Mount Clare, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Clare, a village in Macoupin County, Illinois.
Tonight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. Southeast wind 6 to 9 mph.
7-day forecast for Mount Clare
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Partly Cloudy | 6 to 9 mph SE | 12% |
| Saturday | 95°F | Mostly Sunny | 5 to 8 mph SW | 6% |
| Saturday Night | 70°F | Partly Cloudy | 5 mph S | 6% |
| Sunday | 91°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph NW | 30% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 9 mph N | 61% |
| Monday | 77°F | Showers And Thunderstorms Likely | 6 to 12 mph NE | 63% |
| Monday Night | 56°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 7 to 13 mph NE | 63% |
| Tuesday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 24% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 12 mph N | 4% |
| Wednesday | 73°F | Mostly Sunny | 6 to 9 mph N | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 8 mph N | 2% |
| Thursday | 75°F | Mostly Sunny | 3 to 7 mph N | 4% |
| Thursday Night | 55°F | Partly Cloudy | 2 to 6 mph NE | 3% |
| Friday | 75°F | Mostly Sunny | 3 to 7 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Mount Clare (39.097, -89.834). Updated through the day.
Growing snapshot for Mount Clare
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
6b
More local growing data for Mount Clare: nearby ZIP 62085 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Benld
Bunker Hill
Carlinville
Chesterfield
Dorchester
Eagarville
East Gillespie
Gillespie
Girard
Hettick
Lake Ka-Ho
Modesto
Mount Olive
Nilwood
Palmyra
Royal Lakes
Sawyerville
Scottville
Shipman
Standard City
Staunton
Virden
White City
Wilsonville
Climate data from the nearest NOAA station, Carlinville, Il (14.7 mi from Mount Clare). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.