Harman US

Okoboji, IA Weather & Growing Conditions

Overnight
40°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 40, with temperatures rising to around 43 overnight. Northwest wind around 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 40°F Rain Showers Likely 20 mph NW 69%
Wednesday 45°F Rain Showers Likely 15 to 20 mph WNW 61%
Wednesday Night 38°F Rain Showers Likely 20 mph NW 56%
Thursday 45°F Mostly Cloudy 15 to 20 mph NNW 8%
Thursday Night 32°F Mostly Cloudy 5 to 15 mph N 0%
Friday 45°F Mostly Sunny 0 to 5 mph NE 0%
Friday Night 28°F Partly Cloudy 0 to 5 mph SSE 0%
Saturday 49°F Mostly Sunny 5 to 10 mph SW 0%
Saturday Night 34°F Mostly Clear 5 mph W 0%
Sunday 54°F Sunny 5 to 10 mph W 0%
Sunday Night 37°F Mostly Clear 5 to 10 mph SW 0%
Monday 60°F Sunny 10 mph WSW 0%
Monday Night 38°F Mostly Clear 5 mph NW 0%
Tuesday 57°F Mostly Sunny 5 mph NW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Okoboji, IA

Last spring frost
May 1
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a

Explore more for Okoboji, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Milford 4 Nw, Ia (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.