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Waterloo, IL Weather Forecast
Waterloo, IL Weather Forecast Dated: 630 PM Sat Oct 24 2026
Expect a mild stretch with more clouds than sun and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Saturday, October 24, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
66°F 19°C
Overcast
Pleasant near 75°F 24°C, overcast throughout the day, with steady humidity and steady pressure.
Sunday, October 25, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
66°F 19°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, October 26, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
65°F 19°C
Overcast
Enjoyable around 76°F 25°C, overcast throughout the day, with steady humidity and barometric pressure falling.
Tuesday, October 27, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
65°F 19°C
Overcast
Mild temperatures up to 75°F 24°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSE to the S at 6 mph 9 km/h.
Wednesday, October 28, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
68°F 20°C
Sunny
Very warm with a high of 80°F 26°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the SSE to the S at 7 mph 11 km/h.
Thursday, October 29, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
79°F 26°C
Partly Cloudy
Early-Evening
70°F 21°C
Partly Cloudy
Pleasant near 79°F 26°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Friday, October 30, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
75°F 24°C
Cloudy
Early-Evening
68°F 20°C
Overcast
Comfortable with temperatures reaching 75°F 24°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the S to the SSE at 7 mph 11 km/h.
Saturday, October 31, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
69°F 21°C
Overcast
Enjoyable around 73°F 23°C, overcast throughout the day, with steady humidity and steady pressure. Winds out of the SSE at 9 mph 14 km/h. Gusts up to 23 mph 37 km/h.
Sunday, November 1, 2026
Mid-Morning
69°F 20°C
Scattered Showers
Mid-Afternoon
77°F 25°C
Scattered Showers
Early-Evening
67°F 19°C
Drizzle
Mild temperatures up to 77°F 25°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the S to the WSW at 6 mph 10 km/h. Gusts up to 21 mph 34 km/h.
Monday, November 2, 2026
Mid-Morning
61°F 16°C
Light Showers
Mid-Afternoon
61°F 16°C
Light Rain
Early-Evening
64°F 18°C
Scattered Showers
Mildly cool near 61°F 16°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds turning from the WSW to the W at 10 mph 17 km/h. Gusts up to 30 mph 49 km/h.
Tuesday, November 3, 2026
Mid-Morning
67°F 19°C
Scattered Showers
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
64°F 18°C
Partly Cloudy
Pleasant near 68°F 20°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the W to the NW at 11 mph 18 km/h. Gusts up to 24 mph 39 km/h.
Wednesday, November 4, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
60°F 15°C
Partly Cloudy
Early-Evening
55°F 13°C
Partly Cloudy
Cool with a high near 60°F 15°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds tapering down from NW 10 mph 15 km/h to N 2 mph 4 km/h.
Thursday, November 5, 2026
Mid-Morning
55°F 13°C
Cloudy
Mid-Afternoon
62°F 17°C
Cloudy
Early-Evening
58°F 15°C
Cloudy
Refreshing around 62°F 17°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling.
Friday, November 6, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
64°F 18°C
Partly Cloudy
Early-Evening
58°F 15°C
Partly Cloudy
Mildly cool near 64°F 18°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
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