Penfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Penfield, a community in Champaign County, Illinois.
Today
83°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 83. South wind around 5 mph.
7-day forecast for Penfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Patchy Fog then Sunny | 5 mph S | 0% |
| Tonight | 65°F | Mostly Clear | 3 mph SSE | 0% |
| Wednesday | 84°F | Mostly Sunny | 2 to 6 mph SSW | 8% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 5 mph S | 73% |
| Thursday | 81°F | Showers And Thunderstorms | 5 mph SSW | 77% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 2 mph S | 46% |
| Friday | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 mph S | 21% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 1 mph SSW | 25% |
| Saturday | 84°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph SSW | 16% |
| Saturday Night | 69°F | Mostly Clear | 2 to 7 mph SSW | 12% |
| Sunday | 86°F | Sunny | 7 to 10 mph SSW | 9% |
| Sunday Night | 70°F | Partly Cloudy | 9 mph SSW | 13% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 9 mph SW | 20% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 9 mph SW | 31% |
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 Aug 4, 2026.