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Upper First Lake, WI 14 Day Weather
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Upper First Lake, WI Weather Forecast
Upper First Lake, WI Weather Forecast Dated: 438 AM Tue Sep 08 2026
Expect a cool pattern 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.
Tuesday, September 8, 2026
Mid-Morning
63°F 17°C
Light Rain
Mid-Afternoon
60°F 15°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Refreshing around 60°F 15°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds out of the S at 12 mph 19 km/h. Gusts up to 30 mph 48 km/h.
Wednesday, September 9, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 77°F 25°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the W to the NW at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.
Thursday, September 10, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
65°F 19°C
Sunny
Enjoyable around 69°F 21°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
65°F 19°C
Overcast
Early-Evening
63°F 18°C
Scattered Showers
Cool with a high near 65°F 19°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds moving from the SSW to the SSE at 11 mph 18 km/h. Gusts up to 28 mph 45 km/h.
Saturday, September 12, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
67°F 20°C
Cloudy
Mild with a high of 72°F 22°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds swinging from the WNW to the E at 3 mph 4 km/h.
Sunday, September 13, 2026
Mid-Morning
55°F 13°C
Light Showers
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
60°F 16°C
Light Showers
Mildly cool near 64°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the ESE to the E at 6 mph 9 km/h.
Monday, September 14, 2026
Mid-Morning
55°F 13°C
Fog
Mid-Afternoon
57°F 14°C
Fog
Early-Evening
58°F 14°C
Fog
Chilly near 57°F 14°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the ENE to the WSW at 8 mph 13 km/h. Gusts up to 21 mph 34 km/h.
Tuesday, September 15, 2026
Mid-Morning
43°F 6°C
Scattered Showers
Mid-Afternoon
44°F 7°C
Scattered Showers
Early-Evening
44°F 7°C
Scattered Showers
Biting cold near 44°F 7°C, scattered downpours possible, with steady humidity and barometric pressure rising. Winds switching from the WNW to the NW at 8 mph 12 km/h.
Wednesday, September 16, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
59°F 15°C
Cloudy
Early-Evening
60°F 15°C
Sunny
Refreshing around 59°F 15°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds blowing from the WNW at 10 mph 16 km/h.
Thursday, September 17, 2026
Mid-Morning
53°F 12°C
Cloudy
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
62°F 17°C
Overcast
Mildly cool near 65°F 18°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds swinging from the SW to the SSW at 10 mph 16 km/h. Gusts up to 26 mph 42 km/h.
Friday, September 18, 2026
Mid-Morning
55°F 13°C
Light Showers
Mid-Afternoon
55°F 13°C
Scattered Showers
Early-Evening
46°F 8°C
Light Showers
Chilly near 55°F 13°C, scattered downpours possible, with increasing humidity and steady pressure. Winds shifting from the SW to the N at 10 mph 15 km/h. Gusts up to 21 mph 34 km/h.
Saturday, September 19, 2026
Mid-Morning
40°F 5°C
Partly Cloudy
Mid-Afternoon
49°F 9°C
Sunny
Early-Evening
45°F 8°C
Sunny
Crisp with a high near 49°F 9°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the NNW to the SE at 5 mph 7 km/h.
Sunday, September 20, 2026
Mid-Morning
44°F 6°C
Sunny
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
52°F 11°C
Sunny
Brisk around 56°F 13°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds SW at 10 mph 16 km/h.
Monday, September 21, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 63°F 17°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the WSW to the SSW at 6 mph 9 km/h.
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