Harman US

Manchester, IA Weather & Growing Conditions

This Afternoon
75°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a high near 75. South wind 5 to 10 mph. Chance of precipitation is 70%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 75°F Showers And Thunderstorms Likely 5 to 10 mph S 70%
Tonight 59°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 5 to 10 mph NE 66%
Sunday 66°F Chance Rain Showers 10 to 15 mph NE 39%
Sunday Night 52°F Chance Rain Showers 10 to 15 mph NE 36%
Monday 62°F Rain Showers Likely 15 mph NE 63%
Monday Night 48°F Rain Showers Likely 10 to 15 mph NE 63%
Tuesday 61°F Chance Rain Showers 10 mph NE 47%
Tuesday Night 46°F Partly Cloudy 5 to 10 mph NE 7%
Wednesday 64°F Mostly Sunny 5 to 10 mph NE 1%
Wednesday Night 49°F Partly Cloudy 0 to 5 mph E 2%
Thursday 66°F Partly Sunny 0 to 5 mph E 9%
Thursday Night 53°F Slight Chance Rain Showers 0 to 5 mph E 15%
Friday 69°F Slight Chance Rain Showers then Partly Sunny 0 to 5 mph E 15%
Friday Night 54°F Mostly Cloudy 0 to 5 mph E 9%

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

Growing snapshot for Manchester, IA

Last spring frost
May 3
First fall frost
Oct 4
Growing season
154 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Manchester #2, Ia (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.