Dixon, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dixon, a city in Lee County, Illinois.
This Afternoon
67°F
Rain Showers
Rain showers. Cloudy, with a high near 67. South southeast wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Dixon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain Showers | 15 mph SSE | 85% |
| Tonight | 55°F | Rain Showers | 10 to 15 mph S | 84% |
| Wednesday | 58°F | Chance Rain Showers | 15 mph SSW | 33% |
| Wednesday Night | 45°F | Chance Rain Showers | 10 to 15 mph SW | 29% |
| Thursday | 55°F | Chance Rain Showers | 5 to 15 mph WSW | 51% |
| Thursday Night | 40°F | Chance Rain Showers | 5 to 10 mph NW | 31% |
| Friday | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 16% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph WNW | 3% |
| Saturday Night | 32°F | Partly Cloudy | 0 mph | 4% |
| Sunday | 57°F | Mostly Sunny | 0 to 10 mph W | 12% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 4% |
| Monday | 61°F | Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Dixon (41.845, -89.477). Updated through the day.
Growing snapshot for Dixon
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
5b
More local growing data for Dixon: nearby ZIP 61021 weather · frost dates · planting calendar · Illinois frost dates
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West Brooklyn
Climate data from the nearest NOAA station, Dixon 1W, Il (1.9 mi from Dixon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.