Hiawatha, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hiawatha, a city in Linn County, Iowa.

This Afternoon

77°F

Showers And Thunderstorms Likely

Showers and thunderstorms likely. Partly sunny. High near 77, with temperatures falling to around 75 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 70%.

7-day forecast for Hiawatha

When	Temp	Forecast	Wind	Precip
This Afternoon	77°F	Showers And Thunderstorms Likely	5 mph SE	67%
Tonight	62°F	Showers And Thunderstorms	5 to 10 mph NE	75%
Sunday	66°F	Chance Rain Showers	10 to 15 mph NE	49%
Sunday Night	55°F	Chance Rain Showers	10 to 15 mph NE	47%
Monday	62°F	Rain Showers Likely	10 to 15 mph NE	70%
Monday Night	51°F	Rain Showers Likely	10 mph NE	70%
Tuesday	61°F	Chance Rain Showers	10 mph NE	45%
Tuesday Night	48°F	Partly Cloudy	5 to 10 mph NE	7%
Wednesday	64°F	Mostly Sunny	5 mph NE	2%
Wednesday Night	51°F	Partly Cloudy	5 mph NE	2%
Thursday	66°F	Partly Sunny	5 mph E	10%
Thursday Night	55°F	Slight Chance Rain Showers	0 mph	21%
Friday	69°F	Slight Chance Rain Showers then Partly Sunny	5 mph E	16%
Friday Night	56°F	Partly Cloudy	0 to 5 mph E	13%

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

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

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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 Sep 20, 2026.