Steamboat Rock, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Steamboat Rock, a city in Hardin County, Iowa.
Today
78°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 75 in the afternoon. West wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Steamboat Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Fog | 8 mph W | 51% |
| Tonight | 59°F | Chance Showers And Thunderstorms | 10 mph N | 30% |
| Sunday | 66°F | Slight Chance Rain Showers then Chance Drizzle | 10 to 14 mph NE | 34% |
| Sunday Night | 54°F | Chance Rain Showers | 13 mph ENE | 35% |
| Monday | 62°F | Chance Rain Showers | 13 mph NE | 44% |
| Monday Night | 48°F | Chance Rain Showers | 6 to 10 mph NE | 44% |
| Tuesday | 61°F | Partly Sunny | 8 mph ENE | 12% |
| Tuesday Night | 44°F | Partly Cloudy | 2 to 6 mph ENE | 2% |
| Wednesday | 66°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph ESE | 5% |
| Thursday | 67°F | Partly Sunny | 3 mph ESE | 13% |
| Thursday Night | 53°F | Mostly Cloudy | 2 mph ESE | 8% |
| Friday | 69°F | Mostly Sunny | 1 to 5 mph ESE | 5% |
| Friday Night | 54°F | Mostly Cloudy | 3 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Steamboat Rock (42.408, -93.066). Updated through the day.
Growing snapshot for Steamboat Rock
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
165 days
Hardiness zone
5a
More local growing data for Steamboat Rock: nearby ZIP 50672 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Eldora, Ia (4.4 mi from Steamboat Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.