Plano, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plano, a city in Kendall County, Illinois.
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. South southwest wind around 5 mph.
7-day forecast for Plano
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 5 mph SSW | 0% |
| Tuesday | 85°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
| Tuesday Night | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SSW | 33% |
| Wednesday | 80°F | Showers And Thunderstorms Likely | 5 mph WSW | 71% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 5 mph NW | 87% |
| Thursday | 80°F | Rain Showers Likely then Chance Showers And Thunderstorms | 5 mph ESE | 60% |
| Thursday Night | 62°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 26% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SE | 6% |
| Friday Night | 64°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SSW | 11% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 17% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SW | 17% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 35% |
| Monday | 86°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 35% |
Forecast source: National Weather Service (api.weather.gov) for Plano (41.680, -88.536). Updated through the day.
Growing snapshot for Plano
Last spring frost
Apr 28
First fall frost
Oct 13
Growing season
166 days
Hardiness zone
5b
More local growing data for Plano: nearby ZIP 60545 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Chicago Aurora Muni Ap, Il (6.8 mi from Plano). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.