Hiawatha, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hiawatha, a city in Linn County, Iowa.
Today
83°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. West wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast for Hiawatha
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph W | 40% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph N | 81% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 5 mph N | 67% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 5 mph N | 33% |
| Thursday | 80°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 20% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 2% |
| Friday | 82°F | Sunny | 0 to 5 mph SE | 3% |
| Friday Night | 64°F | Mostly Clear | 5 mph S | 11% |
| Saturday | 86°F | Sunny | 5 mph S | 9% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 19% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph S | 19% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 40% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 40% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 mph SE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Hiawatha (42.056, -91.690). Updated through the day.
Growing snapshot for Hiawatha
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5a
More local growing data for Hiawatha: nearby ZIP 52233 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Alburnett
Bertram
Cedar Rapids
Center Point
Central City
Coggon
Ely
Fairfax
Marion
Mount Vernon
Palo
Prairieburg
Robins
Springville
Walker
Climate data from the nearest NOAA station, Cedar Rapids #1, Ia (5.1 mi from Hiawatha). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.