Middletown, IA Weather & Growing Conditions
Today
88°F
Mostly Sunny
Mostly sunny, with a high near 88. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny | 5 to 10 mph S | 6% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph NE | 29% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 5 mph N | 73% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 5 mph N | 82% |
| Thursday | 81°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph NE | 69% |
| Thursday Night | 63°F | Partly Cloudy | 0 to 5 mph E | 9% |
| Friday | 84°F | Mostly Sunny | 0 to 5 mph SE | 6% |
| Friday Night | 66°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 15% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms then Sunny | 5 mph S | 15% |
| Saturday Night | 70°F | Mostly Clear | 5 to 10 mph S | 8% |
| Sunday | 89°F | Sunny | 10 mph SW | 8% |
| Sunday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 21% |
| Monday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph S | 21% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 10 mph S | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Middletown, IA
Last spring frost
Apr 15
First fall frost
Oct 20
Growing season
187 days
Hardiness zone
6a
Explore more for Middletown, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Burlington Muni Ap, Ia (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.