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Ethan SD Weather - Clear - 74°F
Clear
74°F
Updated 7:42 pm
Feels Like 71°F
Humidity 51%
Wind NW 5 mph
Barometer  30.07 in
Dew Point 55°F
Ethan SD Weather - Clear - 23°C
Clear
23°C
Updated 7:42 pm
Feels Like 21°C
Humidity 51%
Wind NW 8 km/h
Barometer  101.8 kPa
Dew Point 13°C
Ethan, SD Weather and Current Conditionsethan sd weather forecast

Ethan, SD Weather Forecast

Ethan South Dakota WeatherEthan, South Dakota Weather Weather Forecast
14 day API weather forecast for Ethan, South Dakota. Note: The 7-day weather forecast for Ethan, SD is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Ethan, SD Weather Forecast Dated: 742 PM Wed Sep 09 2026
Expect a mild stretch 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.

Wednesday, September 9, 2026

Mid-Morning
Ethan Weather - 2026-09-09 - Morning - Scattered Showers
63°F 17°C
Scattered Showers
Mid-Afternoon
Ethan Weather - 2026-09-09 - Afternoon - Scattered Showers
79°F 26°C
Scattered Showers
Early-Evening
Ethan Weather - 2026-09-09 - Evening - Overcast
77°F 26°C
Overcast
Pleasant near 79°F 26°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the N to the NW at 11 mph 17 km/h.

Thursday, September 10, 2026

Mid-Morning
Ethan Weather - 2026-09-10 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
Ethan Weather - 2026-09-10 - Afternoon - Sunny
87°F 30°C
Sunny
Early-Evening
Ethan Weather - 2026-09-10 - Evening - Sunny
86°F 30°C
Sunny
Balmy with temperatures reaching 87°F 30°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds building from S at 6 mph 10 km/h to SSE at 15 mph 25 km/h. Gusts up to 28 mph 44 km/h.

Friday, September 11, 2026

Mid-Morning
Ethan Weather - 2026-09-11 - Morning - Sunny
76°F 25°C
Sunny
Mid-Afternoon
Ethan Weather - 2026-09-11 - Afternoon - Overcast
97°F 36°C
Overcast
Early-Evening
Ethan Weather - 2026-09-11 - Evening - Overcast
89°F 31°C
Overcast
Sizzling hot with 97°F 36°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the S to the NNW at 14 mph 22 km/h. Gusts up to 25 mph 40 km/h.

Saturday, September 12, 2026

Mid-Morning
Ethan Weather - 2026-09-12 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Ethan Weather - 2026-09-12 - Afternoon - Scattered Showers
66°F 19°C
Scattered Showers
Early-Evening
Ethan Weather - 2026-09-12 - Evening - Scattered Showers
69°F 21°C
Scattered Showers
Cool with a high near 66°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the N to the NNE at 7 mph 11 km/h.

Sunday, September 13, 2026

Mid-Morning
Ethan Weather - 2026-09-13 - Morning - Scattered Showers
60°F 16°C
Scattered Showers
Mid-Afternoon
Ethan Weather - 2026-09-13 - Afternoon - Light Showers
66°F 19°C
Light Showers
Early-Evening
Ethan Weather - 2026-09-13 - Evening - Light Showers
65°F 18°C
Light Showers
Refreshing around 66°F 19°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds shifting from the SE to the ESE at 12 mph 20 km/h. Gusts up to 26 mph 42 km/h.

Monday, September 14, 2026

Mid-Morning
Ethan Weather - 2026-09-14 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Ethan Weather - 2026-09-14 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Ethan Weather - 2026-09-14 - Evening - Sunny
64°F 18°C
Sunny
Pleasant near 69°F 21°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure rising. Winds NW at 19 mph 30 km/h.

Tuesday, September 15, 2026

Mid-Morning
Ethan Weather - 2026-09-15 - Morning - Partly Cloudy
53°F 11°C
Partly Cloudy
Mid-Afternoon
Ethan Weather - 2026-09-15 - Afternoon - Overcast
67°F 20°C
Overcast
Early-Evening
Ethan Weather - 2026-09-15 - Evening - Cloudy
66°F 19°C
Cloudy
Comfortable at 67°F 20°C, cloudy through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the ENE to the SE at 10 mph 15 km/h.

Wednesday, September 16, 2026

Mid-Morning
Ethan Weather - 2026-09-16 - Morning - Cloudy
61°F 16°C
Cloudy
Mid-Afternoon
Ethan Weather - 2026-09-16 - Afternoon - Light Showers
60°F 16°C
Light Showers
Early-Evening
Ethan Weather - 2026-09-16 - Evening - Light Showers
60°F 16°C
Light Showers
Cool with a high near 60°F 16°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and steady pressure. Winds moving from the SE to the E at 11 mph 17 km/h.

Thursday, September 17, 2026

Mid-Morning
Ethan Weather - 2026-09-17 - Morning - Fog
59°F 15°C
Fog
Mid-Afternoon
Ethan Weather - 2026-09-17 - Afternoon - Scattered Showers
65°F 19°C
Scattered Showers
Early-Evening
Ethan Weather - 2026-09-17 - Evening - Scattered Showers
65°F 19°C
Scattered Showers
Refreshing around 65°F 19°C, locally heavy downpours at times, with steady humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Ethan Weather - 2026-09-18 - Morning - Fog
68°F 20°C
Fog
Mid-Afternoon
Ethan Weather - 2026-09-18 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Ethan Weather - 2026-09-18 - Evening - Sunny
81°F 27°C
Sunny
Very warm with a high of 82°F 28°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSE to the S at 12 mph 20 km/h. Gusts up to 20 mph 33 km/h.

