Bankston, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bankston, a city in Dubuque County, Iowa.
Overnight
52°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Bankston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Slight Chance Rain Showers | 15 mph S | 20% |
| Wednesday | 52°F | Chance Rain Showers | 15 mph SW | 43% |
| Wednesday Night | 45°F | Chance Rain Showers | 15 mph SW | 35% |
| Thursday | 52°F | Chance Rain Showers | 10 to 15 mph NW | 53% |
| Thursday Night | 39°F | Mostly Cloudy | 10 to 15 mph N | 13% |
| Friday | 47°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Friday Night | 30°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 2% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 36°F | Clear | 5 mph W | 0% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 mph NW | 0% |
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
5a
More local growing data for Bankston: nearby ZIP 52045 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Asbury
Balltown
Bernard
Centralia
Dubuque
Durango
Epworth
Farley
Graf
Holy Cross
Luxemburg
New Vienna
Peosta
Rickardsville
Sageville
Sherrill
Worthington
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 Nov 4, 2026.