Dubuque, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dubuque, a city in Dubuque County, Iowa.
Tonight
53°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 53, with temperatures rising to around 56 overnight. South wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Dubuque
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Chance Rain Showers | 5 to 10 mph S | 25% |
| Wednesday | 56°F | Chance Rain Showers | 10 to 15 mph SW | 40% |
| Wednesday Night | 46°F | Chance Rain Showers | 10 mph SW | 30% |
| Thursday | 53°F | Rain Showers Likely | 10 mph NW | 66% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 15% |
| Friday | 48°F | Partly Sunny | 5 to 10 mph N | 1% |
| Friday Night | 31°F | Mostly Clear | 0 to 5 mph N | 1% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 55°F | Sunny | 5 mph W | 3% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 60°F | Sunny | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Dubuque (42.499, -90.707). Updated through the day.
Growing snapshot for Dubuque
Last spring frost
Apr 19
First fall frost
Oct 21
Growing season
184 days
Hardiness zone
5a
More local growing data for Dubuque: nearby ZIP 52001 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Asbury
Balltown
Bankston
Bernard
Centralia
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Epworth
Farley
Graf
Holy Cross
Luxemburg
New Vienna
Peosta
Rickardsville
Sageville
Sherrill
Worthington
Climate data from the nearest NOAA station, Dubuque L&D 11, Ia (2.5 mi from Dubuque). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.