Saturday, September 19, 2026

Mid-Morning
Ethan Weather - 2026-09-19 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
Ethan Weather - 2026-09-19 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Ethan Weather - 2026-09-19 - Evening - Sunny
80°F 27°C
Sunny
Warm and summery near 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds easing from ESE 14 mph 22 km/h to E 6 mph 10 km/h.

Sunday, September 20, 2026

Mid-Morning
Ethan Weather - 2026-09-20 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Ethan Weather - 2026-09-20 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Ethan Weather - 2026-09-20 - Evening - Overcast
68°F 20°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the SE to the E at 11 mph 17 km/h.

Monday, September 21, 2026

Mid-Morning
Ethan Weather - 2026-09-21 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Ethan Weather - 2026-09-21 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Ethan Weather - 2026-09-21 - Evening - Cloudy
68°F 20°C
Cloudy
Enjoyable around 73°F 23°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the WNW to the NNW at 9 mph 14 km/h.

Tuesday, September 22, 2026

Mid-Morning
Ethan Weather - 2026-09-22 - Morning - Partly Cloudy
59°F 15°C
Partly Cloudy
Mid-Afternoon
Ethan Weather - 2026-09-22 - Afternoon - Partly Cloudy
70°F 21°C
Partly Cloudy
Early-Evening
Ethan Weather - 2026-09-22 - Evening - Sunny
72°F 22°C
Sunny
Mild temperatures up to 70°F 21°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the WNW to the NW at 7 mph 10 km/h.

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Weather by the Numbers

Wed, 9th
Ethan SD Weather - Wednesday, Sep 9, 2026 - Patchy Rain Nearby
Hi: 83°F 28°C
Lo: 60°F 16°C
Sunrise 07:05 AM
Sunset 07:53 PM
Wind NW 11 mph18 km/h
Dew Point 58°F15°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 23% *
Humidity 63%
Thu, 10th
Ethan SD Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 88°F 31°C
Lo: 65°F 18°C
Sunrise 07:06 AM
Sunset 07:51 PM
Wind S 15 mph23 km/h
Dew Point 39°F4°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 23%
Fri, 11th
Ethan SD Weather - Friday, Sep 11, 2026 - Thundery Outbreaks In Nearby
Hi: 97°F 36°C
Lo: 73°F 23°C
Sunrise 07:07 AM
Sunset 07:49 PM
Wind SSW 26 mph42 km/h
Dew Point 57°F14°C
uv Index 5
Barometric Pressure 29.56 in1001 mb
POP 10% *
Humidity 35%
Sat, 12th
Ethan SD Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 74°F 23°C
Lo: 56°F 13°C
Sunrise 07:08 AM
Sunset 07:48 PM
Wind N 12 mph19 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 9% *
Humidity 31%
Sun, 13th
Ethan SD Weather - Sunday, Sep 13, 2026 - Light Rain Shower
Hi: 68°F 20°C
Lo: 60°F 16°C
Sunrise 07:09 AM
Sunset 07:46 PM
Wind SE 15 mph24 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 19% *
Humidity 38%
Mon, 14th
Ethan SD Weather - Monday, Sep 14, 2026 - Sunny
Hi: 70°F 21°C
Lo: 58°F 15°C
Sunrise 07:11 AM
Sunset 07:44 PM
Wind NW 19 mph31 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 2% *
Humidity 50%
Tue, 15th
Ethan SD Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 69°F 21°C
Lo: 51°F 10°C
Sunrise 07:12 AM
Sunset 07:42 PM
Wind ESE 7 mph11 km/h
Dew Point 41°F5°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 12% *
Humidity 50%
Wed, 16th
Ethan SD Weather - Wednesday, Sep 16, 2026 - Patchy Rain Nearby
Hi: 62°F 16°C
Lo: 58°F 14°C
Sunrise 07:13 AM
Sunset 07:40 PM
Wind SE 13 mph21 km/h
Dew Point 52°F11°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 34% *
Humidity 74%
Thu, 17th
Ethan SD Weather - Thursday, Sep 17, 2026 - Mist
Hi: 67°F 19°C
Lo: 58°F 14°C
Sunrise 07:14 AM
Sunset 07:38 PM
Wind ENE 6 mph9 km/h
Dew Point 60°F15°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 32% *
Humidity 93%
Fri, 18th
Ethan SD Weather - Friday, Sep 18, 2026 - Partly Cloudy
Hi: 84°F 29°C
Lo: 64°F 18°C
Sunrise 07:15 AM
Sunset 07:37 PM
Wind S 13 mph22 km/h
Dew Point 63°F17°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 6% *
Humidity 67%
Sat, 19th
Ethan SD Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 83°F 28°C
Lo: 65°F 18°C
Sunrise 07:16 AM
Sunset 07:35 PM
Wind WSW 12 mph20 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 48%
Sun, 20th
Ethan SD Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 75°F 24°C
Lo: 63°F 17°C
Sunrise 07:17 AM
Sunset 07:33 PM
Wind ESE 8 mph12 km/h
Dew Point 58°F15°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 18% *
Humidity 70%
Mon, 21st
Ethan SD Weather - Monday, Sep 21, 2026 - Sunny
Hi: 73°F 23°C
Lo: 59°F 15°C
Sunrise 07:18 AM
Sunset 07:31 PM
Wind WNW 14 mph22 km/h
Dew Point 51°F10°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 3% *
Humidity 56%
Tue, 22nd
Ethan SD Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 74°F 24°C
Lo: 55°F 13°C
Sunrise 07:20 AM
Sunset 07:29 PM
Wind NNW 11 mph17 km/h
Dew Point 51°F11°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 8% *
Humidity 64%
* POP = Probability of Precipitation. Data for 12:00 PM.