Avoca, IA Weather & Growing Conditions
Tonight
41°F
Chance Rain Showers then Cloudy
A chance of rain showers before midnight. Cloudy. Low around 41, with temperatures rising to around 43 overnight. Northwest wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Chance Rain Showers then Cloudy | 15 to 18 mph NW | 50% |
| Wednesday | 50°F | Chance Rain Showers | 14 to 17 mph WNW | 29% |
| Wednesday Night | 40°F | Mostly Cloudy then Chance Rain Showers | 13 mph WNW | 29% |
| 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). Updated through the day.
Growing snapshot for Avoca, IA
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5b
Explore more for Avoca, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Harlan, Ia (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.