Mount Clare, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Clare, a village in Macoupin County, Illinois.
This Afternoon
72°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 66 in the afternoon. South wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.
7-day forecast for Mount Clare
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Rain | 18 to 23 mph S | 96% |
| Tonight | 51°F | Rain | 9 to 17 mph S | 93% |
| Wednesday | 61°F | Chance Rain Showers then Mostly Cloudy | 8 to 14 mph SW | 12% |
| Wednesday Night | 40°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 63°F | Sunny | 6 to 12 mph W | 1% |
| Thursday Night | 40°F | Mostly Cloudy | 5 mph NW | 11% |
| Friday | 57°F | Mostly Cloudy | 5 to 9 mph NW | 5% |
| Friday Night | 35°F | Partly Cloudy | 1 to 6 mph N | 2% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 61°F | Sunny | 1 to 7 mph W | 6% |
| Sunday Night | 33°F | Mostly Clear | 1 to 5 mph W | 4% |
| Monday | 64°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 37°F | Mostly Clear | 5 mph SW | 1% |
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
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Chesterfield
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Lake Ka-Ho
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Mount Olive
Nilwood
Palmyra
Royal Lakes
Sawyerville
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Standard City
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Virden
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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 Nov 3, 2026.