Harman US

Manning, IA Weather & Growing Conditions

Tonight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. South wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 67°F Chance Showers And Thunderstorms 5 to 9 mph S 53%
Saturday 77°F Patchy Fog 3 to 7 mph NW 38%
Saturday Night 59°F Slight Chance Showers And Thunderstorms 8 mph N 25%
Sunday 65°F Chance Rain Showers 8 to 12 mph NE 37%
Sunday Night 55°F Chance Rain Showers 9 mph ENE 43%
Monday 60°F Showers And Thunderstorms Likely 9 mph ENE 70%
Monday Night 50°F Showers And Thunderstorms Likely 3 to 8 mph NE 62%
Tuesday 60°F Mostly Cloudy 7 mph ENE 11%
Tuesday Night 47°F Partly Cloudy 0 to 5 mph E 3%
Wednesday 65°F Mostly Sunny 0 to 5 mph ESE 4%
Wednesday Night 51°F Mostly Cloudy then Slight Chance Rain Showers 2 mph ESE 16%
Thursday 67°F Slight Chance Rain Showers 0 to 5 mph SE 24%
Thursday Night 54°F Mostly Cloudy then Slight Chance Rain Showers 2 mph ESE 17%
Friday 67°F Slight Chance Rain Showers 0 to 6 mph SE 17%

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

Growing snapshot for Manning, IA

Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
166 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Carroll, Ia (15.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.