Mount Pleasant, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Pleasant, a city in Henry County, Iowa.
Overnight
50°F
Mostly Cloudy
Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. Southwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Mount Pleasant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 10 mph SW | 9% |
| Wednesday | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph W | 15% |
| Wednesday Night | 45°F | Mostly Cloudy | 10 mph W | 7% |
| Thursday | 55°F | Rain Showers Likely | 5 to 10 mph W | 60% |
| Thursday Night | 42°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 17% |
| Friday | 50°F | Partly Sunny | 5 to 10 mph N | 5% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 57°F | Sunny | 5 mph W | 1% |
| Sunday Night | 36°F | Clear | 0 mph | 0% |
| Monday | 64°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 40°F | Clear | 0 to 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Mount Pleasant (40.962, -91.547). Updated through the day.
Growing snapshot for Mount Pleasant
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
163 days
Hardiness zone
5b
More local growing data for Mount Pleasant: nearby ZIP 52641 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mt Pleasant 1 Ssw, Ia (3 mi from Mount Pleasant). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.