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
79°F
Showers And Thunderstorms
Showers and thunderstorms. Partly sunny. High near 79, with temperatures falling to around 75 in the afternoon. Northwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Steamboat Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Showers And Thunderstorms | 8 mph NW | 77% |
| Tonight | 59°F | Showers And Thunderstorms Likely | 5 to 8 mph N | 72% |
| Wednesday | 74°F | Chance Showers And Thunderstorms then Partly Sunny | 5 mph NE | 33% |
| Wednesday Night | 54°F | Mostly Clear | 2 mph NNE | 10% |
| Thursday | 80°F | Sunny | 2 mph E | 1% |
| Thursday Night | 59°F | Mostly Clear | 3 mph SSE | 0% |
| Friday | 83°F | Sunny | 2 to 8 mph S | 8% |
| Friday Night | 65°F | Mostly Clear | 7 mph S | 13% |
| Saturday | 86°F | Sunny | 3 to 8 mph S | 13% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 12 mph SSW | 16% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph SSE | 16% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 8 mph SSE | 34% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph S | 34% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph E | 33% |
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 Aug 4, 2026.