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Westport SD Weather - Mostly Cloudy - 63°F
Mostly Cloudy
63°F
Updated 5:08 am
Feels Like 56°F
Humidity 96%
Wind S 14 mph
Barometer  29.7 in
Dew Point 62°F
Westport SD Weather - Mostly Cloudy - 17°C
Mostly Cloudy
17°C
Updated 5:08 am
Feels Like 13°C
Humidity 96%
Wind S 23 km/h
Barometer  100.5 kPa
Dew Point 17°C
Westport, SD Weather and Current Conditionswestport sd weather forecast

Westport, SD Weather Forecast

Westport South Dakota WeatherWestport, South Dakota Weather Weather Forecast
14 Day API Westport, SD Weather Forecast. Note: Our 7 day Westport, South Dakota 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.
Westport, SD Weather Forecast Dated: 508 AM Tue Sep 29 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Tuesday, September 29, 2026

Mid-Morning
Westport Weather - 2026-09-29 - Morning - Light Showers
61°F 16°C
Light Showers
Mid-Afternoon
Westport Weather - 2026-09-29 - Afternoon - Scattered Showers
67°F 19°C
Scattered Showers
Early-Evening
Westport Weather - 2026-09-29 - Evening - Sunny
69°F 21°C
Sunny
Refreshing around 67°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the SSW to the S at 8 mph 12 km/h.

Wednesday, September 30, 2026

Mid-Morning
Westport Weather - 2026-09-30 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Westport Weather - 2026-09-30 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Westport Weather - 2026-09-30 - Evening - Overcast
70°F 21°C
Overcast
Comfortable with temperatures reaching 76°F 24°C, overcast throughout the day, with lower humidity and steady pressure. Winds building from WSW at 4 mph 6 km/h to NW at 12 mph 18 km/h. Gusts up to 25 mph 40 km/h.

Thursday, October 1, 2026

Mid-Morning
Westport Weather - 2026-10-01 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Westport Weather - 2026-10-01 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Westport Weather - 2026-10-01 - Evening - Sunny
60°F 15°C
Sunny
Comfortable at 62°F 17°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the NW to the ESE at 4 mph 6 km/h.

Friday, October 2, 2026

Mid-Morning
Westport Weather - 2026-10-02 - Morning - Cloudy
51°F 10°C
Cloudy
Mid-Afternoon
Westport Weather - 2026-10-02 - Afternoon - Cloudy
64°F 18°C
Cloudy
Early-Evening
Westport Weather - 2026-10-02 - Evening - Sunny
61°F 16°C
Sunny
Cool with a high near 64°F 18°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds out of the S at 19 mph 31 km/h. Gusts up to 27 mph 43 km/h.

Saturday, October 3, 2026

Mid-Morning
Westport Weather - 2026-10-03 - Morning - Scattered Showers
55°F 13°C
Scattered Showers
Mid-Afternoon
Westport Weather - 2026-10-03 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Westport Weather - 2026-10-03 - Evening - Sunny
63°F 17°C
Sunny
Mild with a high of 70°F 21°C, scattered downpours possible, with lower humidity and steady pressure. Winds shifting from the SSW to the NW at 15 mph 24 km/h. Gusts up to 25 mph 40 km/h.

Sunday, October 4, 2026

Mid-Morning
Westport Weather - 2026-10-04 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Westport Weather - 2026-10-04 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Westport Weather - 2026-10-04 - Evening - Partly Cloudy
59°F 15°C
Partly Cloudy
Mildly cool near 61°F 16°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds turning from the NW to the SE at 8 mph 13 km/h.

Monday, October 5, 2026

Mid-Morning
Westport Weather - 2026-10-05 - Morning - Cloudy
44°F 7°C
Cloudy
Mid-Afternoon
Westport Weather - 2026-10-05 - Afternoon - Overcast
49°F 9°C
Overcast
Early-Evening
Westport Weather - 2026-10-05 - Evening - Scattered Showers
45°F 8°C
Scattered Showers
Chilly near 49°F 9°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds switching from the ENE to the ESE at 11 mph 17 km/h.

