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Decatur IA Weather - Clear - 56°F
Clear
56°F
Updated 4:06 am
Feels Like 51°F
Humidity 74%
Wind S 6 mph
Barometer  30.19 in
Dew Point 48°F
Decatur IA Weather - Clear - 13°C
Clear
13°C
Updated 4:06 am
Feels Like 11°C
Humidity 74%
Wind S 10 km/h
Barometer  102.2 kPa
Dew Point 9°C
Decatur, IA Weather and Current Conditionsdecatur ia weather forecast

Decatur, IA Weather Forecast

Decatur Iowa WeatherDecatur, Iowa Weather Weather Forecast
14 Day API Decatur, IA Weather Forecast. Note: Our 7 day Decatur, Iowa weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Decatur, IA Weather Forecast Dated: 406 AM Fri Oct 23 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.

Friday, October 23, 2026

Mid-Morning
Decatur Weather - 2026-10-23 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Decatur Weather - 2026-10-23 - Afternoon - Cloudy
72°F 22°C
Cloudy
Early-Evening
Decatur Weather - 2026-10-23 - Evening - Sunny
63°F 18°C
Sunny
Pleasant near 72°F 22°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds out of the SSE at 13 mph 22 km/h. Gusts up to 23 mph 36 km/h.

Saturday, October 24, 2026

Mid-Morning
Decatur Weather - 2026-10-24 - Morning - Cloudy
58°F 14°C
Cloudy
Mid-Afternoon
Decatur Weather - 2026-10-24 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Decatur Weather - 2026-10-24 - Evening - Overcast
64°F 18°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the S at 13 mph 20 km/h.

Sunday, October 25, 2026

Mid-Morning
Decatur Weather - 2026-10-25 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Decatur Weather - 2026-10-25 - Afternoon - Partly Cloudy
74°F 24°C
Partly Cloudy
Early-Evening
Decatur Weather - 2026-10-25 - Evening - Sunny
65°F 19°C
Sunny
Enjoyable around 74°F 24°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.

Monday, October 26, 2026

Mid-Morning
Decatur Weather - 2026-10-26 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Decatur Weather - 2026-10-26 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Decatur Weather - 2026-10-26 - Evening - Overcast
66°F 19°C
Overcast
Mild temperatures up to 72°F 22°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the SE to the SSE at 7 mph 11 km/h.

Tuesday, October 27, 2026

Mid-Morning
Decatur Weather - 2026-10-27 - Morning - Scattered Showers
59°F 15°C
Scattered Showers
Mid-Afternoon
Decatur Weather - 2026-10-27 - Afternoon - Overcast
59°F 15°C
Overcast
Early-Evening
Decatur Weather - 2026-10-27 - Evening - Overcast
59°F 15°C
Overcast
Refreshing around 59°F 15°C, scattered downpours possible, with lower humidity and steady pressure. Winds out of the W at 10 mph 15 km/h.

Wednesday, October 28, 2026

Mid-Morning
Decatur Weather - 2026-10-28 - Morning - Partly Cloudy
58°F 14°C
Partly Cloudy
Mid-Afternoon
Decatur Weather - 2026-10-28 - Afternoon - Partly Cloudy
67°F 20°C
Partly Cloudy
Early-Evening
Decatur Weather - 2026-10-28 - Evening - Scattered Showers
66°F 19°C
Scattered Showers
Mildly cool near 67°F 20°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds shifting from the SSE to the SSW at 15 mph 24 km/h. Gusts up to 33 mph 52 km/h.

Thursday, October 29, 2026

Mid-Morning
Decatur Weather - 2026-10-29 - Morning - Scattered Showers
55°F 13°C
Scattered Showers
Mid-Afternoon
Decatur Weather - 2026-10-29 - Afternoon - Scattered Showers
56°F 14°C
Scattered Showers
Early-Evening
Decatur Weather - 2026-10-29 - Evening - Scattered Showers
51°F 10°C
Scattered Showers
Chilly near 56°F 14°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Friday, October 30, 2026

Mid-Morning
Decatur Weather - 2026-10-30 - Morning - Scattered Showers
46°F 8°C
Scattered Showers
Mid-Afternoon
Decatur Weather - 2026-10-30 - Afternoon - Light Rain
50°F 10°C
Light Rain
Early-Evening
Decatur Weather - 2026-10-30 - Evening - Drizzle
48°F 9°C
Drizzle
Crisp with a high near 50°F 10°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds NE at 8 mph 13 km/h.

