Highland, IL Weather & Growing Conditions
This Afternoon
72°F
Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 72. South wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Rain | 21 mph S | 88% |
| Tonight | 54°F | Rain | 9 to 18 mph S | 98% |
| Wednesday | 64°F | Chance Rain Showers then Mostly Cloudy | 8 to 15 mph W | 12% |
| Wednesday Night | 43°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 66°F | Sunny | 5 to 13 mph W | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 5 mph NW | 4% |
| Friday | 58°F | Partly Sunny | 5 to 12 mph NW | 7% |
| Friday Night | 38°F | Partly Cloudy | 2 to 7 mph N | 1% |
| Saturday | 56°F | Mostly Sunny | 5 mph NW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 1 mph NW | 0% |
| Sunday | 61°F | Sunny | 1 to 8 mph W | 7% |
| Sunday Night | 35°F | Mostly Clear | 1 to 5 mph NW | 5% |
| Monday | 65°F | Sunny | 1 to 8 mph W | 2% |
| Monday Night | 39°F | Mostly Clear | 3 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Highland, IL
Last spring frost
Apr 6
First fall frost
Oct 29
Growing season
204 days
Hardiness zone
6b
Explore more for Highland, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Carlyle Rsvr, Il (18.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.