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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.

This Afternoon
94°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 5pm. Sunny, with a high near 94. Southwest wind around 5 mph. Chance of precipitation is 40%.

7-day forecast for Hiawatha

WhenTempForecastWindPrecip
This Afternoon 94°F Chance Showers And Thunderstorms 5 mph SW 38%
Tonight 64°F Showers And Thunderstorms Likely 5 mph N 63%
Sunday 71°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 5 to 10 mph N 36%
Sunday Night 59°F Cloudy then Chance Rain Showers 5 to 10 mph N 32%
Monday 65°F Chance Rain Showers 5 to 10 mph N 29%
Monday Night 51°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph N 16%
Tuesday 63°F Mostly Cloudy 5 mph NE 5%
Tuesday Night 48°F Mostly Cloudy 0 to 5 mph NE 2%
Wednesday 65°F Partly Sunny 0 to 5 mph E 1%
Wednesday Night 52°F Mostly Cloudy 0 to 5 mph E 14%
Thursday 70°F Chance Rain Showers 5 mph SE 38%
Thursday Night 58°F Chance Rain Showers 0 to 5 mph SE 32%
Friday 72°F Chance Rain Showers 0 to 5 mph E 32%
Friday Night 59°F Slight Chance Rain Showers 5 mph E 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 20, 2026.