South Holland, IL Weather & Growing Conditions
Today
78°F
Showers And Thunderstorms
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 78. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Showers And Thunderstorms | 5 to 10 mph SE | 100% |
| Tonight | 65°F | Showers And Thunderstorms | 5 to 10 mph S | 94% |
| Sunday | 71°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 65% |
| Sunday Night | 57°F | Chance Rain Showers | 15 mph NE | 37% |
| Monday | 66°F | Chance Rain Showers | 15 mph NE | 35% |
| Monday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 21% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 to 15 mph NE | 17% |
| Tuesday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Wednesday | 65°F | Partly Sunny | 5 to 10 mph NE | 12% |
| Wednesday Night | 55°F | Mostly Cloudy | 5 to 10 mph NNE | 6% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 55°F | Mostly Cloudy | 5 mph NNE | 3% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Friday Night | 55°F | Partly Cloudy | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Holland, IL
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
Explore more for South Holland, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Park Forest, Il (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.