Sanborn, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sanborn, a city in O'brien County, Iowa.
This Afternoon
64°F
Patchy Fog
Patchy fog. Cloudy, with a high near 64. North northeast wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sanborn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Patchy Fog | 10 mph NNE | 4% |
| Tonight | 55°F | Patchy Fog | 10 to 15 mph NNE | 4% |
| Sunday | 66°F | Patchy Fog then Cloudy | 15 mph NE | 12% |
| Sunday Night | 51°F | Rain Showers | 10 to 15 mph ENE | 81% |
| Monday | 57°F | Rain Showers | 10 to 15 mph ENE | 81% |
| Monday Night | 45°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 31% |
| Tuesday | 62°F | Partly Sunny | 5 to 10 mph E | 4% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph SE | 4% |
| Wednesday Night | 50°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SE | 34% |
| Thursday | 68°F | Chance Showers And Thunderstorms | 10 to 15 mph SSE | 43% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 5 to 10 mph SE | 17% |
| Friday | 71°F | Mostly Cloudy | 5 to 10 mph SE | 14% |
| Friday Night | 56°F | Mostly Cloudy then Chance Rain Showers | 10 mph SE | 27% |
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
Nearby towns & communities
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.