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Carson, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Carson, a city in Pottawattamie County, Iowa.

Today
81°F
Chance Rain Showers then Chance Showers And Thunderstorms
A chance of rain showers before 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 79 in the afternoon. West northwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Carson

WhenTempForecastWindPrecip
Today 81°F Chance Rain Showers then Chance Showers And Thunderstorms 8 mph WNW 30%
Tonight 61°F Chance Showers And Thunderstorms 8 to 12 mph N 55%
Sunday 65°F Chance Showers And Thunderstorms 13 mph NNE 38%
Sunday Night 55°F Chance Rain Showers 12 mph NE 38%
Monday 60°F Rain Showers Likely 12 mph NE 55%
Monday Night 51°F Rain Showers Likely then Mostly Cloudy 6 to 10 mph NE 55%
Tuesday 60°F Partly Sunny 9 mph ENE 3%
Tuesday Night 46°F Partly Cloudy 3 to 7 mph E 2%
Wednesday 64°F Mostly Sunny 6 mph ESE 2%
Wednesday Night 51°F Partly Cloudy then Slight Chance Rain Showers 5 mph ESE 21%
Thursday 65°F Chance Rain Showers 3 to 7 mph SE 29%
Thursday Night 55°F Slight Chance Rain Showers 6 mph ESE 23%
Friday 67°F Slight Chance Rain Showers 5 to 8 mph SE 23%
Friday Night 56°F Slight Chance Rain Showers 7 mph SE 16%

Forecast source: National Weather Service (api.weather.gov) for Carson (41.236, -95.420). Updated through the day.

Growing snapshot for Carson

Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
174 days
Hardiness zone
5b

More local growing data for Carson: nearby ZIP 51525 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Oakland, Ia (5.2 mi from Carson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.