Sandusky, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sandusky, a community in Lee County, Iowa.
Today
90°F
Sunny
Sunny. High near 90, with temperatures falling to around 88 in the afternoon. South wind 5 to 10 mph.
7-day forecast for Sandusky
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 5 to 10 mph S | 2% |
| Tonight | 70°F | Slight Chance Showers And Thunderstorms | 5 mph E | 22% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 5 mph S | 67% |
| Wednesday Night | 66°F | Showers And Thunderstorms | 5 mph N | 82% |
| Thursday | 83°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph NE | 77% |
| Thursday Night | 65°F | Mostly Clear | 0 to 5 mph E | 10% |
| Friday | 86°F | Mostly Sunny | 0 to 5 mph S | 7% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 21% |
| Saturday | 89°F | Slight Chance Showers And Thunderstorms then Sunny | 5 mph S | 21% |
| Saturday Night | 72°F | Mostly Clear | 5 to 10 mph S | 7% |
| Sunday | 91°F | Sunny | 10 mph SW | 7% |
| Sunday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Monday | 91°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SW | 17% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 26% |
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 Aug 4, 2026.