Penfield, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Penfield, a community in Champaign County, Illinois.

Tonight

66°F

Mostly Cloudy

Mostly cloudy, with a low around 66. East southeast wind around 7 mph.

7-day forecast for Penfield

When	Temp	Forecast	Wind	Precip
Tonight	66°F	Mostly Cloudy	7 mph ESE	8%
Saturday	86°F	Chance Showers And Thunderstorms	6 to 9 mph SSE	38%
Saturday Night	68°F	Slight Chance Showers And Thunderstorms	7 mph SSW	41%
Sunday	81°F	Showers And Thunderstorms Likely	2 to 9 mph NNE	61%
Sunday Night	59°F	Showers And Thunderstorms Likely	12 mph NE	61%
Monday	69°F	Showers And Thunderstorms Likely	13 mph ENE	68%
Monday Night	54°F	Chance Showers And Thunderstorms	9 to 14 mph NE	47%
Tuesday	67°F	Chance Showers And Thunderstorms	12 mph NE	27%
Tuesday Night	52°F	Mostly Cloudy	5 to 10 mph NNE	12%
Wednesday	69°F	Partly Sunny	6 to 9 mph NNE	6%
Wednesday Night	53°F	Mostly Cloudy	3 to 8 mph NNE	6%
Thursday	71°F	Mostly Sunny	3 to 7 mph NNE	5%
Thursday Night	54°F	Partly Cloudy	2 to 6 mph NNE	4%
Friday	73°F	Mostly Sunny	3 to 7 mph NNE	4%

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

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

All Illinois locations ›

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 Sep 19, 2026.