Sandusky, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sandusky, a community in Lee County, Iowa.
This Afternoon
70°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms. Cloudy. High near 70, with temperatures falling to around 68 in the afternoon. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
7-day forecast for Sandusky
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms Likely | 15 mph S | 59% |
| Tonight | 51°F | Chance Rain Showers | 10 to 15 mph S | 41% |
| Wednesday | 56°F | Mostly Cloudy | 15 mph SW | 14% |
| Wednesday Night | 45°F | Mostly Cloudy | 5 to 10 mph SW | 3% |
| Thursday | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph W | 15% |
| Thursday Night | 44°F | Mostly Cloudy then Chance Rain Showers | 5 mph NW | 29% |
| Friday | 54°F | Mostly Cloudy | 5 to 10 mph N | 9% |
| Friday Night | 38°F | Mostly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 55°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 38°F | Mostly Clear | 0 mph | 3% |
| Sunday | 61°F | Sunny | 0 to 5 mph W | 9% |
| Sunday Night | 39°F | Mostly Clear | 0 to 5 mph W | 3% |
| Monday | 65°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 43°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Sandusky (40.448, -91.389). Updated through the day.
Growing snapshot for Sandusky
Last spring frost
Apr 10
First fall frost
Oct 27
Growing season
198 days
Hardiness zone
6a
More local growing data for Sandusky: nearby ZIP 52632 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Argyle
Denmark
Donnellson
Farmington
Fort Madison
Franklin
Hillsboro
Houghton
Keokuk
Montrose
Mooar
Oak Hills
St. Paul
West Point
Wever
Climate data from the nearest NOAA station, Keokuk Lock Dam 19, Ia (4.4 mi from Sandusky). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.