Blue Grass, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Grass, a city in Scott County, Iowa.
Today
85°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 85, with temperatures falling to around 83 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Blue Grass
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 17% |
| Tonight | 67°F | Showers And Thunderstorms Likely | 5 mph N | 83% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 5 mph NE | 79% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 5 mph N | 71% |
| Thursday | 80°F | Chance Rain Showers then Mostly Sunny | 5 mph NE | 43% |
| Thursday Night | 62°F | Mostly Clear | 0 mph | 7% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 66°F | Mostly Clear | 5 mph S | 10% |
| Saturday | 85°F | Sunny | 5 to 10 mph S | 9% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SW | 17% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 33% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 33% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 10 mph SE | 34% |
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
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Panorama Park
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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 Aug 4, 2026.