Harman US

Carter Lake, IA Weather & Growing Conditions

Today
81°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and thunderstorms likely. Partly sunny. High near 81, with temperatures falling to around 79 in the afternoon. North northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Slight Chance Showers And Thunderstorms 10 mph NNE 63%
Tonight 63°F Chance Showers And Thunderstorms then Patchy Smoke 5 to 10 mph NNE 83%
Wednesday 75°F Patchy Smoke 6 mph NE 59%
Wednesday Night 59°F Mostly Clear 1 to 5 mph ENE 5%
Thursday 83°F Mostly Sunny 0 to 5 mph ESE 1%
Thursday Night 66°F Mostly Clear 5 mph SSE 5%
Friday 88°F Sunny 3 to 7 mph S 5%
Friday Night 71°F Mostly Clear 6 mph SSE 4%
Saturday 94°F Sunny 3 to 12 mph S 2%
Saturday Night 74°F Mostly Clear 8 to 12 mph S 8%
Sunday 95°F Mostly Sunny 7 to 12 mph SSE 5%
Sunday Night 75°F Slight Chance Showers And Thunderstorms 12 mph SE 18%
Monday 96°F Slight Chance Showers And Thunderstorms then Mostly Sunny 9 to 13 mph S 16%
Monday Night 75°F Partly Cloudy then Slight Chance Showers And Thunderstorms 7 to 12 mph SE 23%

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 Aug 4, 2026.