Oneida, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oneida, a city in Knox County, Illinois.
Tonight
52°F
Light Rain Likely
Rain likely before 3am, then a slight chance of rain showers. Mostly cloudy, with a low around 52. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Oneida
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Light Rain Likely | 10 to 15 mph SSW | 63% |
| Wednesday | 57°F | Chance Rain Showers then Mostly Cloudy | 17 mph SW | 25% |
| Wednesday Night | 46°F | Mostly Cloudy | 14 mph SW | 10% |
| Thursday | 56°F | Chance Light Rain | 9 to 15 mph WSW | 26% |
| Thursday Night | 42°F | Chance Light Rain | 6 to 9 mph NW | 31% |
| Friday | 52°F | Partly Sunny | 7 to 13 mph N | 14% |
| Friday Night | 35°F | Partly Cloudy | 1 to 6 mph NNW | 1% |
| Saturday | 52°F | Mostly Sunny | 1 to 5 mph WNW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 1 to 5 mph W | 3% |
| Sunday | 58°F | Sunny | 5 to 9 mph W | 11% |
| Sunday Night | 36°F | Mostly Clear | 6 mph W | 2% |
| Monday | 63°F | Sunny | 5 to 12 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 to 8 mph W | 0% |
| Tuesday | 64°F | Sunny | 7 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Oneida (41.072, -90.225). Updated through the day.
Growing snapshot for Oneida
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
5b
More local growing data for Oneida: nearby ZIP 61467 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Abingdon
Altona
East Galesburg
Galesburg
Gilson
Henderson
Knoxville
Maquon
Nekoma
Oak Run
Rio
St. Augustine
Victoria
Wataga
Williamsfield
Yates City
Climate data from the nearest NOAA station, Altona, Il (5.4 mi from Oneida). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.