Britt, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Britt, a city in Hancock County, Iowa.
Tonight
63°F
Patchy Fog
Patchy fog and showers and thunderstorms likely before 1am, then patchy fog and showers and thunderstorms likely between 1am and 2am, then patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 63, with temperatures rising to around 66 overnight. Southeast wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Britt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Patchy Fog | 7 to 12 mph SE | 66% |
| Saturday | 71°F | Chance Showers And Thunderstorms then Patchy Fog | 6 to 10 mph NNW | 40% |
| Saturday Night | 56°F | Chance Rain Showers then Cloudy | 13 mph NNE | 27% |
| Sunday | 65°F | Slight Chance Rain Showers | 15 mph NE | 17% |
| Sunday Night | 51°F | Chance Rain Showers | 13 mph ENE | 28% |
| Monday | 59°F | Chance Rain Showers | 10 to 14 mph ENE | 52% |
| Monday Night | 46°F | Chance Rain Showers | 6 to 10 mph ENE | 50% |
| Tuesday | 60°F | Partly Sunny | 8 mph ENE | 12% |
| Tuesday Night | 44°F | Partly Cloudy | 2 to 6 mph E | 1% |
| Wednesday | 64°F | Mostly Sunny | 5 mph ESE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph SE | 6% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph SSE | 18% |
| Thursday Night | 51°F | Mostly Cloudy | 2 mph SSE | 7% |
| Friday | 67°F | Partly Sunny | 2 to 6 mph SE | 8% |
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
Nearby towns & communities
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 Sep 19, 2026.