Downey, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Downey, a community in Muscatine County, Iowa.
Overnight
68°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 4am, then patchy fog and a slight chance of showers and thunderstorms between 4am and 5am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast for Downey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 36% |
| Saturday | 83°F | Patchy Fog | 5 to 10 mph SE | 77% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 84% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 69% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 52% |
| Monday | 64°F | Rain Showers Likely | 15 mph NE | 56% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 44% |
| Tuesday | 63°F | Slight Chance Rain Showers | 10 mph NE | 23% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 67°F | Sunny | 5 mph NE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov) for Downey (41.612, -91.347). Updated through the day.
Growing snapshot for Downey
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5b
More local growing data for Downey: nearby ZIP 52776 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Iowa City, Ia (12.1 mi from Downey). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.