Weather forecast for: Marathon IA
Last Update: 11:48 pm CDT Sep 16, 2026
Overnight: A chance of showers before 2am, then a chance of sprinkles with a slight chance of showers between 2am and 3am, then a slight chance of showers after 3am. Patchy fog. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.
Thursday: A chance of sprinkles before 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 73. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 60. East northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday: Showers and thunderstorms, mainly before noon. High near 80. East southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday: A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 73. North wind 5 to 10 mph.
Saturday Night: Mostly cloudy, with a low around 55.
Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 64.
Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Monday Night: Mostly cloudy, with a low around 49.
Tuesday: Mostly cloudy, with a high near 65.
Tuesday Night: Mostly cloudy, with a low around 50.
Wednesday: Partly sunny, with a high near 70.
WeatherWorld.com
