Big Rock, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Rock, a community in Scott County, Iowa.
Overnight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Big Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Chance Showers And Thunderstorms | 5 mph SE | 75% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 5 mph S | 74% |
| Saturday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph N | 78% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 74% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 10 mph NE | 61% |
| Monday | 64°F | Rain Showers Likely | 10 mph NE | 56% |
| Monday Night | 52°F | Chance Rain Showers | 5 to 10 mph NE | 53% |
| Tuesday | 62°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 42% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph NE | 6% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 53°F | Partly Cloudy | 0 mph | 6% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Big Rock (41.769, -90.827). Updated through the day.
Growing snapshot for Big Rock
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
165 days
Hardiness zone
5b
More local growing data for Big Rock: nearby ZIP 52765 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Argo
Bettendorf
Blue Grass
Buffalo
Davenport
Dixon
Donahue
Eldridge
Le Claire
Long Grove
Maysville
McCausland
New Liberty
Panorama Park
Park View
Plainview
Princeton
Riverdale
Stockton
Walcott
Climate data from the nearest NOAA station, Lowden, Ia (10 mi from Big Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.