Manson, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manson, a city in Calhoun County, Iowa.
Today
76°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 76, with temperatures falling to around 73 in the afternoon. North wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Manson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Showers And Thunderstorms | 6 to 9 mph N | 88% |
| Tonight | 57°F | Showers And Thunderstorms Likely | 2 to 7 mph N | 56% |
| Wednesday | 75°F | Partly Sunny | 1 to 5 mph NE | 7% |
| Wednesday Night | 53°F | Mostly Clear | 1 mph SE | 2% |
| Thursday | 81°F | Sunny | 0 to 5 mph S | 1% |
| Thursday Night | 60°F | Mostly Clear | 5 mph S | 3% |
| Friday | 85°F | Sunny | 3 to 9 mph S | 7% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph S | 18% |
| Saturday | 89°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 10 mph S | 15% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 7 to 10 mph SSE | 20% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph SE | 20% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 mph SSE | 31% |
| Monday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph SE | 31% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 mph E | 31% |
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 Aug 4, 2026.