Masonville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Masonville, a city in Buchanan County, Iowa.
Today
78°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 10am. Partly sunny. High near 78, with temperatures falling to around 76 in the afternoon. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
7-day forecast for Masonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Chance Showers And Thunderstorms | 10 mph SW | 48% |
| Tonight | 62°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 74% |
| Wednesday | 73°F | Chance Showers And Thunderstorms | 5 mph N | 51% |
| Wednesday Night | 56°F | Slight Chance Rain Showers | 5 mph N | 24% |
| Thursday | 78°F | Sunny | 0 to 5 mph E | 11% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 1% |
| Friday | 81°F | Sunny | 0 to 10 mph S | 3% |
| Friday Night | 64°F | Mostly Clear | 5 mph S | 10% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph S | 12% |
| Saturday Night | 69°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 24% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 10 mph S | 24% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 10 mph S | 41% |
| Monday | 84°F | Chance Showers And Thunderstorms | 10 mph S | 41% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 mph SE | 38% |
Forecast source: National Weather Service (api.weather.gov) for Masonville (42.480, -91.592). Updated through the day.
Growing snapshot for Masonville
Last spring frost
May 3
First fall frost
Oct 4
Growing season
154 days
Hardiness zone
5a
More local growing data for Masonville: nearby ZIP 50654 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Manchester #2, Ia (7.7 mi from Masonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.