Osterdock, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Osterdock, a city in Clayton County, Iowa.
Today
82°F
Isolated Rain Showers then Scattered Showers And Thunderstorms
Isolated rain showers between 9am and 4pm, then scattered showers and thunderstorms. Mostly cloudy. High near 82, with temperatures falling to around 78 in the afternoon. West wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Osterdock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Isolated Rain Showers then Scattered Showers And Thunderstorms | 9 mph W | 35% |
| Tonight | 63°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 7 mph NW | 71% |
| Wednesday | 76°F | Chance Showers And Thunderstorms | 5 mph NW | 38% |
| Wednesday Night | 56°F | Partly Cloudy | 1 to 5 mph NW | 14% |
| Thursday | 81°F | Sunny | 3 mph E | 7% |
| Thursday Night | 60°F | Mostly Clear | 2 mph S | 0% |
| Friday | 84°F | Sunny | 1 to 8 mph S | 4% |
| Friday Night | 65°F | Mostly Clear | 7 mph S | 9% |
| Saturday | 86°F | Mostly Sunny | 6 to 9 mph SW | 11% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 7 to 10 mph S | 30% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 12 mph SW | 30% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 6 to 10 mph S | 41% |
| Monday | 86°F | Chance Showers And Thunderstorms | 9 mph S | 41% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Osterdock (42.731, -91.159). Updated through the day.
Growing snapshot for Osterdock
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
178 days
Hardiness zone
5a
More local growing data for Osterdock: nearby ZIP 52052 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Clayton
Colesburg
Edgewood
Elkader
Elkport
Farmersburg
Garber
Garnavillo
Guttenberg
Luana
Marquette
McGregor
North Buena Vista
St. Olaf
Strawberry Point
Volga
Climate data from the nearest NOAA station, Guttenberg L&D 10, Ia (3.2 mi from Osterdock). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.