Saturday, October 31, 2026

Mid-Morning
Decatur Weather - 2026-10-31 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Decatur Weather - 2026-10-31 - Afternoon - Overcast
53°F 12°C
Overcast
Early-Evening
Decatur Weather - 2026-10-31 - Evening - Overcast
52°F 11°C
Overcast
Brisk around 53°F 12°C, overcast throughout the day, with steady humidity and steady pressure.

Sunday, November 1, 2026

Mid-Morning
Decatur Weather - 2026-11-01 - Morning - Scattered Showers
49°F 10°C
Scattered Showers
Mid-Afternoon
Decatur Weather - 2026-11-01 - Afternoon - Cloudy
50°F 10°C
Cloudy
Early-Evening
Decatur Weather - 2026-11-01 - Evening - Scattered Showers
47°F 9°C
Scattered Showers
Cool and brisk at 50°F 10°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Monday, November 2, 2026

Mid-Morning
Decatur Weather - 2026-11-02 - Morning - Partly Cloudy
48°F 9°C
Partly Cloudy
Mid-Afternoon
Decatur Weather - 2026-11-02 - Afternoon - Scattered Showers
54°F 12°C
Scattered Showers
Early-Evening
Decatur Weather - 2026-11-02 - Evening - Scattered Showers
49°F 10°C
Scattered Showers
Chilly near 54°F 12°C, scattered downpours possible, with steady humidity and steady pressure.

Tuesday, November 3, 2026

Mid-Morning
Decatur Weather - 2026-11-03 - Morning - Partly Cloudy
51°F 10°C
Partly Cloudy
Mid-Afternoon
Decatur Weather - 2026-11-03 - Afternoon - Partly Cloudy
56°F 13°C
Partly Cloudy
Early-Evening
Decatur Weather - 2026-11-03 - Evening - Partly Cloudy
51°F 10°C
Partly Cloudy
Crisp with a high near 56°F 13°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure.

Wednesday, November 4, 2026

Mid-Morning
Decatur Weather - 2026-11-04 - Morning - Partly Cloudy
51°F 10°C
Partly Cloudy
Mid-Afternoon
Decatur Weather - 2026-11-04 - Afternoon - Partly Cloudy
56°F 14°C
Partly Cloudy
Early-Evening
Decatur Weather - 2026-11-04 - Evening - Partly Cloudy
50°F 10°C
Partly Cloudy
Brisk around 56°F 14°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.

Thursday, November 5, 2026

Mid-Morning
Decatur Weather - 2026-11-05 - Morning - Partly Cloudy
52°F 11°C
Partly Cloudy
Mid-Afternoon
Decatur Weather - 2026-11-05 - Afternoon - Partly Cloudy
59°F 15°C
Partly Cloudy
Early-Evening
Decatur Weather - 2026-11-05 - Evening - Partly Cloudy
51°F 10°C
Partly Cloudy
Mildly cool near 59°F 15°C, cloudy throughout the day, with steady humidity and barometric pressure falling. Winds out of the SSW at 11 mph 18 km/h. Gusts up to 26 mph 42 km/h.

