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Leighton, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Leighton, a city in Mahaska County, Iowa.

Today
87°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Partly sunny. High near 87, with temperatures falling to around 85 in the afternoon. West 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 Leighton

WhenTempForecastWindPrecip
Today 87°F Partly Sunny then Slight Chance Showers And Thunderstorms 7 mph WSW 23%
Tonight 64°F Showers And Thunderstorms 9 mph NNE 92%
Wednesday 76°F Showers And Thunderstorms Likely then Showers And Thunderstorms 7 mph NNE 83%
Wednesday Night 59°F Showers And Thunderstorms Likely 3 to 7 mph NNE 55%
Thursday 81°F Slight Chance Rain Showers then Sunny 3 mph ENE 19%
Thursday Night 61°F Mostly Clear 2 mph ESE 2%
Friday 85°F Sunny 5 mph SSE 6%
Friday Night 66°F Slight Chance Showers And Thunderstorms 5 mph SSE 15%
Saturday 89°F Sunny then Slight Chance Rain Showers 3 to 7 mph S 15%
Saturday Night 72°F Slight Chance Rain Showers then Mostly Clear 7 to 10 mph SSW 15%
Sunday 90°F Sunny 12 mph SSW 13%
Sunday Night 71°F Slight Chance Showers And Thunderstorms 9 mph SSE 29%
Monday 90°F Chance Showers And Thunderstorms then Mostly Sunny 12 mph SSW 29%
Monday Night 72°F Chance Showers And Thunderstorms 13 mph SE 29%

Forecast source: National Weather Service (api.weather.gov) for Leighton (41.339, -92.786). Updated through the day.

Growing snapshot for Leighton

Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
176 days
Hardiness zone
5b

More local growing data for Leighton: nearby ZIP 50143 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Oskaloosa, Ia (8.3 mi from Leighton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.