Harman US

Leighton, IA Weather & Growing Conditions

Today
86°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Partly sunny. High near 86, with temperatures falling to around 84 in the afternoon. West southwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Partly Sunny then Slight Chance Showers And Thunderstorms 6 mph WSW 23%
Tonight 64°F Showers And Thunderstorms 9 mph NNE 92%
Wednesday 75°F Showers And Thunderstorms Likely then Showers And Thunderstorms 7 mph NNE 85%
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 18%
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 6 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 Mostly Sunny 12 mph SSW 13%
Sunday Night 71°F Slight Chance Showers And Thunderstorms 10 mph S 29%
Monday 90°F Chance Showers And Thunderstorms then Mostly Sunny 12 mph S 29%
Monday Night 72°F Chance Showers And Thunderstorms 13 mph SE 28%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Leighton, IA

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

Explore more for Leighton, IA: full frost dates · planting calendar · Iowa frost dates

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