Mercer, MO 14 Day Weather - 64655 WeatherWorld.com
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Mercer, MO Weather Forecast


Mercer, MO Weather Forecast Dated: 1025 AM Sun Sep 13 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Sunday, September 13, 2026
Mid-Morning
64°F 18°C
Cloudy
Mid-Afternoon
71°F 22°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Pleasant near 71°F 22°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the NNE to the ENE at 10 mph 16 km/h.
Monday, September 14, 2026
Mid-Morning
64°F 18°C
Light Showers
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
83°F 28°C
Sunny
Comfortable with temperatures reaching 78°F 25°C, scattered morning showers before drying out later, with steady humidity and barometric pressure falling. Winds switching from the SE to the S at 18 mph 29 km/h. Gusts up to 36 mph 58 km/h.
Tuesday, September 15, 2026
Mid-Morning
77°F 25°C
Partly Cloudy
Mid-Afternoon
70°F 21°C
Heavy Rain Showers
Early-Evening
62°F 17°C
Light Showers
Enjoyable around 70°F 21°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and barometric pressure rising. Winds moving from the W to the N at 11 mph 18 km/h. Gusts up to 23 mph 36 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Light Showers
Mid-Afternoon
76°F 25°C
Scattered Showers
Early-Evening
70°F 21°C
Scattered Showers
Mild temperatures up to 76°F 25°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the SE to the ENE at 6 mph 10 km/h.
Thursday, September 17, 2026
Mid-Morning
64°F 18°C
Fog
Mid-Afternoon
70°F 21°C
Scattered Showers
Early-Evening
72°F 22°C
Scattered Showers
Mild with a high of 70°F 21°C, scattered downpours possible, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
67°F 20°C
Light Showers
Mid-Afternoon
79°F 26°C
Cloudy
Early-Evening
78°F 26°C
Sunny
Pleasant near 79°F 26°C, morning showers, giving way to clearing skies, with steady humidity and barometric pressure falling. Winds blowing from the SSE at 13 mph 20 km/h. Gusts up to 23 mph 38 km/h.
Saturday, September 19, 2026
Mid-Morning
76°F 24°C
Partly Cloudy
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
79°F 27°C
Sunny
Balmy with temperatures reaching 87°F 31°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSW to the WNW at 9 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
65°F 18°C
Fog
Mid-Afternoon
61°F 16°C
Light Showers
Early-Evening
58°F 14°C
Heavy Rain Showers
Cool with a high near 61°F 16°C, clouds and showers taking over for the afternoon and evening, with steady humidity and steady pressure. Winds picking up from ESE at 4 mph 7 km/h to NE at 16 mph 25 km/h. Gusts up to 29 mph 46 km/h.
Monday, September 21, 2026
Mid-Morning
50°F 10°C
Light Showers
Mid-Afternoon
50°F 10°C
Light Showers
Early-Evening
49°F 9°C
Scattered Showers
Brisk around 50°F 10°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the NNE to the N at 14 mph 22 km/h. Gusts up to 24 mph 38 km/h.
Tuesday, September 22, 2026
Mid-Morning
49°F 10°C
Scattered Showers
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
51°F 11°C
Cloudy
Cool and brisk at 54°F 12°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the N to the SW at 11 mph 18 km/h. Gusts up to 21 mph 35 km/h.
Wednesday, September 23, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
57°F 14°C
Sunny
Comfortable at 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the NNW to the ESE at 8 mph 13 km/h.
Thursday, September 24, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
60°F 16°C
Sunny
Cool with a high near 65°F 18°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
64°F 18°C
Sunny
Enjoyable around 69°F 20°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the SE at 8 mph 13 km/h.
Saturday, September 26, 2026
Mid-Morning
57°F 14°C
Partly Cloudy
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
67°F 20°C
Overcast
Mild temperatures up to 71°F 22°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds switching from the SSE to the SE at 8 mph 13 km/h.
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