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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Algonquin
Bull Valley
Cary
Chemung
Coral
Crystal Lake
Fox River Grove
Greenwood
Harmony
Hartland
Harvard
Hebron
Huntley
Johnsburg
Lake Barrington
Lake in the Hills
Lakemoor
Lakewood
Lawrence
Marengo
McCullom Lake
McHenry
Oakwood Hills
Prairie Grove
Richmond
Ridgefield
Riley
Ringwood
Solon Mills
Spring Grove
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.