Long Grove, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Long Grove, 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 4pm. 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 Long Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Tonight | 67°F | Showers And Thunderstorms Likely | 5 mph N | 84% |
| Wednesday | 77°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph NE | 75% |
| Wednesday Night | 61°F | Showers And Thunderstorms Likely | 5 mph N | 67% |
| Thursday | 80°F | Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 39% |
| Thursday Night | 61°F | Mostly Clear | 0 mph | 6% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 85°F | Sunny | 5 mph S | 10% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 19% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SW | 19% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 36% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 36% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 mph SW | 35% |
Forecast source: National Weather Service (api.weather.gov) for Long Grove (41.692, -90.580). Updated through the day.
Growing snapshot for Long Grove
Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
176 days
Hardiness zone
5b
More local growing data for Long Grove: nearby ZIP 52748 weather · frost dates · planting calendar · Iowa frost dates
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Climate data from the nearest NOAA station, Davenport Wfo, Ia (3.9 mi from Long Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.