Watseka, IL Weather & Growing Conditions
Today
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 9am, then showers and thunderstorms between 9am and noon, then a chance of showers and thunderstorms between noon and 4pm. Cloudy. High near 82, with temperatures falling to around 80 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Showers And Thunderstorms | 5 mph SE | 79% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 0 mph | 56% |
| Sunday | 74°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 10 mph N | 80% |
| Sunday Night | 55°F | Chance Showers And Thunderstorms | 10 mph NE | 51% |
| Monday | 66°F | Showers And Thunderstorms Likely | 10 mph ENE | 58% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 10 mph NE | 45% |
| Tuesday | 65°F | Chance Showers And Thunderstorms | 10 mph NE | 27% |
| Tuesday Night | 51°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph NNE | 27% |
| Wednesday | 67°F | Partly Sunny | 5 mph NNE | 6% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 mph NNE | 3% |
| Thursday | 69°F | Partly Sunny | 5 mph NNE | 2% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph NNE | 2% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NNE | 2% |
| Friday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 2% |
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 Sep 19, 2026.