Weather WorldFirst Lake, WI 14 Day Weather
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First Lake, WI Weather Forecast
First Lake, WI Weather Forecast Dated: 400 PM Tue Sep 15 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Tuesday, September 15, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
66°F 19°C
Overcast
Pleasant near 70°F 21°C, overcast throughout the day, with lower humidity and barometric pressure rising. Winds easing from WNW 12 mph 19 km/h to WNW 3 mph 5 km/h.
Wednesday, September 16, 2026
Mid-Morning
58°F 15°C
Cloudy
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
68°F 20°C
Partly Cloudy
Comfortable with temperatures reaching 73°F 23°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the E to the ESE at 7 mph 11 km/h.
Thursday, September 17, 2026
Mid-Morning
61°F 16°C
Light Fog
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
72°F 22°C
Overcast
Enjoyable around 73°F 23°C, overcast throughout the day, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
58°F 15°C
Light Showers
Mid-Afternoon
57°F 14°C
Light Showers
Early-Evening
54°F 13°C
Light Showers
Crisp with a high near 57°F 14°C, rounds of showers expected off and on all day, with steady humidity and barometric pressure falling. Winds E at 15 mph 24 km/h. Gusts up to 32 mph 52 km/h.
Saturday, September 19, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
55°F 13°C
Light Showers
Brisk around 55°F 13°C, scattered downpours possible, with steady humidity and steady pressure. Winds out of the ENE at 9 mph 15 km/h. Gusts up to 23 mph 38 km/h.
Sunday, September 20, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
58°F 15°C
Scattered Showers
Early-Evening
58°F 14°C
Overcast
Mildly cool near 58°F 15°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds shifting from the ENE to the E at 12 mph 19 km/h. Gusts up to 25 mph 40 km/h.
Monday, September 21, 2026
Mid-Morning
53°F 12°C
Heavy Rain Showers
Mid-Afternoon
55°F 13°C
Light Showers
Early-Evening
54°F 12°C
Light Showers
Chilly near 55°F 13°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds turning from the ENE to the SSW at 3 mph 4 km/h.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Fog
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
67°F 20°C
Overcast
Enjoyable around 68°F 20°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
63°F 17°C
Light Showers
Mid-Afternoon
69°F 21°C
Scattered Showers
Early-Evening
67°F 20°C
Scattered Showers
Mild temperatures up to 69°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the S at 7 mph 12 km/h.
Thursday, September 24, 2026
Mid-Morning
63°F 17°C
Light Showers
Mid-Afternoon
64°F 18°C
Light Fog
Early-Evening
64°F 18°C
Light Fog
Mildly cool near 64°F 18°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
59°F 15°C
Light Fog
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
62°F 17°C
Partly Cloudy
Pleasant near 70°F 21°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the NNW to the NW at 6 mph 10 km/h.
Saturday, September 26, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
55°F 13°C
Overcast
Cool with a high near 61°F 16°C, cloudy through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds swinging from the N to the NNW at 7 mph 11 km/h.
Sunday, September 27, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
56°F 14°C
Sunny
Refreshing around 60°F 16°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds shifting from the NW to the WNW at 4 mph 6 km/h.
Monday, September 28, 2026
Mid-Morning
49°F 10°C
Sunny
Mid-Afternoon
61°F 16°C
Partly Cloudy
Early-Evening
55°F 13°C
Partly Cloudy
Mildly cool near 61°F 16°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling.
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