New Vienna, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Vienna, a city in Dubuque County, Iowa.
Today
76°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 76. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for New Vienna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Occasional Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph S | 79% |
| Tonight | 59°F | Showers And Thunderstorms | 5 to 10 mph NW | 82% |
| Sunday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Sunday Night | 53°F | Chance Rain Showers | 15 mph NE | 33% |
| Monday | 62°F | Chance Rain Showers | 15 mph NE | 33% |
| Monday Night | 48°F | Chance Rain Showers | 10 to 15 mph NE | 31% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 10 to 15 mph NE | 31% |
| Tuesday Night | 45°F | Mostly Clear | 5 to 10 mph NE | 4% |
| Wednesday | 64°F | Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 49°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 66°F | Mostly Sunny | 5 mph NE | 8% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph E | 5% |
| Friday | 68°F | Mostly Sunny | 0 to 5 mph E | 6% |
| Friday Night | 52°F | Partly Cloudy | 0 to 5 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov) for New Vienna (42.548, -91.114). Updated through the day.
Growing snapshot for New Vienna
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
178 days
Hardiness zone
5a
More local growing data for New Vienna: nearby ZIP 52065 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Asbury
Balltown
Bankston
Bernard
Centralia
Dubuque
Durango
Epworth
Farley
Graf
Holy Cross
Luxemburg
Peosta
Rickardsville
Sageville
Sherrill
Worthington
Climate data from the nearest NOAA station, Guttenberg L&D 10, Ia (14 mi from New Vienna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.