Oto, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oto, a city in Woodbury County, Iowa.
Today
71°F
Patchy Smoke
Patchy smoke and showers and thunderstorms before 4pm, then patchy smoke and scattered showers and thunderstorms. Mostly cloudy, with a high near 71. North wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Oto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke | 10 mph N | 84% |
| Tonight | 57°F | Patchy Smoke | 0 to 5 mph NNE | 48% |
| Wednesday | 74°F | Partly Sunny | 0 to 5 mph NE | 11% |
| Wednesday Night | 53°F | Mostly Clear | 0 to 5 mph ESE | 2% |
| Thursday | 81°F | Sunny | 0 to 5 mph SSE | 1% |
| Thursday Night | 61°F | Mostly Clear | 5 mph SSE | 1% |
| Friday | 85°F | Sunny | 5 to 10 mph S | 3% |
| Friday Night | 66°F | Mostly Clear | 5 mph S | 9% |
| Saturday | 90°F | Sunny | 0 to 15 mph S | 3% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph SSE | 19% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SSE | 15% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 mph SE | 23% |
| Monday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SE | 23% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 19% |
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 Aug 4, 2026.