Franklinville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklinville, a community in Mchenry County, Illinois.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Franklinville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 65% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 74% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 to 5 mph NNW | 76% |
| Thursday | 78°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 47% |
| Thursday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 15% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph SSW | 7% |
| Saturday | 83°F | Mostly Sunny | 0 to 5 mph SSW | 11% |
| Saturday Night | 67°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 21% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 21% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 0 to 10 mph SSW | 44% |
| Monday | 83°F | Chance Rain Showers | 0 to 5 mph SSW | 44% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 mph WNW | 45% |
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 Aug 4, 2026.