Marathon, WI 14 Day Weather - 54426 WeatherWorld.com
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Marathon, WI Weather Forecast


Marathon, WI Weather Forecast Dated: 1026 AM Fri Sep 04 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Friday, September 4, 2026
Mid-Morning
73°F 23°C
Rain Showers
Mid-Afternoon
90°F 32°C
Rain Showers
Early-Evening
73°F 23°C
Scattered Showers
Sizzling hot near 90°F 32°C with a heat index reaching 100°F 38°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
71°F 22°C
Cloudy
Comfortable with temperatures reaching 75°F 24°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
71°F 22°C
Overcast
Enjoyable around 74°F 23°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Monday, September 7, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
64°F 18°C
Light Showers
Mild temperatures up to 72°F 22°C, drier conditions through late afternoon before showers move in, with increasing humidity and steady pressure. Winds turning from the SSE to the SE at 9 mph 14 km/h. Gusts up to 20 mph 32 km/h.
Tuesday, September 8, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
82°F 28°C
Partly Cloudy
Very warm with a high of 81°F 27°C, scattered downpours possible, with lower humidity and barometric pressure falling. Winds switching from the SSE to the S at 15 mph 23 km/h. Gusts up to 31 mph 50 km/h.
Wednesday, September 9, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
66°F 19°C
Partly Cloudy
Early-Evening
60°F 16°C
Sunny
Mildly cool near 66°F 19°C, partly cloudy throughout the day, with steady humidity and barometric pressure rising. Winds moving from the WNW to the NW at 15 mph 24 km/h. Gusts up to 25 mph 40 km/h.
Thursday, September 10, 2026
Mid-Morning
55°F 13°C
Light Fog
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
65°F 19°C
Overcast
Comfortable at 64°F 18°C, cloudy through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling.
Friday, September 11, 2026
Mid-Morning
60°F 15°C
Overcast
Mid-Afternoon
68°F 20°C
Partly Cloudy
Early-Evening
67°F 20°C
Overcast
Enjoyable around 68°F 20°C, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
59°F 15°C
Light Fog
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
70°F 21°C
Sunny
Mild temperatures up to 70°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the S to the SSW at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
51°F 10°C
Light Showers
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
55°F 13°C
Sunny
Cool and brisk at 57°F 14°C, early showers breaking for a drier afternoon, with lower humidity and barometric pressure rising. Winds tapering down from NNW 16 mph 26 km/h to SE 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
60°F 15°C
Sunny
Early-Evening
58°F 14°C
Sunny
Comfortable at 60°F 15°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Tuesday, September 15, 2026
Mid-Morning
53°F 11°C
Partly Cloudy
Mid-Afternoon
57°F 14°C
Overcast
Early-Evening
52°F 11°C
Heavy Rain
Crisp with a high near 57°F 14°C, dry most of the day, with showers developing late, with increasing humidity and barometric pressure falling. Winds turning from the S to the SSW at 14 mph 22 km/h. Gusts up to 32 mph 52 km/h.
Wednesday, September 16, 2026
Mid-Morning
68°F 20°C
Light Fog
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
78°F 26°C
Nearby Thunderstorms
Warm and summery around 80°F 27°C (feels like 83°F 28°C), periods of heavy thunderstorms, with steady humidity and steady pressure. Winds switching from the SW to the W at 11 mph 18 km/h. Gusts up to 25 mph 41 km/h.
Thursday, September 17, 2026
Mid-Morning
58°F 15°C
Fog
Mid-Afternoon
54°F 12°C
Scattered Showers
Early-Evening
50°F 10°C
Scattered Showers
Cool and brisk at 54°F 12°C, scattered downpours possible, with steady humidity and barometric pressure rising. Winds moving from the WNW to the N at 9 mph 14 km/h.
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