Mapleton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mapleton, a city in Monona County, Iowa.
Today
73°F
Mostly Cloudy
Mostly cloudy, with a high near 73. North northwest wind around 8 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mapleton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Cloudy | 8 mph NNW | 8% |
| Tonight | 58°F | Cloudy | 8 mph N | 14% |
| Sunday | 64°F | Cloudy then Chance Rain Showers | 7 to 12 mph NE | 30% |
| Sunday Night | 54°F | Chance Rain Showers | 6 to 9 mph ENE | 48% |
| Monday | 59°F | Rain Showers Likely | 8 mph ENE | 60% |
| Monday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 3 to 7 mph ENE | 44% |
| Tuesday | 61°F | Partly Sunny | 6 mph E | 8% |
| Tuesday Night | 45°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 65°F | Mostly Sunny | 2 to 6 mph SE | 3% |
| Wednesday Night | 50°F | Partly Cloudy then Chance Rain Showers | 5 mph SE | 30% |
| Thursday | 66°F | Chance Rain Showers | 6 mph SSE | 30% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 15% |
| Friday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 7 mph SE | 15% |
| Friday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph SE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Mapleton (42.167, -95.791). Updated through the day.
Growing snapshot for Mapleton
Last spring frost
May 3
First fall frost
Oct 1
Growing season
151 days
Hardiness zone
5a
More local growing data for Mapleton: nearby ZIP 51034 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mapleton No.2, Ia (0.3 mi from Mapleton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.