Tuesday, October 6, 2026

Mid-Morning
Westport Weather - 2026-10-06 - Morning - Overcast
47°F 9°C
Overcast
Mid-Afternoon
Westport Weather - 2026-10-06 - Afternoon - Overcast
54°F 12°C
Overcast
Early-Evening
Westport Weather - 2026-10-06 - Evening - Light Showers
51°F 11°C
Light Showers
Crisp with a high near 54°F 12°C, mainly dry until evening showers arrive, with steady humidity and barometric pressure falling. Winds moving from the SE to the ESE at 11 mph 17 km/h. Gusts up to 20 mph 32 km/h.

Wednesday, October 7, 2026

Mid-Morning
Westport Weather - 2026-10-07 - Morning - Scattered Showers
51°F 11°C
Scattered Showers
Mid-Afternoon
Westport Weather - 2026-10-07 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Westport Weather - 2026-10-07 - Evening - Sunny
65°F 18°C
Sunny
Refreshing around 66°F 19°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the NNW to the NW at 11 mph 17 km/h. Gusts up to 20 mph 32 km/h.

Thursday, October 8, 2026

Mid-Morning
Westport Weather - 2026-10-08 - Morning - Sunny
46°F 8°C
Sunny
Mid-Afternoon
Westport Weather - 2026-10-08 - Afternoon - Sunny
53°F 12°C
Sunny
Early-Evening
Westport Weather - 2026-10-08 - Evening - Sunny
53°F 12°C
Sunny
Cool and brisk at 53°F 12°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds easing from NW 17 mph 27 km/h to NNW 7 mph 12 km/h.

Friday, October 9, 2026

Mid-Morning
Westport Weather - 2026-10-09 - Morning - Overcast
45°F 7°C
Overcast
Mid-Afternoon
Westport Weather - 2026-10-09 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Westport Weather - 2026-10-09 - Evening - Overcast
58°F 14°C
Overcast
Comfortable at 62°F 17°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the SSW to the ESE at 12 mph 19 km/h.

Saturday, October 10, 2026

Mid-Morning
Westport Weather - 2026-10-10 - Morning - Overcast
37°F 3°C
Overcast
Mid-Afternoon
Westport Weather - 2026-10-10 - Afternoon - Overcast
44°F 7°C
Overcast
Early-Evening
Westport Weather - 2026-10-10 - Evening - Partly Cloudy
46°F 8°C
Partly Cloudy
Cold with a high near 44°F 7°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds NW at 11 mph 18 km/h.

Sunday, October 11, 2026

Mid-Morning
Westport Weather - 2026-10-11 - Morning - Sunny
32°F 0°C
Sunny
Mid-Afternoon
Westport Weather - 2026-10-11 - Afternoon - Sunny
39°F 4°C
Sunny
Early-Evening
Westport Weather - 2026-10-11 - Evening - Sunny
38°F 3°C
Sunny
Nippy around 39°F 4°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NW at 14 mph 23 km/h.

Monday, October 12, 2026

Mid-Morning
Westport Weather - 2026-10-12 - Morning - Sunny
30°F -1°C
Sunny
Mid-Afternoon
Westport Weather - 2026-10-12 - Afternoon - Sunny
42°F 6°C
Sunny
Early-Evening
Westport Weather - 2026-10-12 - Evening - Cloudy
44°F 7°C
Cloudy
Biting cold near 42°F 6°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling.

