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Sanborn, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sanborn, a city in O'brien County, Iowa.

Today
68°F
Patchy Fog
Patchy fog and a slight chance of rain showers before 1pm. Cloudy, with a high near 68. North wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Sanborn

WhenTempForecastWindPrecip
Today 68°F Patchy Fog 10 mph N 23%
Tonight 55°F Patchy Fog 10 to 15 mph NNE 10%
Sunday 66°F Cloudy 15 mph NE 14%
Sunday Night 52°F Chance Rain Showers 10 to 15 mph ENE 49%
Monday 60°F Rain Showers Likely 10 to 15 mph ENE 56%
Monday Night 46°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph ENE 34%
Tuesday 62°F Mostly Sunny 5 to 10 mph E 5%
Tuesday Night 43°F Partly Cloudy 5 mph ESE 1%
Wednesday 65°F Mostly Sunny 5 to 10 mph SE 3%
Wednesday Night 49°F Partly Cloudy then Slight Chance Rain Showers 5 mph SE 19%
Thursday 67°F Slight Chance Rain Showers 5 to 10 mph SSE 20%
Thursday Night 52°F Mostly Cloudy 5 mph SE 12%
Friday 70°F Partly Sunny 5 to 10 mph SE 13%
Friday Night 53°F Mostly Cloudy then Slight Chance Rain Showers 10 mph SE 21%

Forecast source: National Weather Service (api.weather.gov) for Sanborn (43.181, -95.655). Updated through the day.

Growing snapshot for Sanborn

Last spring frost
May 1
First fall frost
Oct 7
Growing season
160 days
Hardiness zone
5a

More local growing data for Sanborn: nearby ZIP 51248 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Sanborn, Ia (1.7 mi from Sanborn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.