Watseka, IL Weather & Growing Conditions
Today
84°F
Patchy Fog then Mostly Sunny
Patchy fog before 8am. Mostly sunny, with a high near 84. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Mostly Sunny | 0 mph | 0% |
| Tonight | 62°F | Partly Cloudy | 0 mph | 0% |
| Wednesday | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 19% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 0 mph | 82% |
| Thursday | 80°F | Showers And Thunderstorms | 0 to 5 mph SSW | 82% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms | 0 mph | 52% |
| Friday | 82°F | Partly Sunny | 0 mph | 10% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Saturday | 84°F | Mostly Sunny | 0 to 5 mph SSW | 13% |
| Saturday Night | 68°F | Mostly Clear | 0 to 5 mph SSW | 11% |
| Sunday | 86°F | Mostly Sunny | 5 to 10 mph SSW | 11% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 22% |
| Monday | 86°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 23% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 5 mph SW | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Watseka, IL
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5b
Explore more for Watseka, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Watseka 2 Nw, Il (0.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.