Franklinville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklinville, a community in Mchenry County, Illinois.
Overnight
62°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 62, with temperatures rising to around 64 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 Franklinville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms | 10 mph ESE | 100% |
| Saturday | 76°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SE | 100% |
| Saturday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph E | 94% |
| Sunday | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph NE | 55% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 15 mph NE | 17% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 28% |
| Monday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 16% |
| Tuesday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 14% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 6% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Franklinville (42.275, -88.516). Updated through the day.
Growing snapshot for Franklinville
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
More local growing data for Franklinville: nearby ZIP 60180 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Marengo, Il (5.3 mi from Franklinville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.