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Carbon Cliff, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Carbon Cliff, a village in Rock Island County, Illinois.

Tonight
52°F
Mostly Cloudy
Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. Southwest wind 10 to 15 mph.

7-day forecast for Carbon Cliff

WhenTempForecastWindPrecip
Tonight 52°F Mostly Cloudy 10 to 15 mph SW 9%
Wednesday 58°F Slight Chance Rain Showers 15 mph SW 24%
Wednesday Night 46°F Mostly Cloudy 10 to 15 mph SW 12%
Thursday 56°F Chance Rain Showers 10 to 15 mph W 43%
Thursday Night 41°F Slight Chance Rain Showers then Mostly Cloudy 10 mph NW 16%
Friday 51°F Partly Sunny 5 to 10 mph N 5%
Friday Night 32°F Mostly Clear 0 to 5 mph N 0%
Saturday 52°F Sunny 0 to 5 mph NW 0%
Saturday Night 34°F Mostly Clear 0 to 5 mph W 2%
Sunday 57°F Sunny 5 to 10 mph W 1%
Sunday Night 35°F Clear 0 to 5 mph SW 1%
Monday 63°F Sunny 0 to 10 mph SW 0%
Monday Night 40°F Mostly Clear 5 mph W 0%
Tuesday 64°F Sunny 5 mph NW 0%

Forecast source: National Weather Service (api.weather.gov) for Carbon Cliff (41.498, -90.392). Updated through the day.

Growing snapshot for Carbon Cliff

Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
5b

More local growing data for Carbon Cliff: nearby ZIP 61239 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Le Claire L&D 14, Ia (5.5 mi from Carbon Cliff). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.