Marble Rock, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marble Rock, a city in Floyd County, Iowa.
Tonight
57°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Cloudy, with a low around 57. North wind 5 to 12 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marble Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Slight Chance Showers And Thunderstorms | 5 to 12 mph N | 23% |
| Sunday | 66°F | Slight Chance Rain Showers then Cloudy | 14 mph NE | 16% |
| Sunday Night | 50°F | Chance Rain Showers | 12 mph NE | 38% |
| Monday | 59°F | Rain Showers Likely | 13 mph NE | 70% |
| Monday Night | 46°F | Rain Showers Likely | 6 to 10 mph NE | 70% |
| Tuesday | 60°F | Slight Chance Rain Showers then Partly Sunny | 8 mph NE | 22% |
| Tuesday Night | 44°F | Partly Cloudy | 6 mph NE | 2% |
| Wednesday | 64°F | Mostly Sunny | 6 mph E | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph E | 6% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph SE | 18% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 2 mph SE | 20% |
| Friday | 70°F | Partly Sunny | 1 to 5 mph E | 14% |
| Friday Night | 54°F | Mostly Cloudy | 3 mph SE | 6% |
| Saturday | 69°F | Slight Chance Rain Showers | 3 to 8 mph SE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Marble Rock (42.965, -92.868). Updated through the day.
Growing snapshot for Marble Rock
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
157 days
Hardiness zone
5a
More local growing data for Marble Rock: nearby ZIP 50653 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Charles City, Ia (12.5 mi from Marble Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.