Claremont, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Claremont, a village in Richland County, Illinois.
This Afternoon
99°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 4pm and 5pm, then a chance of showers and thunderstorms. Sunny. High near 99, with temperatures falling to around 94 in the afternoon. Heat index values as high as 110. North wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Claremont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Slight Chance Showers And Thunderstorms | 6 mph N | 30% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 mph E | 31% |
| Saturday | 95°F | Mostly Sunny | 5 to 9 mph SW | 12% |
| Saturday Night | 72°F | Partly Cloudy | 7 mph SSW | 8% |
| Sunday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph W | 17% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph NNE | 33% |
| Monday | 83°F | Chance Rain Showers | 9 to 13 mph NE | 50% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 9 to 14 mph NNE | 50% |
| Tuesday | 75°F | Chance Showers And Thunderstorms | 10 to 14 mph NNE | 40% |
| Tuesday Night | 56°F | Mostly Cloudy | 7 to 14 mph NNE | 9% |
| Wednesday | 75°F | Partly Sunny | 8 to 12 mph N | 4% |
| Wednesday Night | 56°F | Partly Cloudy | 5 to 12 mph NNE | 4% |
| Thursday | 76°F | Mostly Sunny | 5 to 10 mph N | 4% |
| Thursday Night | 57°F | Partly Cloudy | 5 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Claremont (38.718, -87.973). Updated through the day.
Growing snapshot for Claremont
Last spring frost
Apr 15
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6b
More local growing data for Claremont: nearby ZIP 62421 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Olney 2S, Il (8.3 mi from Claremont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.