Blue Grass, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Grass, a city in Scott County, Iowa.
Overnight
68°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 30%.
7-day forecast for Blue Grass
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Patchy Fog | 5 mph S | 32% |
| Saturday | 82°F | Patchy Fog | 5 to 10 mph S | 88% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NW | 85% |
| Sunday | 70°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 to 15 mph NE | 77% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 15 mph NE | 48% |
| Monday | 64°F | Chance Rain Showers | 15 mph NE | 54% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 45% |
| Tuesday | 63°F | Slight Chance Rain Showers | 10 to 15 mph NE | 19% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 5 mph NE | 4% |
| Thursday Night | 54°F | Partly Cloudy | 5 mph NE | 4% |
| Friday | 71°F | Mostly Sunny | 5 mph NE | 3% |
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 Sep 19, 2026.