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Decatur, IA 14 Day Weather - 50067 WeatherWorld.com
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Decatur, IA Weather Forecast
Decatur, IA Weather Forecast Dated: 521 AM Sun Sep 27 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.
Sunday, September 27, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
67°F 20°C
Overcast
Refreshing around 65°F 18°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the ESE to the ENE at 7 mph 11 km/h.
Monday, September 28, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
67°F 20°C
Partly Cloudy
Comfortable with temperatures reaching 70°F 21°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the ESE to the SE at 9 mph 14 km/h.
Tuesday, September 29, 2026
Mid-Morning
63°F 17°C
Light Showers
Mid-Afternoon
60°F 15°C
Light Showers
Early-Evening
64°F 18°C
Light Showers
Comfortable at 60°F 15°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds moving from the SSE to the SSW at 7 mph 12 km/h.
Wednesday, September 30, 2026
Mid-Morning
65°F 18°C
Light Fog
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
65°F 19°C
Light Fog
Cool with a high near 64°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the SE to the ESE at 6 mph 10 km/h.
Thursday, October 1, 2026
Mid-Morning
62°F 17°C
Light Fog
Mid-Afternoon
69°F 20°C
Light Showers
Early-Evening
66°F 19°C
Light Showers
Mild with a high of 69°F 20°C, clouds and showers taking over for the afternoon and evening, with steady humidity and barometric pressure falling. Winds shifting from the ESE to the NNE at 8 mph 13 km/h.
Friday, October 2, 2026
Mid-Morning
62°F 17°C
Heavy Rain Showers
Mid-Afternoon
63°F 17°C
Cloudy
Early-Evening
61°F 16°C
Scattered Showers
Mildly cool near 63°F 17°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the NNE to the NE at 13 mph 21 km/h. Gusts up to 25 mph 40 km/h.
Saturday, October 3, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
62°F 16°C
Scattered Showers
Comfortable at 63°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds switching from the ENE to the ESE at 7 mph 11 km/h.
Sunday, October 4, 2026
Mid-Morning
64°F 18°C
Fog
Mid-Afternoon
56°F 13°C
Scattered Showers
Early-Evening
51°F 11°C
Light Showers
Crisp with a high near 56°F 13°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds building from WNW at 7 mph 12 km/h to NNW at 21 mph 33 km/h. Gusts up to 36 mph 58 km/h.
Monday, October 5, 2026
Mid-Morning
44°F 7°C
Sunny
Mid-Afternoon
53°F 11°C
Sunny
Early-Evening
51°F 10°C
Sunny
Brisk around 53°F 11°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the N to the ESE at 4 mph 7 km/h.
Tuesday, October 6, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
55°F 13°C
Sunny
Cool and brisk at 57°F 14°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the S at 15 mph 24 km/h. Gusts up to 26 mph 42 km/h.
Wednesday, October 7, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
61°F 16°C
Overcast
Comfortable at 63°F 17°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the SW to the NNW at 10 mph 16 km/h.
Thursday, October 8, 2026
Mid-Morning
47°F 9°C
Scattered Showers
Mid-Afternoon
45°F 7°C
Scattered Showers
Early-Evening
41°F 6°C
Overcast
Crisp with a high near 45°F 7°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the ESE to the NNW at 14 mph 22 km/h. Gusts up to 25 mph 41 km/h.
Friday, October 9, 2026
Mid-Morning
37°F 3°C
Sunny
Mid-Afternoon
47°F 8°C
Sunny
Early-Evening
46°F 8°C
Sunny
Brisk around 47°F 8°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds moving from the NNW to the WSW at 8 mph 13 km/h.
Saturday, October 10, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
57°F 14°C
Overcast
Early-Evening
51°F 11°C
Overcast
Cool and brisk at 57°F 14°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the WSW to the NNW at 10 mph 15 km/h. Gusts up to 22 mph 34 km/h.
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