Otho, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Otho, a city in Webster County, Iowa.
Tonight
43°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 43, with temperatures rising to around 46 overnight. Northwest wind 12 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Otho
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Rain Showers Likely | 12 to 15 mph NW | 72% |
| Wednesday | 50°F | Chance Rain Showers | 15 mph W | 39% |
| Wednesday Night | 41°F | Chance Rain Showers | 12 mph WNW | 49% |
| Thursday | 51°F | Rain Showers Likely | 9 to 13 mph NW | 58% |
| Thursday Night | 37°F | Mostly Cloudy | 5 to 8 mph N | 12% |
| Friday | 50°F | Partly Sunny | 5 mph N | 1% |
| Friday Night | 32°F | Mostly Cloudy | 1 mph NNW | 0% |
| Saturday | 56°F | Mostly Sunny | 1 to 5 mph SW | 2% |
| Saturday Night | 36°F | Partly Cloudy | 3 mph W | 4% |
| Sunday | 61°F | Sunny | 5 mph W | 5% |
| Sunday Night | 38°F | Mostly Clear | 6 mph SW | 2% |
| Monday | 64°F | Sunny | 6 to 9 mph WSW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 62°F | Mostly Sunny | 5 mph W | 1% |
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 4, 2026.