Harman US

Britt, IA Weather & Growing Conditions

Today
49°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 49, with temperatures falling to around 46 in the afternoon. West northwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 49°F Rain Showers Likely 14 to 18 mph WNW 55%
Tonight 40°F Chance Rain Showers 12 to 15 mph WNW 52%
Thursday 49°F Chance Rain Showers then Cloudy 13 to 17 mph NNW 32%
Thursday Night 33°F Mostly Cloudy 5 to 12 mph N 6%
Friday 46°F Mostly Sunny 2 to 6 mph NNE 3%
Friday Night 27°F Partly Cloudy 1 mph NE 1%
Saturday 50°F Mostly Sunny 1 to 6 mph SW 0%
Saturday Night 33°F Mostly Clear 5 mph W 1%
Sunday 55°F Sunny 3 to 7 mph W 1%
Sunday Night 34°F Mostly Clear 6 mph SW 0%
Monday 61°F Sunny 6 to 10 mph SW 0%
Monday Night 37°F Mostly Clear 2 to 6 mph WNW 0%
Tuesday 59°F Mostly Sunny 5 mph NW 0%
Tuesday Night 38°F Partly Cloudy 3 mph E 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Britt, IA

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

Explore more for Britt, IA: full frost dates · planting calendar · Iowa frost dates

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