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
46°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 46, with temperatures rising to around 50 overnight. Southwest wind 6 to 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 |
|---|---|---|---|---|
| Tonight | 46°F | Rain Showers Likely | 6 to 9 mph SW | 56% |
| Wednesday | 52°F | Rain Showers Likely | 9 to 16 mph W | 69% |
| Wednesday Night | 41°F | Rain Showers | 10 to 14 mph W | 77% |
| Thursday | 51°F | Rain Showers Likely | 10 to 14 mph NW | 68% |
| Thursday Night | 36°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 10 mph N | 15% |
| Friday | 48°F | Partly Sunny | 3 to 9 mph N | 1% |
| Friday Night | 29°F | Partly Cloudy | 1 mph N | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 5% |
| Sunday | 58°F | Sunny | 7 mph W | 7% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SW | 2% |
| Monday | 62°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 6 mph W | 1% |
| Tuesday | 59°F | Mostly Sunny | 6 mph NW | 1% |
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 Nov 4, 2026.