Watson, IL Weather & Growing Conditions
Tonight
56°F
Rain
Rain before 1am, then rain showers likely between 1am and 5am. Mostly cloudy, with a low around 56. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain | 10 to 15 mph S | 95% |
| Wednesday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 13 mph SW | 18% |
| Wednesday Night | 43°F | Mostly Cloudy | 5 mph WSW | 0% |
| Thursday | 64°F | Sunny | 5 to 10 mph WSW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 3 mph WNW | 3% |
| Friday | 57°F | Partly Sunny | 3 to 9 mph NNW | 7% |
| Friday Night | 37°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 NW | 6% |
| Monday | 64°F | Sunny | 1 to 8 mph W | 2% |
| Monday Night | 38°F | Mostly Clear | 3 mph SW | 1% |
| Tuesday | 67°F | Sunny | 2 to 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Watson, IL
Last spring frost
Apr 13
First fall frost
Oct 24
Growing season
191 days
Hardiness zone
6b
Explore more for Watson, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Effingham 3Sw, Il (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.