Middletown, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a village in Logan County, Illinois.
Tonight
53°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 53. South southwest wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Showers And Thunderstorms | 13 to 18 mph SSW | 95% |
| Wednesday | 59°F | Mostly Cloudy | 12 to 15 mph SW | 13% |
| Wednesday Night | 44°F | Mostly Cloudy | 10 mph SW | 1% |
| Thursday | 60°F | Mostly Sunny | 8 to 13 mph WSW | 5% |
| Thursday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 7 mph NW | 23% |
| Friday | 55°F | Partly Sunny | 7 to 10 mph NNW | 12% |
| Friday Night | 35°F | Mostly Cloudy | 2 to 8 mph N | 4% |
| Saturday | 54°F | Mostly Sunny | 5 mph NW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 60°F | Sunny | 2 to 8 mph W | 9% |
| Sunday Night | 34°F | Mostly Clear | 6 mph W | 5% |
| Monday | 64°F | Sunny | 3 to 10 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 3 to 7 mph WSW | 1% |
| Tuesday | 66°F | Sunny | 6 mph WNW | 1% |
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 Nov 4, 2026.