Big Rock, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Rock, a community in Scott County, Iowa.
This Afternoon
68°F
Showers And Thunderstorms
Rain showers before 3pm, then showers and thunderstorms. Mostly cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
7-day forecast for Big Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Showers And Thunderstorms | 15 to 20 mph S | 94% |
| Tonight | 51°F | Showers And Thunderstorms Likely | 10 to 15 mph S | 71% |
| Wednesday | 55°F | Chance Rain Showers | 15 mph SW | 34% |
| Wednesday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SW | 21% |
| Thursday | 54°F | Chance Rain Showers | 5 to 10 mph W | 50% |
| Thursday Night | 42°F | Chance Rain Showers then Mostly Cloudy | 5 mph NW | 25% |
| Friday | 52°F | Partly Sunny | 5 mph N | 9% |
| Friday Night | 34°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 36°F | Mostly Clear | 0 to 5 mph W | 4% |
| Sunday | 59°F | Sunny | 5 mph W | 10% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph W | 3% |
| Monday | 62°F | Sunny | 5 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
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 Nov 3, 2026.