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Sumner MO Weather - Sunny - 93°F
Sunny
93°F
Updated 1:09 pm
Feels Like 104°F
Humidity 47%
Wind S 9 mph
Barometer  30.03 in
Dew Point 70°F
Sumner MO Weather - Sunny - 34°C
Sunny
34°C
Updated 1:09 pm
Feels Like 40°C
Humidity 47%
Wind S 14 km/h
Barometer  101.7 kPa
Dew Point 21°C
Sumner, MO Weather and Current Conditionssumner mo weather forecast

Sumner, MO Weather Forecast

Sumner Missouri WeatherSumner, Missouri Weather Weather Forecast
14 day API Sumner, MO weather forecast. Note. Our 7-day weather forecast for Sumner, Missouri is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Sumner, MO Weather Forecast Dated: 109 PM Tue Sep 08 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.

Tuesday, September 8, 2026

Mid-Morning
Sumner Weather - 2026-09-08 - Morning - Overcast
79°F 26°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-08 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Sumner Weather - 2026-09-08 - Evening - Cloudy
95°F 35°C
Cloudy
Sizzling hot near 99°F 37°C with a heat index reaching 107°F 42°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the SSE at 12 mph 19 km/h. Gusts up to 21 mph 34 km/h.

Wednesday, September 9, 2026

Mid-Morning
Sumner Weather - 2026-09-09 - Morning - Rain Showers
83°F 28°C
Rain Showers
Mid-Afternoon
Sumner Weather - 2026-09-09 - Afternoon - Overcast
84°F 29°C
Overcast
Early-Evening
Sumner Weather - 2026-09-09 - Evening - Cloudy
84°F 29°C
Cloudy
Quite warm reaching 84°F 29°C, feeling like 87°F 31°C during peak afternoon, scattered morning showers before drying out later, with steady humidity and steady pressure.

Thursday, September 10, 2026

Mid-Morning
Sumner Weather - 2026-09-10 - Morning - Overcast
74°F 23°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-10 - Afternoon - Cloudy
91°F 33°C
Cloudy
Early-Evening
Sumner Weather - 2026-09-10 - Evening - Sunny
85°F 30°C
Sunny
Sizzling hot with 91°F 33°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds switching from the ENE to the SSE at 9 mph 14 km/h.

Friday, September 11, 2026

Mid-Morning
Sumner Weather - 2026-09-11 - Morning - Sunny
76°F 24°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-11 - Afternoon - Sunny
96°F 36°C
Sunny
Early-Evening
Sumner Weather - 2026-09-11 - Evening - Sunny
87°F 30°C
Sunny
Hot temperatures near 96°F 36°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the SSW to the SSE at 11 mph 18 km/h.

Saturday, September 12, 2026

Mid-Morning
Sumner Weather - 2026-09-12 - Morning - Overcast
74°F 23°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-12 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Sumner Weather - 2026-09-12 - Evening - Overcast
81°F 27°C
Overcast
Quite warm reaching 86°F 30°C, feeling like 89°F 32°C during peak afternoon, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the NNW to the S at 7 mph 10 km/h.

Sunday, September 13, 2026

Mid-Morning
Sumner Weather - 2026-09-13 - Morning - Light Showers
69°F 21°C
Light Showers
Mid-Afternoon
Sumner Weather - 2026-09-13 - Afternoon - Light Showers
73°F 23°C
Light Showers
Early-Evening
Sumner Weather - 2026-09-13 - Evening - Light Showers
72°F 22°C
Light Showers
Pleasant near 73°F 23°C, on-and-off showers throughout the day, with steady humidity and barometric pressure falling. Winds shifting from the SSW to the SE at 8 mph 13 km/h.

Monday, September 14, 2026

Mid-Morning
Sumner Weather - 2026-09-14 - Morning - Light Showers
76°F 24°C
Light Showers
Mid-Afternoon
Sumner Weather - 2026-09-14 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
Sumner Weather - 2026-09-14 - Evening - Nearby Thunderstorms
84°F 29°C
Nearby Thunderstorms
Sizzling hot near 91°F 33°C with a heat index reaching 97°F 36°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the SSW to the SW at 12 mph 18 km/h.

Tuesday, September 15, 2026

Mid-Morning
Sumner Weather - 2026-09-15 - Morning - Light Fog
64°F 18°C
Light Fog
Mid-Afternoon
Sumner Weather - 2026-09-15 - Afternoon - Scattered Showers
77°F 25°C
Scattered Showers
Early-Evening
Sumner Weather - 2026-09-15 - Evening - Overcast
74°F 23°C
Overcast
Enjoyable around 77°F 25°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the N to the NE at 7 mph 11 km/h.

Wednesday, September 16, 2026

Mid-Morning
Sumner Weather - 2026-09-16 - Morning - Scattered Showers
65°F 19°C
Scattered Showers
Mid-Afternoon
Sumner Weather - 2026-09-16 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Sumner Weather - 2026-09-16 - Evening - Sunny
82°F 28°C
Sunny
Very warm near 82°F 28°C, though humidity makes it feel like 85°F 29°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds moving from the ESE to the SE at 8 mph 12 km/h.

Thursday, September 17, 2026

Mid-Morning
Sumner Weather - 2026-09-17 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-17 - Afternoon - Scattered Showers
68°F 20°C
Scattered Showers
Early-Evening
Sumner Weather - 2026-09-17 - Evening - Overcast
72°F 22°C
Overcast
Mild with a high of 68°F 20°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the SSE to the SE at 8 mph 13 km/h.

