Monday | 62°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 6 mph WSW | 0% |
| Tuesday | 64°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 2 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Washburn, IL
Last spring frost
Apr 20
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
5b
Explore more for Washburn, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Lacon, Il (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.