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Avoca, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Avoca, a city in Pottawattamie County, Iowa.

Tonight
41°F
Rain Showers then Cloudy
Rain showers before midnight. Cloudy. Low around 41, with temperatures rising to around 43 overnight. Northwest wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Avoca

WhenTempForecastWindPrecip
Tonight 41°F Rain Showers then Cloudy 14 to 18 mph NW 75%
Wednesday 51°F Chance Rain Showers 13 to 17 mph WNW 29%
Wednesday Night 40°F Mostly Cloudy then Chance Rain Showers 8 to 12 mph WNW 34%
Thursday 51°F Chance Rain Showers 9 to 13 mph NW 49%
Thursday Night 37°F Mostly Cloudy 3 to 8 mph N 5%
Friday 52°F Partly Sunny 1 to 5 mph N 1%
Friday Night 34°F Mostly Cloudy 1 mph WNW 0%
Saturday 57°F Mostly Sunny 0 to 6 mph SW 3%
Saturday Night 36°F Mostly Clear 2 mph W 5%
Sunday 62°F Sunny 2 to 6 mph WSW 5%
Sunday Night 39°F Mostly Clear 5 mph SSW 0%
Monday 64°F Sunny 5 to 12 mph SW 0%
Monday Night 41°F Mostly Clear 2 to 6 mph NW 0%
Tuesday 63°F Mostly Sunny 2 to 6 mph ENE 0%

Forecast source: National Weather Service (api.weather.gov) for Avoca (41.483, -95.337). Updated through the day.

Growing snapshot for Avoca

Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5b

More local growing data for Avoca: nearby ZIP 51521 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Harlan, Ia (11.1 mi from Avoca). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.