Greenwood, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenwood, a village in Mchenry County, Illinois.
Overnight
61°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 61, with temperatures rising to around 63 overnight. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Greenwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Showers And Thunderstorms | 10 mph ESE | 100% |
| Saturday | 75°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SSE | 100% |
| Saturday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph ENE | 93% |
| Sunday | 68°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 51% |
| Sunday Night | 54°F | Mostly Cloudy | 15 mph NE | 13% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 26% |
| Monday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph ENE | 16% |
| Tuesday | 61°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 63°F | Partly Sunny | 5 to 10 mph NE | 7% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 5 mph NNE | 3% |
| Thursday | 66°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Greenwood (42.395, -88.384). Updated through the day.
Growing snapshot for Greenwood
Last spring frost
May 1
First fall frost
Oct 11
Growing season
162 days
Hardiness zone
5b
More local growing data for Greenwood: nearby ZIP 60097 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Mc Henry -Wg Stratton L&D, Il (8.6 mi from Greenwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.