Northfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Northfield, a village in Cook County, Illinois.
Tonight
61°F
Mostly Cloudy then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 61. East wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Northfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy then Showers And Thunderstorms Likely | 10 to 15 mph E | 56% |
| Saturday | 75°F | Showers And Thunderstorms Likely | 10 to 15 mph SE | 90% |
| Saturday Night | 63°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph NE | 81% |
| Sunday | 68°F | Showers And Thunderstorms | 10 to 20 mph NNE | 78% |
| Sunday Night | 55°F | Chance Rain Showers | 15 to 20 mph NE | 51% |
| Monday | 66°F | Chance Rain Showers | 15 to 20 mph ENE | 45% |
| Monday Night | 54°F | Chance Rain Showers | 15 mph ENE | 31% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 mph NE | 21% |
| Tuesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 21% |
| Wednesday | 65°F | Mostly Cloudy | 10 mph NE | 12% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 to 10 mph NE | 3% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NNE | 7% |
| Thursday Night | 55°F | Mostly Cloudy | 5 mph NNE | 5% |
| Friday | 69°F | Mostly Sunny | 5 to 10 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Northfield (42.103, -87.777). Updated through the day.
Growing snapshot for Northfield
Last spring frost
Apr 26
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6a
More local growing data for Northfield: nearby ZIP 60093 weather · frost dates · planting calendar · Illinois frost dates
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Chicago
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Climate data from the nearest NOAA station, Chicago Botanic Garden, Il (3 mi from Northfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.