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Weather by the Numbers

Fri, 23rd
Decatur IA Weather - Friday, Oct 23, 2026 - Sunny
Hi: 73°F 23°C
Lo: 53°F 12°C
Sunrise 07:35 AM
Sunset 06:23 PM
Wind S 13 mph20 km/h
Dew Point 47°F8°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 2% *
Humidity 47%
Sat, 24th
Decatur IA Weather - Saturday, Oct 24, 2026 - Overcast
Hi: 74°F 23°C
Lo: 55°F 13°C
Sunrise 07:37 AM
Sunset 06:21 PM
Wind S 13 mph21 km/h
Dew Point 47°F8°C
uv Index 3
Barometric Pressure 30.21 in1023 mb
POP 11% *
Humidity 45%
Sun, 25th
Decatur IA Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 75°F 24°C
Lo: 56°F 14°C
Sunrise 07:38 AM
Sunset 06:20 PM
Wind SSW 8 mph12 km/h
Dew Point 50°F10°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 11% *
Humidity 50%
Mon, 26th
Decatur IA Weather - Monday, Oct 26, 2026 - Overcast
Hi: 72°F 22°C
Lo: 57°F 14°C
Sunrise 07:39 AM
Sunset 06:18 PM
Wind SSE 6 mph10 km/h
Dew Point 49°F9°C
uv Index 3
Barometric Pressure 30.24 in1024 mb
POP 12% *
Humidity 53%
Tue, 27th
Decatur IA Weather - Tuesday, Oct 27, 2026 - Partly Cloudy
Hi: 67°F 19°C
Lo: 57°F 14°C
Sunrise 07:40 AM
Sunset 06:17 PM
Wind SW 12 mph19 km/h
Dew Point 55°F13°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 11% *
Humidity 68%
Wed, 28th
Decatur IA Weather - Wednesday, Oct 28, 2026 - Partly Cloudy
Hi: 68°F 20°C
Lo: 54°F 12°C
Sunrise 07:41 AM
Sunset 06:16 PM
Wind SSE 14 mph22 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 7% *
Humidity 61%
Thu, 29th
Decatur IA Weather - Thursday, Oct 29, 2026 - Patchy Light Drizzle
Hi: 63°F 17°C
Lo: 47°F 8°C
Sunrise 07:42 AM
Sunset 06:15 PM
Wind WNW 6 mph10 km/h
Dew Point 45°F7°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 19% *
Humidity 63%
Fri, 30th
Decatur IA Weather - Friday, Oct 30, 2026 - Patchy Light Rain
Hi: 50°F 10°C
Lo: 43°F 6°C
Sunrise 07:43 AM
Sunset 06:13 PM
Wind NE 8 mph13 km/h
Dew Point 40°F4°C
uv Index 2
Barometric Pressure 30.18 in1022 mb
POP 57% *
Humidity 70%
Sat, 31st
Decatur IA Weather - Saturday, Oct 31, 2026 - Overcast
Hi: 53°F 12°C
Lo: 44°F 7°C
Sunrise 07:45 AM
Sunset 06:12 PM
Wind SSE 0 mph1 km/h
Dew Point 42°F6°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 19% *
Humidity 71%
Sun, 1st
Decatur IA Weather - Sunday, Nov 1, 2026 - Partly Cloudy
Hi: 51°F 11°C
Lo: 45°F 7°C
Sunrise 07:46 AM
Sunset 06:11 PM
Wind N 7 mph11 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 10% *
Humidity 71%
Mon, 2nd
Decatur IA Weather - Monday, Nov 2, 2026 - Partly Cloudy
Hi: 55°F 13°C
Lo: 42°F 5°C
Sunrise 06:47 AM
Sunset 05:10 PM
Wind SW 1 mph2 km/h
Dew Point 42°F5°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 9% *
Humidity 61%
Tue, 3rd
Decatur IA Weather - Tuesday, Nov 3, 2026 - Partly Cloudy
Hi: 56°F 13°C
Lo: 45°F 7°C
Sunrise 06:48 AM
Sunset 05:09 PM
Wind NW 2 mph4 km/h
Dew Point 46°F8°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 11% *
Humidity 69%
Wed, 4th
Decatur IA Weather - Wednesday, Nov 4, 2026 - Partly Cloudy
Hi: 57°F 14°C
Lo: 45°F 7°C
Sunrise 06:49 AM
Sunset 05:08 PM
Wind NNW 3 mph5 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 6% *
Humidity 60%
Thu, 5th
Decatur IA Weather - Thursday, Nov 5, 2026 - Partly Cloudy
Hi: 59°F 15°C
Lo: 46°F 8°C
Sunrise 06:50 AM
Sunset 05:07 PM
Wind SSW 12 mph19 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 6% *
Humidity 56%
* POP = Probability of Precipitation. Data for 12:00 PM.