Sidney, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sidney, a village 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 wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

7-day forecast for Sidney

When	Temp	Forecast	Wind	Precip
This Afternoon	75°F	Slight Chance Light Rain	16 to 21 mph S	21%
Tonight	57°F	Rain	13 to 17 mph S	83%
Wednesday	64°F	Chance Light Rain then Mostly Cloudy	10 to 15 mph SSW	29%
Wednesday Night	45°F	Mostly Cloudy	8 mph SW	1%
Thursday	62°F	Mostly Sunny	7 to 13 mph WSW	3%
Thursday Night	43°F	Mostly Cloudy	5 mph WNW	8%
Friday	56°F	Slight Chance Light Rain then Partly Sunny	5 to 9 mph NNW	16%
Friday Night	36°F	Mostly Cloudy	3 to 7 mph NNW	7%
Saturday	54°F	Mostly Sunny	3 mph NW	2%
Saturday Night	33°F	Partly Cloudy	2 mph W	2%
Sunday	60°F	Mostly Sunny	2 to 8 mph W	11%
Sunday Night	33°F	Mostly Clear	5 mph WNW	8%
Monday	63°F	Sunny	3 to 9 mph WSW	4%
Monday Night	38°F	Mostly Clear	6 mph WSW	2%

Forecast source: National Weather Service (api.weather.gov) for Sidney (40.025, -88.072). Updated through the day.

Growing snapshot for Sidney

Last spring frost

Apr 20

First fall frost

Oct 21

Growing season

182 days

Hardiness zone

More local growing data for Sidney: nearby ZIP 61877 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 Penfield Pesotum Philo Rantoul Royal Sadorus Savoy Seymour St. Joseph Thomasboro Tolono Urbana

All Illinois locations ›

Climate data from the nearest NOAA station, Ogden, Il (10.3 mi from Sidney). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.