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Hiawatha, KS Weather & Growing Conditions

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

Tonight
72°F
Partly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

7-day forecast for Hiawatha

WhenTempForecastWindPrecip
Tonight 72°F Partly Cloudy then Chance Showers And Thunderstorms 5 to 10 mph S 26%
Saturday 87°F Chance Showers And Thunderstorms 5 to 10 mph SW 43%
Saturday Night 64°F Chance Showers And Thunderstorms 5 mph N 62%
Sunday 72°F Showers And Thunderstorms Likely 5 mph N 59%
Sunday Night 59°F Showers And Thunderstorms Likely 5 mph NE 59%
Monday 65°F Chance Rain Showers 5 to 10 mph NE 40%
Monday Night 53°F Mostly Cloudy 5 to 10 mph NE 14%
Tuesday 63°F Mostly Cloudy 5 mph NE 6%
Tuesday Night 49°F Mostly Cloudy 0 to 5 mph E 4%
Wednesday 66°F Partly Sunny 0 to 5 mph E 3%
Wednesday Night 53°F Mostly Cloudy 0 mph 9%
Thursday 68°F Chance Rain Showers 0 to 5 mph SE 31%
Thursday Night 55°F Slight Chance Rain Showers 0 mph 23%
Friday 69°F Slight Chance Rain Showers 0 to 5 mph SE 23%

Forecast source: National Weather Service (api.weather.gov) for Hiawatha (39.852, -95.538). Updated through the day.

Growing snapshot for Hiawatha

Last spring frost
Apr 14
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
6a

More local growing data for Hiawatha: nearby ZIP 66434 weather · frost dates · planting calendar · Kansas frost dates

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Climate data from the nearest NOAA station, Hiawatha 1 S, Ks (2.2 mi from Hiawatha). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.