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Downey, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Downey, a community in Muscatine County, Iowa.

This Afternoon
68°F
Showers And Thunderstorms
Rain showers before 3pm, then showers and thunderstorms. Mostly cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

7-day forecast for Downey

WhenTempForecastWindPrecip
This Afternoon 68°F Showers And Thunderstorms 15 mph S 92%
Tonight 50°F Chance Showers And Thunderstorms 10 to 15 mph S 49%
Wednesday 54°F Chance Rain Showers 10 to 15 mph SW 26%
Wednesday Night 45°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph SW 16%
Thursday 54°F Chance Rain Showers 10 mph W 46%
Thursday Night 42°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph NW 25%
Friday 52°F Partly Sunny 5 to 10 mph N 7%
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 36°F Mostly Clear 0 to 5 mph W 4%
Sunday 59°F Sunny 5 to 10 mph NW 8%
Sunday Night 37°F Mostly Clear 0 to 5 mph W 3%
Monday 63°F Sunny 5 to 10 mph SW 0%
Monday Night 41°F Mostly Clear 5 mph W 0%

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

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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 Nov 3, 2026.