Argyle, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Argyle, a community in Boone County, Illinois.
Overnight
58°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 58, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Argyle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Chance Rain Showers | 15 mph S | 29% |
| Wednesday | 61°F | Patchy Drizzle | 15 mph SW | 21% |
| Wednesday Night | 46°F | Patchy Drizzle | 15 mph SW | 28% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph W | 35% |
| Thursday Night | 38°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NNW | 29% |
| Friday | 48°F | Partly Sunny | 10 to 15 mph N | 5% |
| Friday Night | 30°F | Partly Cloudy | 0 to 10 mph NNW | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 32°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 to 10 mph W | 0% |
| Tuesday | 61°F | Sunny | 5 to 10 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Argyle (42.355, -88.939). Updated through the day.
Growing snapshot for Argyle
Last spring frost
May 1
First fall frost
Oct 12
Growing season
162 days
Hardiness zone
5b
More local growing data for Argyle: nearby ZIP 61011 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Beloit, Wi (10.3 mi from Argyle). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.