Middletown, IA Weather & Growing Conditions
Tonight
51°F
Mostly Cloudy
Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. Southwest wind around 10 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Cloudy | 10 mph SW | 7% |
| Wednesday | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SW | 18% |
| Wednesday Night | 46°F | Mostly Cloudy | 10 mph SW | 4% |
| Thursday | 55°F | Chance Rain Showers | 10 mph W | 44% |
| Thursday Night | 43°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 21% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 7% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 57°F | Sunny | 5 mph W | 1% |
| Sunday Night | 36°F | Clear | 0 to 5 mph W | 0% |
| Monday | 63°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 5 mph NW | 0% |
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 Nov 4, 2026.