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Sinclair, IA Weather Forecast
Sinclair, IA Weather Forecast Dated: 616 PM Tue Oct 20 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and a stable pattern will dominate.
Tuesday, October 20, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
57°F 14°C
Sunny
Refreshing around 66°F 19°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SE to the SSE at 8 mph 12 km/h.
Wednesday, October 21, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
62°F 17°C
Sunny
Comfortable with temperatures reaching 70°F 21°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the SSW to the S at 5 mph 9 km/h.
Thursday, October 22, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
62°F 17°C
Sunny
Enjoyable around 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds S at 8 mph 13 km/h.
Friday, October 23, 2026
Mid-Morning
56°F 14°C
Partly Cloudy
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
65°F 18°C
Sunny
Mild temperatures up to 72°F 22°C, cloudy throughout the day, with steady humidity and steady pressure. Winds out of the S at 16 mph 25 km/h. Gusts up to 30 mph 49 km/h.
Saturday, October 24, 2026
Mid-Morning
60°F 15°C
Partly Cloudy
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
67°F 20°C
Overcast
Mild with a high of 75°F 24°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the S to the SSW at 11 mph 18 km/h. Gusts up to 26 mph 42 km/h.
Sunday, October 25, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
57°F 14°C
Overcast
Early-Evening
51°F 11°C
Overcast
Cool and brisk at 57°F 14°C, overcast throughout the day, with lower humidity and steady pressure. Winds NNE at 12 mph 19 km/h.
Monday, October 26, 2026
Mid-Morning
45°F 7°C
Light Rain
Mid-Afternoon
42°F 6°C
Light Rain
Early-Evening
40°F 4°C
Light Rain
Nippy around 42°F 6°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds out of the NNE at 14 mph 23 km/h. Gusts up to 26 mph 42 km/h.
Tuesday, October 27, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
40°F 5°C
Scattered Showers
Early-Evening
39°F 4°C
Light Sleet
Biting cold near 40°F 5°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the NNE to the N at 8 mph 12 km/h.
Wednesday, October 28, 2026
Mid-Morning
38°F 3°C
Light Snow Showers
Mid-Afternoon
45°F 7°C
Partly Cloudy
Early-Evening
40°F 5°C
Sunny
Brisk around 45°F 7°C, morning snow, giving way to clearing skies, with lower humidity and steady pressure. Winds swinging from the NNW to the W at 8 mph 13 km/h.
Thursday, October 29, 2026
Mid-Morning
36°F 2°C
Sunny
Mid-Afternoon
44°F 7°C
Sunny
Early-Evening
38°F 3°C
Sunny
Nippy around 44°F 7°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the NNW to the SE at 6 mph 10 km/h.
Friday, October 30, 2026
Mid-Morning
35°F 2°C
Sunny
Mid-Afternoon
47°F 8°C
Overcast
Early-Evening
46°F 8°C
Overcast
Chilly near 47°F 8°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds blowing from the SSE at 15 mph 24 km/h. Gusts up to 34 mph 55 km/h.
Saturday, October 31, 2026
Mid-Morning
45°F 7°C
Drizzle
Mid-Afternoon
45°F 7°C
Light Rain
Early-Evening
45°F 7°C
Drizzle
Crisp with a high near 45°F 7°C, on-and-off showers throughout the day, with steady humidity and barometric pressure falling. Winds S at 17 mph 28 km/h. Gusts up to 30 mph 49 km/h.
Sunday, November 1, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
57°F 14°C
Overcast
Early-Evening
55°F 13°C
Scattered Showers
Brisk around 57°F 14°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds moving from the S to the SW at 10 mph 15 km/h. Gusts up to 26 mph 41 km/h.
Monday, November 2, 2026
Mid-Morning
44°F 7°C
Sunny
Mid-Afternoon
49°F 9°C
Sunny
Early-Evening
40°F 5°C
Clear
Cool and brisk at 49°F 9°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds tapering down from NNW 15 mph 24 km/h to WNW 6 mph 9 km/h.
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