Colfax, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Colfax, a village in Mclean County, Illinois.
This Afternoon
78°F
Slight Chance Showers And Thunderstorms
Rain showers likely before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Mostly cloudy, with a high near 78. East wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Colfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Slight Chance Showers And Thunderstorms | 9 mph E | 64% |
| Tonight | 67°F | Partly Cloudy | 10 mph ESE | 10% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 10 mph S | 33% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 mph S | 51% |
| Sunday | 78°F | Showers And Thunderstorms Likely | 5 to 14 mph NNE | 65% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 14 mph NE | 65% |
| Monday | 67°F | Showers And Thunderstorms Likely | 13 to 16 mph ENE | 68% |
| Monday Night | 51°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 48% |
| Tuesday | 65°F | Chance Rain Showers | 15 mph NE | 25% |
| Tuesday Night | 50°F | Mostly Cloudy | 7 to 14 mph NNE | 8% |
| Wednesday | 68°F | Partly Sunny | 8 to 12 mph NNE | 4% |
| Wednesday Night | 51°F | Partly Cloudy | 5 to 10 mph NNE | 4% |
| Thursday | 70°F | Mostly Sunny | 5 to 9 mph NNE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 5 to 8 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Colfax (40.567, -88.616). Updated through the day.
Growing snapshot for Colfax
Last spring frost
Apr 23
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
6a
More local growing data for Colfax: nearby ZIP 61728 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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McLean
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Climate data from the nearest NOAA station, Chenoa, Il (12.2 mi from Colfax). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.