Dubuque, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dubuque, a city in Dubuque County, Iowa.
Today
83°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Partly sunny. High near 83, with temperatures falling to around 80 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast for Dubuque
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 36% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph NW | 77% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 60% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 32% |
| Thursday | 79°F | Slight Chance Rain Showers then Mostly Sunny | 0 mph | 21% |
| Thursday Night | 61°F | Mostly Clear | 0 mph | 3% |
| Friday | 82°F | Sunny | 0 to 5 mph S | 3% |
| Friday Night | 65°F | Mostly Clear | 5 mph S | 8% |
| Saturday | 85°F | Mostly Sunny | 5 to 10 mph SW | 8% |
| Saturday Night | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph S | 26% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 10 mph SW | 26% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 42% |
| Monday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 42% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 38% |
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
Durango
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 Aug 4, 2026.