Otho, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Otho, a city in Webster County, Iowa.
Overnight
66°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. South southwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Otho
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Slight Chance Showers And Thunderstorms | 7 mph SSW | 19% |
| Tuesday | 77°F | Showers And Thunderstorms Likely | 6 to 10 mph NNW | 73% |
| Tuesday Night | 58°F | Showers And Thunderstorms Likely | 2 to 7 mph N | 57% |
| Wednesday | 75°F | Partly Sunny | 3 mph NE | 14% |
| Wednesday Night | 53°F | Mostly Clear | 2 mph ESE | 2% |
| Thursday | 81°F | Sunny | 0 to 5 mph SSE | 1% |
| Thursday Night | 60°F | Mostly Clear | 5 mph SSE | 1% |
| Friday | 85°F | Sunny | 3 to 9 mph S | 6% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph S | 23% |
| Saturday | 89°F | Mostly Sunny | 3 to 10 mph S | 11% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 7 to 10 mph SSE | 17% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSE | 17% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SSE | 31% |
| Monday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 12 mph SE | 31% |
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 Aug 4, 2026.