Mount Pleasant, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Pleasant, a city in Henry County, Iowa.
Today
88°F
Mostly Sunny
Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. South wind 5 to 10 mph.
7-day forecast for Mount Pleasant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny | 5 to 10 mph S | 14% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 5 mph NE | 47% |
| Wednesday | 79°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph NE | 81% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 5 mph N | 79% |
| Thursday | 80°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph NE | 57% |
| Thursday Night | 61°F | Mostly Clear | 0 mph | 6% |
| Friday | 83°F | Mostly Sunny | 0 to 5 mph SE | 6% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 16% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Sunny | 5 mph S | 15% |
| Saturday Night | 70°F | Mostly Clear | 5 to 10 mph S | 9% |
| Sunday | 88°F | Sunny | 10 mph S | 9% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 mph S | 22% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph S | 22% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 mph S | 27% |
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 Aug 4, 2026.