Otho, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Otho, a city in Webster County, Iowa.
This Afternoon
48°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. High near 48, with temperatures falling to around 46 in the afternoon. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast for Otho
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Slight Chance Rain Showers | 14 mph W | 22% |
| Tonight | 41°F | Chance Rain Showers | 12 mph WNW | 35% |
| Thursday | 49°F | Slight Chance Rain Showers then Cloudy | 10 to 14 mph NNW | 16% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 9 mph N | 2% |
| Friday | 47°F | Mostly Sunny | 5 mph NNE | 2% |
| Friday Night | 27°F | Partly Cloudy | 1 mph N | 0% |
| Saturday | 53°F | Mostly Sunny | 1 to 6 mph SW | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph WSW | 0% |
| Sunday | 59°F | Sunny | 3 mph W | 0% |
| Sunday Night | 37°F | Clear | 5 mph SSW | 0% |
| Monday | 66°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 61°F | Sunny | 3 mph NNW | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 2 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov) for Otho (42.422, -94.149). Updated through the day.
Growing snapshot for Otho
Last spring frost
Apr 28
First fall frost
Oct 8
Growing season
162 days
Hardiness zone
5a
More local growing data for Otho: nearby ZIP 50569 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Badger
Barnum
Callender
Clare
Coalville
Dayton
Duncombe
Fort Dodge
Gowrie
Harcourt
Lehigh
Moorland
Vincent
Climate data from the nearest NOAA station, Ft Dodge 5Nnw, Ia (12.9 mi from Otho). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.