Sidney, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sidney, a village in Champaign County, Illinois.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South wind around 5 mph.
7-day forecast for Sidney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 mph S | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph SSE | 0% |
| Wednesday | 85°F | Mostly Sunny | 6 mph SSW | 3% |
| Wednesday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph S | 59% |
| Thursday | 82°F | Showers And Thunderstorms Likely | 6 mph SSW | 74% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 3 mph S | 44% |
| Friday | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 3 mph SSW | 23% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 2 mph SSW | 23% |
| Saturday | 85°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph SSW | 18% |
| Saturday Night | 69°F | Mostly Clear | 3 to 7 mph SSW | 14% |
| Sunday | 87°F | Sunny | 8 to 12 mph SSW | 9% |
| Sunday Night | 71°F | Partly Cloudy | 10 mph SSW | 11% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph SSW | 18% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 28% |
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
6a
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
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 Aug 4, 2026.