Mahomet, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mahomet, a village in Champaign County, Illinois.
This Afternoon
72°F
Chance Light Rain
A chance of rain after 2pm. Mostly cloudy, with a high near 72. South wind 20 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mahomet
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Light Rain | 20 to 23 mph S | 35% |
| Tonight | 55°F | Light Rain | 15 to 20 mph S | 96% |
| Wednesday | 62°F | Chance Light Rain then Mostly Cloudy | 13 to 16 mph SW | 30% |
| Wednesday Night | 45°F | Mostly Cloudy | 12 mph SW | 2% |
| Thursday | 61°F | Mostly Sunny | 10 to 16 mph WSW | 5% |
| Thursday Night | 43°F | Mostly Cloudy | 5 to 8 mph WNW | 11% |
| Friday | 55°F | Slight Chance Light Rain then Partly Sunny | 7 to 12 mph NNW | 19% |
| Friday Night | 36°F | Mostly Cloudy | 5 to 10 mph NNW | 5% |
| Saturday | 54°F | Mostly Sunny | 6 mph NW | 2% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph W | 2% |
| Sunday | 59°F | Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 34°F | Mostly Clear | 5 to 8 mph WNW | 7% |
| Monday | 63°F | Sunny | 5 to 12 mph WSW | 3% |
| Monday Night | 39°F | Mostly Clear | 6 to 9 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Mahomet (40.190, -88.390). Updated through the day.
Growing snapshot for Mahomet
Last spring frost
Apr 23
First fall frost
Oct 13
Growing season
170 days
Hardiness zone
6a
More local growing data for Mahomet: nearby ZIP 61853 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Bondville
Broadlands
Champaign
Dewey
Fisher
Foosland
Gifford
Homer
Ivesdale
Lake of the Woods
Longview
Ludlow
Ogden
Penfield
Pesotum
Philo
Rantoul
Royal
Sadorus
Savoy
Seymour
Sidney
St. Joseph
Thomasboro
Tolono
Urbana
Climate data from the nearest NOAA station, Champaign 9 Sw, Il (12.5 mi from Mahomet). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.