Middletown, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a village in Logan County, Illinois.
This Afternoon
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind around 8 mph.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Mostly Sunny | 8 mph E | 7% |
| Tonight | 71°F | Partly Cloudy | 9 mph SE | 4% |
| Saturday | 91°F | Slight Chance Rain Showers then Partly Sunny | 8 mph SSW | 15% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 6 mph SSW | 33% |
| Sunday | 83°F | Showers And Thunderstorms Likely | 3 to 12 mph NNW | 61% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 9 to 13 mph NE | 66% |
| Monday | 70°F | Showers And Thunderstorms Likely | 13 mph NE | 66% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 48% |
| Tuesday | 67°F | Chance Rain Showers then Mostly Cloudy | 12 mph NE | 28% |
| Tuesday Night | 51°F | Mostly Cloudy | 6 to 10 mph NNE | 5% |
| Wednesday | 70°F | Partly Sunny | 9 mph NNE | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 3 to 8 mph NNE | 1% |
| Thursday | 71°F | Mostly Sunny | 3 to 7 mph NNE | 3% |
| Thursday Night | 55°F | Partly Cloudy | 6 mph NNE | 4% |
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.