Fairbury, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairbury, a city in Livingston County, Illinois.
This Afternoon
72°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 72, with temperatures falling to around 69 in the afternoon. South wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fairbury
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Rain Showers | 20 mph S | 46% |
| Tonight | 57°F | Rain Showers | 15 to 20 mph S | 85% |
| Wednesday | 62°F | Chance Rain Showers then Mostly Cloudy | 15 mph SW | 35% |
| Wednesday Night | 46°F | Mostly Cloudy | 10 mph SW | 4% |
| Thursday | 61°F | Partly Sunny | 10 to 15 mph WSW | 6% |
| Thursday Night | 42°F | Mostly Cloudy then Chance Rain Showers | 5 mph WNW | 30% |
| Friday | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNW | 17% |
| Friday Night | 33°F | Partly Cloudy | 0 to 10 mph NNW | 4% |
| Saturday | 54°F | Mostly Sunny | 0 to 5 mph WNW | 3% |
| Saturday Night | 31°F | Partly Cloudy | 0 mph | 4% |
| Sunday | 59°F | Sunny | 5 to 10 mph W | 11% |
| Sunday Night | 32°F | Mostly Clear | 5 mph W | 9% |
| Monday | 64°F | Sunny | 5 to 10 mph WSW | 3% |
| Monday Night | 37°F | Mostly Clear | 5 mph WSW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Fairbury (40.746, -88.516). Updated through the day.
Growing snapshot for Fairbury
Last spring frost
Apr 23
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
6a
More local growing data for Fairbury: nearby ZIP 61739 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Campus
Chatsworth
Cornell
Cullom
Dwight
Emington
Flanagan
Forrest
Long Point
Odell
Pontiac
Saunemin
Strawn
Climate data from the nearest NOAA station, Chenoa, Il (10.3 mi from Fairbury). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.