Osterdock, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Osterdock, a city in Clayton County, Iowa.
This Afternoon
69°F
Showers And Thunderstorms
Rain showers likely before 3pm, then showers and thunderstorms. Mostly cloudy. High near 69, with temperatures falling to around 66 in the afternoon. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Osterdock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Showers And Thunderstorms | 14 mph S | 76% |
| Tonight | 52°F | Showers And Thunderstorms | 8 to 12 mph S | 89% |
| Wednesday | 54°F | Chance Rain Showers | 10 to 15 mph SW | 54% |
| Wednesday Night | 45°F | Rain Showers Likely | 12 to 15 mph SW | 56% |
| Thursday | 51°F | Rain Showers Likely | 13 mph W | 74% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph N | 18% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 6% |
| Friday Night | 32°F | Partly Cloudy | 0 to 3 mph NW | 1% |
| Saturday | 54°F | Mostly Sunny | 1 to 6 mph W | 2% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 59°F | Sunny | 5 to 9 mph W | 13% |
| Sunday Night | 36°F | Mostly Clear | 6 mph SW | 2% |
| Monday | 62°F | Sunny | 5 to 12 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 8 mph W | 1% |
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 Nov 3, 2026.