Evanston, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Evanston, a city in Cook County, Illinois.
Tonight
60°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. Low around 60, with temperatures rising to around 62 overnight. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Evanston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Rain Showers Likely | 15 mph SSE | 71% |
| Wednesday | 64°F | Rain Showers Likely | 15 mph SSW | 69% |
| Wednesday Night | 49°F | Mostly Cloudy | 15 mph SW | 12% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph WSW | 27% |
| Thursday Night | 45°F | Rain Showers Likely | 10 to 15 mph WNW | 60% |
| Friday | 53°F | Chance Rain Showers | 15 to 20 mph N | 45% |
| Friday Night | 42°F | Slight Chance Rain then Mostly Cloudy | 10 to 15 mph NNW | 19% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 11% |
| Saturday Night | 41°F | Partly Cloudy | 5 mph WSW | 7% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 17% |
| Sunday Night | 43°F | Mostly Clear | 5 to 10 mph WNW | 12% |
| Monday | 58°F | Sunny | 5 to 10 mph WSW | 8% |
| Monday Night | 46°F | Mostly Clear | 10 mph W | 3% |
| Tuesday | 58°F | Mostly Sunny | 5 to 10 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Evanston (42.046, -87.694). Updated through the day.
Growing snapshot for Evanston
Last spring frost
Apr 26
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6a
More local growing data for Evanston: nearby ZIP 60201 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Chicago Botanic Garden, Il (7.6 mi from Evanston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.