Marathon, IA 14 Day Weather - 50565 WeatherWorld.com
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Marathon, IA Weather Forecast


Marathon, IA Weather Forecast Dated: 651 PM Thu Sep 10 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Thursday, September 10, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
72°F 23°C
Sunny
Warm and summery near 80°F 27°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the N to the SSE at 9 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
85°F 29°C
Cloudy
Early-Evening
79°F 27°C
Overcast
Balmy with temperatures reaching 85°F 29°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds blowing from the S at 20 mph 32 km/h. Gusts up to 33 mph 54 km/h.
Saturday, September 12, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
75°F 24°C
Sunny
Enjoyable around 78°F 26°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the N to the NNE at 9 mph 15 km/h.
Sunday, September 13, 2026
Mid-Morning
60°F 15°C
Scattered Showers
Mid-Afternoon
67°F 20°C
Light Showers
Early-Evening
63°F 18°C
Scattered Showers
Cool with a high near 67°F 20°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds swinging from the E to the ESE at 11 mph 17 km/h. Gusts up to 23 mph 37 km/h.
Monday, September 14, 2026
Mid-Morning
75°F 24°C
Scattered Showers
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
78°F 26°C
Overcast
Mild with a high of 77°F 25°C, scattered downpours possible, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds tapering down from SSW 17 mph 28 km/h to WSW 8 mph 12 km/h.
Tuesday, September 15, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
69°F 20°C
Overcast
Early-Evening
65°F 19°C
Overcast
Pleasant near 69°F 20°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the NNW to the NE at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
56°F 14°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
65°F 18°C
Overcast
Comfortable at 65°F 18°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds out of the NE at 7 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
68°F 20°C
Sunny
Enjoyable around 71°F 22°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds moving from the SSE to the S at 8 mph 12 km/h.
Friday, September 18, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
73°F 23°C
Sunny
Mild temperatures up to 74°F 23°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds SSW at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
76°F 25°C
Sunny
Mild with a high of 79°F 26°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
73°F 23°C
Sunny
Pleasant near 76°F 25°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling. Winds shifting from the SSW to the S at 9 mph 14 km/h.
Monday, September 21, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
74°F 24°C
Sunny
Comfortable with temperatures reaching 76°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the S at 12 mph 19 km/h. Gusts up to 21 mph 33 km/h.
Tuesday, September 22, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
69°F 21°C
Sunny
Enjoyable around 72°F 22°C, sunny throughout the day, with lower humidity and steady pressure. Winds WNW at 18 mph 29 km/h. Gusts up to 21 mph 35 km/h.
Wednesday, September 23, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mildly cool near 61°F 16°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the ESE to the ENE at 8 mph 12 km/h.
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