Watson, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Watson, a village in Effingham County, Illinois.
This Afternoon
62°F
Slight Chance Drizzle
A slight chance of drizzle. Mostly cloudy, with a high near 62. West southwest wind 6 to 10 mph, with gusts as high as 17 mph.
7-day forecast for Watson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Slight Chance Drizzle | 6 to 10 mph WSW | 10% |
| Tonight | 44°F | Patchy Drizzle then Mostly Cloudy | 5 mph SW | 10% |
| Thursday | 62°F | Mostly Sunny | 5 to 12 mph WSW | 2% |
| Thursday Night | 43°F | Mostly Cloudy | 5 mph NW | 10% |
| Friday | 54°F | Partly Sunny | 5 to 10 mph NNW | 1% |
| Friday Night | 32°F | Mostly Clear | 5 mph NNW | 0% |
| Saturday | 54°F | Sunny | 5 mph NNW | 0% |
| Saturday Night | 30°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 58°F | Sunny | 1 to 5 mph WNW | 0% |
| Sunday Night | 33°F | Mostly Clear | 1 mph NW | 0% |
| Monday | 64°F | Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 37°F | Clear | 2 mph WSW | 0% |
| Tuesday | 64°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 38°F | Mostly Clear | 1 mph NNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Watson (39.026, -88.569). Updated through the day.
Growing snapshot for Watson
Last spring frost
Apr 13
First fall frost
Oct 24
Growing season
191 days
Hardiness zone
6b
More local growing data for Watson: nearby ZIP 62473 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Effingham 3Sw, Il (7.3 mi from Watson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.