Harman US

Chatsworth, IA Weather & Growing Conditions

Tonight
63°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1am and 2am, then patchy fog and a chance of showers and thunderstorms between 2am and 4am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy. Low around 63, with temperatures rising to around 67 overnight. North wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 63°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 5 mph N 33%
Saturday 71°F Patchy Fog then Cloudy 5 to 10 mph N 21%
Saturday Night 57°F Mostly Cloudy 5 to 10 mph NNE 14%
Sunday 66°F Mostly Cloudy then Chance Rain Showers 10 to 15 mph NE 40%
Sunday Night 53°F Rain Showers Likely 5 to 10 mph ENE 68%
Monday 60°F Showers And Thunderstorms Likely 10 mph ENE 68%
Monday Night 48°F Chance Rain Showers then Mostly Cloudy 5 mph ENE 39%
Tuesday 63°F Mostly Cloudy 5 mph E 4%
Tuesday Night 48°F Partly Cloudy 5 mph ESE 0%
Wednesday 67°F Mostly Sunny 5 to 10 mph SE 10%
Wednesday Night 52°F Mostly Cloudy then Chance Rain Showers 5 mph SE 38%
Thursday 67°F Chance Rain Showers 5 to 10 mph SSE 38%
Thursday Night 54°F Mostly Cloudy then Slight Chance Rain Showers 0 to 5 mph SE 20%
Friday 70°F Slight Chance Rain Showers then Partly Sunny 0 to 10 mph SE 20%

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

Growing snapshot for Chatsworth, IA

Last spring frost
May 1
First fall frost
Oct 4
Growing season
155 days

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

Climate data from the nearest NOAA station, Hawarden, Ia (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.