Osterdock, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Osterdock, a city in Clayton County, Iowa.
Tonight
63°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 63. East wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Osterdock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Chance Showers And Thunderstorms | 9 to 13 mph E | 87% |
| Saturday | 77°F | Showers And Thunderstorms | 9 mph S | 78% |
| Saturday Night | 59°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 10 mph N | 78% |
| Sunday | 69°F | Chance Rain Showers | 12 to 15 mph NE | 49% |
| Sunday Night | 54°F | Mostly Cloudy | 12 to 15 mph NE | 14% |
| Monday | 65°F | Chance Rain Showers | 14 mph NE | 43% |
| Monday Night | 49°F | Chance Rain Showers | 9 to 15 mph NE | 43% |
| Tuesday | 63°F | Chance Rain Showers | 12 mph NE | 34% |
| Tuesday Night | 46°F | Partly Cloudy | 3 to 9 mph NE | 6% |
| Wednesday | 67°F | Mostly Sunny | 7 mph NE | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 1 to 5 mph E | 3% |
| Thursday | 69°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 52°F | Partly Cloudy | 3 mph E | 6% |
| Friday | 71°F | Mostly Sunny | 1 to 6 mph NE | 4% |
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 Sep 19, 2026.