Bankston, IA Weather & Growing Conditions

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

Overnight

61°F

Patchy Fog

Patchy fog and occasional showers and thunderstorms. Cloudy. Low around 61, with temperatures rising to around 65 overnight. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for Bankston

When	Temp	Forecast	Wind	Precip
Overnight	61°F	Patchy Fog	10 mph E	96%
Saturday	77°F	Patchy Fog	5 to 10 mph S	89%
Saturday Night	60°F	Showers And Thunderstorms	5 to 10 mph NW	83%
Sunday	66°F	Chance Rain Showers	10 to 15 mph NE	41%
Sunday Night	54°F	Chance Rain Showers	15 mph NE	33%
Monday	62°F	Chance Rain Showers	15 mph NE	33%
Monday Night	49°F	Chance Rain Showers	10 to 15 mph NE	33%
Tuesday	61°F	Chance Rain Showers then Partly Sunny	10 to 15 mph NE	33%
Tuesday Night	46°F	Partly Cloudy	5 to 10 mph NE	4%
Wednesday	65°F	Sunny	5 to 10 mph NE	1%
Wednesday Night	50°F	Partly Cloudy	5 mph NE	2%
Thursday	66°F	Mostly Sunny	5 mph NE	8%
Thursday Night	52°F	Partly Cloudy	0 to 5 mph E	4%
Friday	69°F	Mostly Sunny	5 mph E	5%

Forecast source: National Weather Service (api.weather.gov) for Bankston (42.508, -90.961). Updated through the day.

Growing snapshot for Bankston

Last spring frost

Apr 28

First fall frost

Oct 10

Growing season

164 days

Hardiness zone

More local growing data for Bankston: nearby ZIP 52045 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Cascade, Ia (11.6 mi from Bankston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.