Blue Grass, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Grass, a city in Scott County, Iowa.
Tonight
52°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 3am. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
7-day forecast for Blue Grass
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Showers And Thunderstorms Likely | 10 to 15 mph S | 71% |
| Wednesday | 55°F | Chance Rain Showers | 15 mph SW | 30% |
| Wednesday Night | 46°F | Slight Chance Rain Showers | 10 to 15 mph SW | 21% |
| Thursday | 54°F | Chance Rain Showers | 10 to 15 mph W | 49% |
| Thursday Night | 43°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 25% |
| Friday | 52°F | Partly Sunny | 5 to 10 mph N | 10% |
| Friday Night | 35°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 37°F | Mostly Clear | 0 to 5 mph W | 3% |
| Sunday | 58°F | Sunny | 5 to 10 mph W | 11% |
| Sunday Night | 38°F | Mostly Clear | 5 mph W | 3% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Blue Grass (41.510, -90.767). Updated through the day.
Growing snapshot for Blue Grass
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
5b
More local growing data for Blue Grass: nearby ZIP 52726 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Argo
Bettendorf
Big Rock
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, Rock Island L&D 15, Il (11.3 mi from Blue Grass). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.