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
80°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Partly sunny. High near 80, with temperatures falling to around 78 in the afternoon. West wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast for New Vienna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph W | 43% |
| Tonight | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph N | 74% |
| Wednesday | 73°F | Showers And Thunderstorms Likely | 5 mph N | 56% |
| Wednesday Night | 57°F | Chance Rain Showers | 0 to 5 mph NW | 27% |
| Thursday | 78°F | Slight Chance Rain Showers then Sunny | 0 to 5 mph NE | 16% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 1% |
| Friday | 80°F | Sunny | 0 to 10 mph S | 3% |
| Friday Night | 64°F | Mostly Clear | 5 mph S | 9% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 10 mph S | 29% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 10 to 15 mph S | 29% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 41% |
| Monday | 84°F | Chance Showers And Thunderstorms | 10 mph S | 41% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 38% |
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 Aug 4, 2026.