Marble Rock, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marble Rock, a city in Floyd County, Iowa.
Overnight
63°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a low around 63. Southeast wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Marble Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms Likely | 9 mph SE | 63% |
| Saturday | 73°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 53% |
| Saturday Night | 57°F | Chance Showers And Thunderstorms | 13 mph N | 27% |
| Sunday | 66°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph NE | 18% |
| Sunday Night | 51°F | Mostly Cloudy then Chance Rain Showers | 13 mph NE | 27% |
| Monday | 61°F | Chance Rain Showers | 13 mph NE | 41% |
| Monday Night | 46°F | Chance Rain Showers | 6 to 9 mph NE | 30% |
| Tuesday | 61°F | Mostly Sunny | 8 mph NE | 13% |
| Tuesday Night | 42°F | Mostly Clear | 2 to 6 mph E | 2% |
| Wednesday | 65°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 47°F | Partly Cloudy | 3 mph E | 5% |
| Thursday | 66°F | Partly Sunny | 1 to 5 mph E | 10% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph E | 4% |
| Friday | 68°F | Mostly Sunny | 1 to 6 mph SE | 4% |
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 19, 2026.