Oneida, IL Weather & Growing Conditions
Tonight
66°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before midnight, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. East southeast wind 3 to 7 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph ESE | 66% |
| Sunday | 71°F | Showers And Thunderstorms Likely | 5 to 14 mph NNE | 71% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 52% |
| Monday | 63°F | Rain Showers Likely | 13 to 16 mph ENE | 72% |
| Monday Night | 54°F | Rain Showers Likely | 14 mph ENE | 67% |
| Tuesday | 62°F | Rain Showers Likely | 15 mph NE | 56% |
| Tuesday Night | 50°F | Mostly Cloudy | 6 to 12 mph NNE | 8% |
| Wednesday | 64°F | Partly Sunny | 10 mph NNE | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 3 to 7 mph NE | 1% |
| Thursday | 68°F | Partly Sunny | 6 mph NE | 2% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 1 to 5 mph NE | 15% |
| Friday | 72°F | Slight Chance Rain Showers then Partly Sunny | 2 to 6 mph NE | 15% |
| Friday Night | 55°F | Partly Cloudy | 5 mph ENE | 6% |
| Saturday | 72°F | Mostly Sunny | 5 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oneida, IL
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
5b
Explore more for Oneida, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Altona, Il (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.