Oto, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oto, a city in Woodbury County, Iowa.
This Afternoon
55°F
Rain Showers
Rain showers. Cloudy. High near 55, with temperatures falling to around 49 in the afternoon. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Oto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Rain Showers | 15 mph NNW | 79% |
| Tonight | 39°F | Rain Showers | 10 to 15 mph NW | 83% |
| Wednesday | 48°F | Chance Rain Showers | 10 to 15 mph WNW | 45% |
| Wednesday Night | 37°F | Cloudy then Chance Rain Showers | 10 mph WNW | 43% |
| Thursday | 49°F | Chance Rain Showers | 10 mph NNW | 35% |
| Thursday Night | 34°F | Mostly Cloudy | 0 to 5 mph N | 2% |
| Friday | 50°F | Partly Sunny | 0 mph | 0% |
| Friday Night | 31°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 57°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 4% |
| Sunday | 61°F | Sunny | 0 to 5 mph WSW | 3% |
| Sunday Night | 38°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Oto (42.282, -95.895). Updated through the day.
Growing snapshot for Oto
Last spring frost
May 3
First fall frost
Oct 1
Growing season
151 days
Hardiness zone
5a
More local growing data for Oto: nearby ZIP 51044 weather · frost dates · planting calendar · Iowa frost dates
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Climate data from the nearest NOAA station, Mapleton No.2, Ia (12.1 mi from Oto). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.