Dubuque, IA Weather & Growing Conditions
Today
77°F
Occasional Showers And Thunderstorms then Showers And Thunderstorms
Occasional showers and thunderstorms before 11am, then showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 77. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Occasional Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph S | 88% |
| Tonight | 61°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph NW | 82% |
| Sunday | 67°F | Chance Rain Showers | 10 to 15 mph NE | 47% |
| Sunday Night | 55°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Monday | 64°F | Chance Rain Showers | 15 mph NE | 33% |
| Monday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 27% |
| Tuesday | 62°F | Chance Rain Showers then Partly Sunny | 10 to 15 mph NE | 27% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 67°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 4% |
| Friday Night | 52°F | Partly Cloudy | 0 to 5 mph E | 4% |
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 Sep 19, 2026.