Crescent City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crescent City, a village in Iroquois County, Illinois.
This Afternoon
75°F
Slight Chance Rain
A slight chance of rain. Partly sunny. High near 75, with temperatures falling to around 71 in the afternoon. South wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
7-day forecast for Crescent City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Rain | 20 mph S | 23% |
| Tonight | 59°F | Rain | 15 to 20 mph S | 78% |
| Wednesday | 64°F | Chance Rain then Mostly Cloudy | 10 to 15 mph SSW | 39% |
| Wednesday Night | 47°F | Mostly Cloudy | 10 mph SW | 4% |
| Thursday | 61°F | Partly Sunny | 5 to 15 mph WSW | 5% |
| Thursday Night | 43°F | Mostly Cloudy then Slight Chance Rain | 0 to 5 mph WNW | 23% |
| Friday | 56°F | Slight Chance Rain then Mostly Cloudy | 0 to 5 mph NNW | 23% |
| Friday Night | 34°F | Partly Cloudy | 0 to 5 mph NNW | 9% |
| Saturday | 54°F | Mostly Sunny | 0 to 5 mph WNW | 6% |
| Saturday Night | 31°F | Partly Cloudy | 0 mph | 3% |
| Sunday | 60°F | Mostly Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph WNW | 10% |
| Monday | 64°F | Sunny | 0 to 5 mph WSW | 4% |
| Monday Night | 37°F | Mostly Clear | 5 mph WSW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Crescent City (40.772, -87.857). Updated through the day.
Growing snapshot for Crescent City
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5b
More local growing data for Crescent City: nearby ZIP 60928 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Ashkum
Beaverville
Buckley
Cissna Park
Clifton
Danforth
Donovan
Gilman
Iroquois
Loda
Martinton
Milford
Onarga
Papineau
Sheldon
Thawville
Watseka
Wellington
Woodland
Climate data from the nearest NOAA station, Watseka 2 Nw, Il (6.1 mi from Crescent City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.