Friday, September 18, 2026

Mid-Morning
Sumner Weather - 2026-09-18 - Morning - Scattered Showers
70°F 21°C
Scattered Showers
Mid-Afternoon
Sumner Weather - 2026-09-18 - Afternoon - Sunny
92°F 33°C
Sunny
Early-Evening
Sumner Weather - 2026-09-18 - Evening - Cloudy
82°F 28°C
Cloudy
Very hot with temperatures reaching 92°F 33°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds picking up from WSW at 3 mph 5 km/h to ENE at 14 mph 22 km/h. Gusts up to 27 mph 43 km/h.

Saturday, September 19, 2026

Mid-Morning
Sumner Weather - 2026-09-19 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-19 - Afternoon - Overcast
58°F 15°C
Overcast
Early-Evening
Sumner Weather - 2026-09-19 - Evening - Overcast
54°F 12°C
Overcast
Cool with a high near 58°F 15°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the NNE to the NE at 11 mph 17 km/h.

Sunday, September 20, 2026

Mid-Morning
Sumner Weather - 2026-09-20 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-20 - Afternoon - Partly Cloudy
70°F 21°C
Partly Cloudy
Early-Evening
Sumner Weather - 2026-09-20 - Evening - Sunny
65°F 19°C
Sunny
Enjoyable around 70°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the E to the SE at 5 mph 9 km/h.

Monday, September 21, 2026

Mid-Morning
Sumner Weather - 2026-09-21 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-21 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Sumner Weather - 2026-09-21 - Evening - Sunny
72°F 22°C
Sunny
Mild temperatures up to 77°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the S at 6 mph 10 km/h.

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Weather by the Numbers

Tue, 8th
Sumner MO Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 101°F 39°C
Lo: 71°F 22°C
Sunrise 06:47 AM
Sunset 07:33 PM
Wind SSW 11 mph18 km/h
Dew Point 71°F22°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 48%
Wed, 9th
Sumner MO Weather - Wednesday, Sep 9, 2026 - Light Rain Shower
Hi: 88°F 31°C
Lo: 73°F 23°C
Sunrise 06:48 AM
Sunset 07:31 PM
Wind WSW 9 mph15 km/h
Dew Point 65°F18°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 57% *
Humidity 53%
Thu, 10th
Sumner MO Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 93°F 34°C
Lo: 71°F 22°C
Sunrise 06:49 AM
Sunset 07:29 PM
Wind E 6 mph10 km/h
Dew Point 63°F17°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 12% *
Humidity 51%
Fri, 11th
Sumner MO Weather - Friday, Sep 11, 2026 - Sunny
Hi: 96°F 36°C
Lo: 70°F 21°C
Sunrise 06:50 AM
Sunset 07:28 PM
Wind SSW 12 mph20 km/h
Dew Point 61°F16°C
uv Index 6
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 39%
Sat, 12th
Sumner MO Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 88°F 31°C
Lo: 70°F 21°C
Sunrise 06:51 AM
Sunset 07:26 PM
Wind SW 10 mph16 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 18% *
Humidity 71%
Sun, 13th
Sumner MO Weather - Sunday, Sep 13, 2026 - Light Rain Shower
Hi: 75°F 24°C
Lo: 68°F 20°C
Sunrise 06:52 AM
Sunset 07:24 PM
Wind S 8 mph13 km/h
Dew Point 67°F20°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 78% *
Humidity 97%
Mon, 14th
Sumner MO Weather - Monday, Sep 14, 2026 - Sunny
Hi: 92°F 33°C
Lo: 70°F 21°C
Sunrise 06:53 AM
Sunset 07:23 PM
Wind SSW 15 mph24 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 29.83 in1010 mb
POP 3% *
Humidity 57%
Tue, 15th
Sumner MO Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 78°F 26°C
Lo: 62°F 16°C
Sunrise 06:54 AM
Sunset 07:21 PM
Wind SE 8 mph13 km/h
Dew Point 56°F13°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 13% *
Humidity 59%
Wed, 16th
Sumner MO Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 83°F 29°C
Lo: 63°F 17°C
Sunrise 06:55 AM
Sunset 07:19 PM
Wind SE 10 mph16 km/h
Dew Point 60°F16°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 5% *
Humidity 61%
Thu, 17th
Sumner MO Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 77°F 25°C
Lo: 64°F 18°C
Sunrise 06:56 AM
Sunset 07:18 PM
Wind S 11 mph18 km/h
Dew Point 39°F4°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 9% *
Humidity 39%
Fri, 18th
Sumner MO Weather - Friday, Sep 18, 2026 - Overcast
Hi: 93°F 34°C
Lo: 63°F 17°C
Sunrise 06:57 AM
Sunset 07:16 PM
Wind SW 11 mph18 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 2% *
Humidity 30%
Sat, 19th
Sumner MO Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 61°F 16°C
Lo: 49°F 9°C
Sunrise 06:57 AM
Sunset 07:14 PM
Wind NNE 16 mph26 km/h
Dew Point 36°F2°C
uv Index 3
Barometric Pressure 30.33 in1027 mb
POP 10% *
Humidity 44%
Sun, 20th
Sumner MO Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 71°F 22°C
Lo: 46°F 8°C
Sunrise 06:58 AM
Sunset 07:13 PM
Wind ESE 8 mph12 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 2% *
Humidity 39%
Mon, 21st
Sumner MO Weather - Monday, Sep 21, 2026 - Sunny
Hi: 78°F 26°C
Lo: 53°F 12°C
Sunrise 06:59 AM
Sunset 07:11 PM
Wind S 6 mph10 km/h
Dew Point 43°F6°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 36%
* POP = Probability of Precipitation. Data for 12:00 PM.