Harman US

Sperry, IA Weather & Growing Conditions

Tonight
70°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 70°F Mostly Cloudy then Chance Showers And Thunderstorms 5 to 10 mph SE 34%
Saturday 86°F Chance Showers And Thunderstorms 5 to 10 mph S 35%
Saturday Night 66°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 mph NW 75%
Sunday 75°F Showers And Thunderstorms 5 to 10 mph NE 75%
Sunday Night 59°F Showers And Thunderstorms Likely 10 to 15 mph NE 72%
Monday 65°F Rain Showers Likely 10 to 15 mph NE 66%
Monday Night 54°F Chance Rain Showers 10 mph NE 54%
Tuesday 64°F Chance Rain Showers 10 mph NE 39%
Tuesday Night 50°F Partly Cloudy 5 to 10 mph NE 7%
Wednesday 67°F Mostly Sunny 5 mph NE 2%
Wednesday Night 53°F Partly Cloudy 5 mph NE 1%
Thursday 70°F Partly Sunny 5 mph NE 7%
Thursday Night 55°F Partly Cloudy 0 to 5 mph NE 5%
Friday 71°F Mostly Sunny 5 mph NE 5%

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

Growing snapshot for Sperry, IA

Last spring frost
Apr 8
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Gladstone Dam 18, Il (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.