Harman US

Carter Lake, IA Weather & Growing Conditions

This Afternoon
79°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny. High near 79, with temperatures falling to around 76 in the afternoon. North northwest wind around 7 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 79°F Slight Chance Showers And Thunderstorms 7 mph NNW 20%
Tonight 62°F Chance Showers And Thunderstorms 9 mph N 29%
Sunday 65°F Chance Rain Showers 9 mph N 41%
Sunday Night 57°F Rain Showers Likely 5 to 8 mph NNE 58%
Monday 61°F Rain Showers Likely 8 mph NE 67%
Monday Night 53°F Chance Rain Showers then Mostly Cloudy 3 to 7 mph NNE 28%
Tuesday 62°F Partly Sunny 6 mph NE 3%
Tuesday Night 49°F Mostly Cloudy 5 mph E 1%
Wednesday 64°F Partly Sunny 5 mph ESE 3%
Wednesday Night 54°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 5 mph SE 24%
Thursday 67°F Chance Showers And Thunderstorms 7 mph SE 35%
Thursday Night 58°F Slight Chance Rain Showers then Mostly Cloudy 5 mph SE 20%
Friday 69°F Slight Chance Rain Showers 2 to 6 mph ESE 20%
Friday Night 59°F Chance Rain Showers 6 mph ESE 28%

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

Growing snapshot for Carter Lake, IA

Last spring frost
Apr 18
First fall frost
Oct 21
Growing season
185 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Omaha Eppley Airfield, Ne (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.