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Weather by the Numbers

Tue, 29th
Westport SD Weather - Tuesday, Sep 29, 2026 - Patchy Rain Nearby
Hi: 73°F 23°C
Lo: 61°F 16°C
Sunrise 07:31 AM
Sunset 07:18 PM
Wind SW 10 mph16 km/h
Dew Point 60°F15°C
uv Index 2
Barometric Pressure 29.65 in1004 mb
POP 34% *
Humidity 89%
Wed, 30th
Westport SD Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 76°F 24°C
Lo: 59°F 15°C
Sunrise 07:32 AM
Sunset 07:16 PM
Wind NW 5 mph9 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 29.68 in1005 mb
POP 10% *
Humidity 39%
Thu, 1st
Westport SD Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 62°F 17°C
Lo: 49°F 9°C
Sunrise 07:33 AM
Sunset 07:14 PM
Wind NNW 9 mph15 km/h
Dew Point 25°F-4°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 0% *
Humidity 27%
Fri, 2nd
Westport SD Weather - Friday, Oct 2, 2026 - Cloudy
Hi: 65°F 18°C
Lo: 51°F 10°C
Sunrise 07:34 AM
Sunset 07:13 PM
Wind SSE 19 mph31 km/h
Dew Point 32°F-0°C
uv Index 1
Barometric Pressure 30.09 in1019 mb
POP 8% *
Humidity 35%
Sat, 3rd
Westport SD Weather - Saturday, Oct 3, 2026 - Overcast
Hi: 70°F 21°C
Lo: 52°F 11°C
Sunrise 07:36 AM
Sunset 07:11 PM
Wind W 12 mph19 km/h
Dew Point 44°F7°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 4% *
Humidity 50%
Sun, 4th
Westport SD Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 62°F 17°C
Lo: 50°F 10°C
Sunrise 07:37 AM
Sunset 07:09 PM
Wind NW 11 mph17 km/h
Dew Point 23°F-5°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 27%
Mon, 5th
Westport SD Weather - Monday, Oct 5, 2026 - Cloudy
Hi: 51°F 11°C
Lo: 44°F 6°C
Sunrise 07:38 AM
Sunset 07:07 PM
Wind E 10 mph16 km/h
Dew Point 28°F-2°C
uv Index 2
Barometric Pressure 30.36 in1028 mb
POP 11% *
Humidity 48%
Tue, 6th
Westport SD Weather - Tuesday, Oct 6, 2026 - Patchy Rain Nearby
Hi: 55°F 13°C
Lo: 44°F 7°C
Sunrise 07:40 AM
Sunset 07:05 PM
Wind SSE 15 mph24 km/h
Dew Point 43°F6°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 21% *
Humidity 75%
Wed, 7th
Westport SD Weather - Wednesday, Oct 7, 2026 - Sunny
Hi: 68°F 20°C
Lo: 49°F 10°C
Sunrise 07:41 AM
Sunset 07:03 PM
Wind NNW 11 mph17 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 29.85 in1011 mb
POP 4% *
Humidity 62%
Thu, 8th
Westport SD Weather - Thursday, Oct 8, 2026 - Sunny
Hi: 58°F 14°C
Lo: 45°F 7°C
Sunrise 07:42 AM
Sunset 07:01 PM
Wind NNW 18 mph29 km/h
Dew Point 23°F-5°C
uv Index 3
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 35%
Fri, 9th
Westport SD Weather - Friday, Oct 9, 2026 - Overcast
Hi: 64°F 18°C
Lo: 44°F 7°C
Sunrise 07:43 AM
Sunset 06:59 PM
Wind SW 12 mph19 km/h
Dew Point 26°F-4°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 33%
Sat, 10th
Westport SD Weather - Saturday, Oct 10, 2026 - Overcast
Hi: 46°F 8°C
Lo: 35°F 2°C
Sunrise 07:45 AM
Sunset 06:57 PM
Wind NW 9 mph14 km/h
Dew Point 10°F-12°C
uv Index 2
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 29%
Sun, 11th
Westport SD Weather - Sunday, Oct 11, 2026 - Sunny
Hi: 40°F 5°C
Lo: 32°F -0°C
Sunrise 07:46 AM
Sunset 06:56 PM
Wind NNW 14 mph22 km/h
Dew Point 3°F-16°C
uv Index 2
Barometric Pressure 30.21 in1023 mb
POP 0% *
Humidity 24%
Mon, 12th
Westport SD Weather - Monday, Oct 12, 2026 - Sunny
Hi: 45°F 7°C
Lo: 29°F -2°C
Sunrise 07:47 AM
Sunset 06:54 PM
Wind WSW 3 mph5 km/h
Dew Point 1°F-17°C
uv Index 2
Barometric Pressure 30.15 in1021 mb
POP 0% *
Humidity 22%
* POP = Probability of Precipitation. Data for 12:00 PM.