Middletown, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a village in Logan County, Illinois.
This Afternoon
86°F
Slight Chance Rain Showers
A slight chance of rain showers between 4pm and 5pm. Cloudy, with a high near 86. South southwest wind around 7 mph. Chance of precipitation is 20%.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Slight Chance Rain Showers | 7 mph SSW | 16% |
| Tonight | 69°F | Mostly Cloudy | 5 mph SSW | 13% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 31% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 54% |
| Monday | 69°F | Showers And Thunderstorms Likely | 9 to 13 mph ENE | 69% |
| Monday Night | 55°F | Chance Rain Showers | 12 mph ENE | 48% |
| Tuesday | 66°F | Chance Rain Showers | 12 mph NE | 47% |
| Tuesday Night | 52°F | Mostly Cloudy | 6 to 10 mph NNE | 7% |
| Wednesday | 69°F | Partly Sunny | 9 mph NNE | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 3 to 8 mph NNE | 0% |
| Thursday | 72°F | Partly Sunny | 3 to 7 mph NNE | 0% |
| Thursday Night | 56°F | Mostly Cloudy | 2 to 6 mph NE | 10% |
| Friday | 75°F | Partly Sunny | 3 to 7 mph NE | 12% |
| Friday Night | 55°F | Partly Cloudy | 6 mph NE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Middletown (40.099, -89.590). Updated through the day.
Growing snapshot for Middletown
Last spring frost
Apr 17
First fall frost
Oct 18
Growing season
182 days
Hardiness zone
6a
More local growing data for Middletown: nearby ZIP 62666 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Atlanta
Beason
Broadwell
Chestnut
Cornland
Elkhart
Emden
Hartsburg
Latham
Lincoln
Mount Pulaski
New Holland
Climate data from the nearest NOAA station, Mason City 4Se, Il (8.2 mi from Middletown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.