Waterman, IL Weather & Growing Conditions
Overnight
57°F
Rain Showers
Rain showers. Cloudy. Low around 57, with temperatures rising to around 60 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Rain Showers | 15 mph S | 78% |
| Wednesday | 61°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph SSW | 19% |
| Wednesday Night | 46°F | Mostly Cloudy | 15 mph SW | 13% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph WSW | 43% |
| Thursday Night | 40°F | Chance Rain Showers | 10 to 15 mph NW | 36% |
| Friday | 49°F | Partly Sunny | 10 to 15 mph N | 10% |
| Friday Night | 32°F | Mostly Clear | 5 to 10 mph NNW | 0% |
| Saturday | 51°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 mph WNW | 1% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 34°F | Clear | 5 mph W | 0% |
| Monday | 60°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Waterman, IL
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
163 days
Hardiness zone
5b
Explore more for Waterman, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Shabbona 5 Nne, Il (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.