Penfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Penfield, a community in Champaign County, Illinois.
This Afternoon
75°F
Slight Chance Light Rain
A slight chance of rain after 4pm. Partly sunny, with a high near 75. South southeast wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Penfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Light Rain | 18 mph SSE | 24% |
| Tonight | 57°F | Light Rain | 13 to 16 mph S | 82% |
| Wednesday | 64°F | Chance Light Rain then Mostly Cloudy | 10 to 14 mph SSW | 38% |
| Wednesday Night | 46°F | Mostly Cloudy | 8 mph SW | 2% |
| Thursday | 62°F | Mostly Sunny | 7 to 13 mph WSW | 5% |
| Thursday Night | 43°F | Mostly Cloudy | 5 mph WNW | 12% |
| Friday | 56°F | Slight Chance Light Rain then Partly Sunny | 3 to 8 mph NNW | 19% |
| Friday Night | 36°F | Mostly Cloudy | 2 to 7 mph NNW | 7% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 4% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph W | 2% |
| Sunday | 60°F | Mostly Sunny | 2 to 7 mph W | 10% |
| Sunday Night | 34°F | Mostly Clear | 5 mph WNW | 9% |
| Monday | 63°F | Sunny | 2 to 9 mph WSW | 4% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Penfield (40.305, -87.944). Updated through the day.
Growing snapshot for Penfield
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
179 days
Hardiness zone
6a
More local growing data for Penfield: nearby ZIP 61862 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
Mahomet
Ogden
Pesotum
Philo
Rantoul
Royal
Sadorus
Savoy
Seymour
Sidney
St. Joseph
Thomasboro
Tolono
Urbana
Climate data from the nearest NOAA station, Rantoul, Il (10.6 mi from Penfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.