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Britt, IA Weather & Growing Conditions

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

This Afternoon
58°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 58, with temperatures falling to around 55 in the afternoon. North wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Britt

WhenTempForecastWindPrecip
This Afternoon 58°F Rain Showers Likely 12 mph N 59%
Tonight 43°F Rain Showers 13 mph NW 93%
Wednesday 49°F Rain Showers 13 to 18 mph W 90%
Wednesday Night 39°F Rain Showers 12 to 15 mph WNW 91%
Thursday 49°F Rain Showers Likely 13 to 16 mph NNW 61%
Thursday Night 34°F Mostly Cloudy 5 to 12 mph N 13%
Friday 47°F Mostly Sunny 2 to 6 mph N 0%
Friday Night 29°F Partly Cloudy 1 mph NNE 1%
Saturday 53°F Mostly Sunny 1 to 7 mph SW 2%
Saturday Night 33°F Partly Cloudy 5 mph W 4%
Sunday 58°F Sunny 5 to 8 mph W 6%
Sunday Night 35°F Mostly Clear 7 mph SW 2%
Monday 62°F Sunny 7 to 13 mph WSW 0%
Monday Night 37°F Mostly Clear 7 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Britt (43.098, -93.803). Updated through the day.

Growing snapshot for Britt

Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a

More local growing data for Britt: nearby ZIP 50423 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Britt 3E, Ia (3.6 mi from Britt). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.