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Barnum, IA 14 Day Weather - 50518 WeatherWorld.com
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Barnum, IA Weather Forecast
Barnum, IA Weather Forecast Dated: 1104 AM Fri Sep 18 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.
Friday, September 18, 2026
Mid-Morning
59°F 15°C
Light Showers
Mid-Afternoon
67°F 20°C
Light Showers
Early-Evening
70°F 21°C
Light Showers
Refreshing around 67°F 20°C, rounds of showers expected off and on all day, with steady humidity and barometric pressure falling. Winds out of the SE at 11 mph 18 km/h. Gusts up to 25 mph 40 km/h.
Saturday, September 19, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
73°F 23°C
Scattered Showers
Early-Evening
69°F 21°C
Light Showers
Comfortable with temperatures reaching 73°F 23°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SE to the N at 10 mph 17 km/h.
Sunday, September 20, 2026
Mid-Morning
58°F 15°C
Scattered Showers
Mid-Afternoon
60°F 16°C
Scattered Showers
Early-Evening
60°F 16°C
Scattered Showers
Comfortable at 60°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the NNE to the ENE at 11 mph 18 km/h. Gusts up to 23 mph 37 km/h.
Monday, September 21, 2026
Mid-Morning
53°F 11°C
Light Showers
Mid-Afternoon
53°F 11°C
Light Showers
Early-Evening
53°F 12°C
Light Showers
Crisp with a high near 53°F 11°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds swinging from the ENE to the NE at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
50°F 10°C
Scattered Showers
Mid-Afternoon
53°F 12°C
Scattered Showers
Early-Evening
54°F 12°C
Overcast
Brisk around 53°F 12°C, scattered downpours possible, with lower humidity and steady pressure. Winds shifting from the NE to the E at 7 mph 12 km/h.
Wednesday, September 23, 2026
Mid-Morning
53°F 12°C
Light Fog
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
64°F 18°C
Overcast
Mildly cool near 64°F 18°C, overcast throughout the day, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
68°F 20°C
Cloudy
Comfortable at 66°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
65°F 19°C
Scattered Showers
Enjoyable around 68°F 20°C, scattered downpours possible, with steady humidity and barometric pressure falling.
Saturday, September 26, 2026
Mid-Morning
57°F 14°C
Scattered Showers
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
58°F 15°C
Scattered Showers
Refreshing around 60°F 16°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds turning from the SE to the SSE at 15 mph 24 km/h. Gusts up to 28 mph 45 km/h.
Sunday, September 27, 2026
Mid-Morning
60°F 15°C
Overcast
Mid-Afternoon
71°F 21°C
Overcast
Early-Evening
67°F 19°C
Overcast
Mild with a high of 71°F 21°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds switching from the S to the SSE at 16 mph 25 km/h. Gusts up to 33 mph 52 km/h.
Monday, September 28, 2026
Mid-Morning
66°F 19°C
Light Showers
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
77°F 25°C
Overcast
Pleasant near 78°F 26°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds moving from the S to the SSW at 13 mph 21 km/h. Gusts up to 31 mph 49 km/h.
Tuesday, September 29, 2026
Mid-Morning
68°F 20°C
Scattered Showers
Mid-Afternoon
76°F 24°C
Partly Cloudy
Early-Evening
67°F 20°C
Overcast
Comfortable with temperatures reaching 76°F 24°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds increasing from the SW at 2 mph 4 km/h to SW at 11 mph 17 km/h.
Wednesday, September 30, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
62°F 17°C
Partly Cloudy
Early-Evening
54°F 13°C
Partly Cloudy
Refreshing around 62°F 17°C, partly cloudy through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds shifting from the N to the NNW at 15 mph 24 km/h. Gusts up to 23 mph 37 km/h.
Thursday, October 1, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
54°F 12°C
Partly Cloudy
Cool and brisk at 55°F 13°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the NNW to the SW at 8 mph 12 km/h.
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