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Franklinville, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Franklinville, a community in Mchenry County, Illinois.

This Afternoon
68°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a high near 68. East southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Franklinville

WhenTempForecastWindPrecip
This Afternoon 68°F Showers And Thunderstorms Likely 5 mph ESE 72%
Tonight 62°F Showers And Thunderstorms 5 to 10 mph ENE 100%
Sunday 65°F Showers And Thunderstorms 10 to 15 mph NE 82%
Sunday Night 55°F Slight Chance Rain Showers 10 to 15 mph ENE 17%
Monday 63°F Chance Rain Showers 15 mph ENE 37%
Monday Night 50°F Chance Rain Showers 10 to 15 mph ENE 37%
Tuesday 61°F Chance Rain Showers 10 to 15 mph NE 37%
Tuesday Night 50°F Mostly Cloudy 5 to 10 mph NE 11%
Wednesday 63°F Partly Sunny 5 to 10 mph NE 10%
Wednesday Night 50°F Mostly Cloudy 0 to 10 mph NE 3%
Thursday 66°F Partly Sunny 0 to 5 mph NE 7%
Thursday Night 52°F Mostly Cloudy 0 to 5 mph NE 12%
Friday 70°F Partly Sunny 0 to 5 mph NE 9%
Friday Night 52°F Partly Cloudy 0 to 5 mph NNE 5%

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 20, 2026.