Highland, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highland, a city in Madison County, Illinois.
This Afternoon
72°F
Slight Chance T-storms
A slight chance of thunderstorms and a slight chance of rain before 1pm, then rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 67 in the afternoon. South wind 18 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
7-day forecast for Highland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Slight Chance T-storms | 18 to 25 mph S | 91% |
| Tonight | 54°F | Rain | 9 to 17 mph S | 96% |
| 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 | 5% |
| 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) for Highland (38.770, -89.686). Updated through the day.
Growing snapshot for Highland
Last spring frost
Apr 6
First fall frost
Oct 29
Growing season
204 days
Hardiness zone
6b
More local growing data for Highland: nearby ZIP 62249 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Carlyle Rsvr, Il (18.7 mi from Highland). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.