Claremont, IL Weather & Growing Conditions
Today
67°F
Slight Chance Light Rain then Slight Chance Drizzle
A slight chance of rain before 8am, then a slight chance of drizzle. Mostly cloudy. High near 67, with temperatures falling to around 61 in the afternoon. West southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Slight Chance Light Rain then Slight Chance Drizzle | 9 to 14 mph WSW | 22% |
| Tonight | 44°F | Slight Chance Drizzle then Partly Cloudy | 6 to 9 mph WSW | 10% |
| Thursday | 66°F | Sunny | 8 to 13 mph WSW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 5 mph WNW | 0% |
| Friday | 58°F | Partly Sunny | 3 to 12 mph NNW | 1% |
| Friday Night | 36°F | Partly Cloudy | 3 to 9 mph NNW | 0% |
| Saturday | 56°F | Sunny | 6 mph NNW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 60°F | Sunny | 2 to 8 mph WNW | 2% |
| Sunday Night | 34°F | Clear | 0 to 3 mph WNW | 1% |
| Monday | 64°F | Sunny | 0 to 7 mph WSW | 0% |
| Monday Night | 38°F | Clear | 3 mph SW | 0% |
| Tuesday | 67°F | Sunny | 2 to 6 mph W | 1% |
| Tuesday Night | 40°F | Mostly Clear | 2 mph NNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Claremont, IL
Last spring frost
Apr 15
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6b
Explore more for Claremont, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Olney 2S, Il (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.