Manson, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manson, a city in Calhoun County, Iowa.
This Afternoon
58°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 58, with temperatures falling to around 53 in the afternoon. North northwest wind around 12 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Manson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Chance Rain Showers | 12 mph NNW | 39% |
| Tonight | 43°F | Rain Showers | 13 mph NW | 90% |
| Wednesday | 49°F | Chance Rain Showers | 12 to 15 mph WNW | 54% |
| Wednesday Night | 40°F | Rain Showers Likely | 12 mph WNW | 67% |
| Thursday | 50°F | Rain Showers Likely | 8 to 12 mph NNW | 60% |
| Thursday Night | 36°F | Mostly Cloudy | 3 to 7 mph N | 8% |
| Friday | 50°F | Partly Sunny | 0 to 3 mph N | 2% |
| Friday Night | 32°F | Partly Cloudy | 1 mph WNW | 0% |
| Saturday | 56°F | Mostly Sunny | 3 mph SW | 2% |
| Saturday Night | 36°F | Mostly Clear | 3 mph W | 5% |
| Sunday | 60°F | Sunny | 5 mph W | 4% |
| Sunday Night | 39°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 64°F | Sunny | 5 to 8 mph WSW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Manson (42.529, -94.540). Updated through the day.
Growing snapshot for Manson
Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5a
More local growing data for Manson: nearby ZIP 50563 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Farnhamville
Jolley
Knierim
Lake City
Lohrville
Lytton
Pomeroy
Rinard
Rockwell City
Somers
Twin Lakes
Climate data from the nearest NOAA station, Rockwell City, Ia (10.5 mi from Manson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.