Dubuque, IA Weather & Growing Conditions
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 81 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast
| 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 | 80% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 5 mph N | 62% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 43% |
| Thursday | 79°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 22% |
| Thursday Night | 61°F | Mostly Clear | 0 mph | 3% |
| Friday | 82°F | Sunny | 0 to 5 mph S | 4% |
| 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 | 25% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 10 mph SW | 25% |
| 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 | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dubuque, IA
Last spring frost
Apr 28
First fall frost
Oct 11
Growing season
165 days
Hardiness zone
5a
Explore more for Dubuque, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Dubuque Rgnl Ap, Ia (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.