New Vienna, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Vienna, a city in Dubuque County, Iowa.
This Afternoon
68°F
Showers And Thunderstorms Likely
Rain showers before 3pm, then showers and thunderstorms likely. Mostly cloudy. High near 68, with temperatures falling to around 65 in the afternoon. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
7-day forecast for New Vienna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Showers And Thunderstorms Likely | 15 to 20 mph S | 88% |
| Tonight | 51°F | Showers And Thunderstorms | 10 to 15 mph S | 87% |
| Wednesday | 53°F | Rain Showers Likely | 10 to 15 mph SW | 56% |
| Wednesday Night | 44°F | Chance Rain Showers | 15 mph SW | 38% |
| Thursday | 51°F | Rain Showers Likely | 10 to 15 mph W | 73% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph N | 19% |
| Friday | 48°F | Partly Sunny | 5 to 10 mph N | 8% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph NW | 2% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 13% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 2% |
| Monday | 60°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 1% |
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 Nov 3, 2026.