Fish Lake, IL 14 Day Weather
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Fish Lake, IL Weather Forecast


Fish Lake, IL Weather Forecast Dated: 521 AM Sun Sep 27 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Sunday, September 27, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
75°F 24°C
Partly Cloudy
Warm and summery near 80°F 26°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
81°F 27°C
Cloudy
Early-Evening
75°F 24°C
Overcast
Balmy with temperatures reaching 81°F 27°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
89°F 32°C
Cloudy
Early-Evening
79°F 26°C
Overcast
Quite warm around 89°F 32°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the SSE to the NE at 7 mph 11 km/h.
Wednesday, September 30, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
66°F 19°C
Light Showers
Early-Evening
76°F 24°C
Light Fog
Cool with a high near 66°F 19°C, intermittent showers through midday, easing by evening, with lower humidity and steady pressure.
Thursday, October 1, 2026
Mid-Morning
74°F 23°C
Light Showers
Mid-Afternoon
78°F 25°C
Scattered Showers
Early-Evening
73°F 23°C
Scattered Showers
Mild with a high of 78°F 25°C, scattered downpours possible, with increasing humidity and barometric pressure falling.
Friday, October 2, 2026
Mid-Morning
70°F 21°C
Light Showers
Mid-Afternoon
73°F 23°C
Light Showers
Early-Evening
73°F 23°C
Light Showers
Pleasant near 73°F 23°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds switching from the S to the SSW at 5 mph 7 km/h.
Saturday, October 3, 2026
Mid-Morning
70°F 21°C
Light Showers
Mid-Afternoon
70°F 21°C
Light Showers
Early-Evening
69°F 21°C
Light Showers
Comfortable with temperatures reaching 70°F 21°C, rounds of showers expected off and on all day, with steady humidity and steady pressure.
Sunday, October 4, 2026
Mid-Morning
68°F 20°C
Light Showers
Mid-Afternoon
69°F 21°C
Light Showers
Early-Evening
67°F 20°C
Light Showers
Enjoyable around 69°F 21°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds moving from the S to the NW at 11 mph 17 km/h.
Monday, October 5, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
58°F 15°C
Overcast
Early-Evening
55°F 12°C
Sunny
Refreshing around 58°F 15°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds swinging from the NNW to the NNE at 10 mph 15 km/h.
Tuesday, October 6, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
58°F 15°C
Sunny
Mildly cool near 63°F 17°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Wednesday, October 7, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
65°F 19°C
Sunny
Pleasant near 71°F 22°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.
Thursday, October 8, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
53°F 12°C
Partly Cloudy
Cool with a high near 64°F 18°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds blowing from the NNW at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.
Friday, October 9, 2026
Mid-Morning
44°F 7°C
Cloudy
Mid-Afternoon
53°F 12°C
Sunny
Early-Evening
50°F 10°C
Sunny
Brisk around 53°F 12°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the NNW to the NW at 9 mph 14 km/h.
Saturday, October 10, 2026
Mid-Morning
47°F 9°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
61°F 16°C
Partly Cloudy
Mildly cool near 66°F 19°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the WSW to the NW at 10 mph 15 km/h.
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