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Old Town SD Weather - Clear - 75°F
Clear
75°F
Updated 10:23 am
Feels Like 75°F
Humidity 73%
Wind S 16 mph
Barometer  29.82 in
Dew Point 66°F
Old Town SD Weather - Clear - 24°C
Clear
24°C
Updated 10:23 am
Feels Like 24°C
Humidity 73%
Wind S 26 km/h
Barometer  101 kPa
Dew Point 19°C
Old Town, SD Weather and Current Conditionsold town sd weather forecast

Old Town, SD Weather Forecast

Old Town South Dakota WeatherOld Town, South Dakota Weather Weather Forecast
14 Day API Old Town, SD Weather Forecast. Note: Our 7 day Old Town, 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.
Old Town, SD Weather Forecast Dated: 1023 AM Mon Sep 07 2026
Expect a very warm period with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Monday, September 7, 2026

Mid-Morning
Old Town Weather - 2026-09-07 - Morning - Heavy Rain
71°F 21°C
Heavy Rain
Mid-Afternoon
Old Town Weather - 2026-09-07 - Afternoon - Heavy Rain
85°F 29°C
Heavy Rain
Early-Evening
Old Town Weather - 2026-09-07 - Evening - Overcast
82°F 28°C
Overcast
Warm and summery near 85°F 29°C, intermittent showers through midday, easing by evening, with lower humidity and steady pressure. Winds turning from the WSW to the WNW at 11 mph 17 km/h.

Tuesday, September 8, 2026

Mid-Morning
Old Town Weather - 2026-09-08 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-08 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Old Town Weather - 2026-09-08 - Evening - Sunny
71°F 22°C
Sunny
Balmy with temperatures reaching 84°F 29°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the E at 14 mph 22 km/h.

Wednesday, September 9, 2026

Mid-Morning
Old Town Weather - 2026-09-09 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-09 - Afternoon - Partly Cloudy
79°F 26°C
Partly Cloudy
Early-Evening
Old Town Weather - 2026-09-09 - Evening - Sunny
70°F 21°C
Sunny
Enjoyable around 79°F 26°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds moving from the NW to the WSW at 8 mph 13 km/h.

Thursday, September 10, 2026

Mid-Morning
Old Town Weather - 2026-09-10 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-10 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
Old Town Weather - 2026-09-10 - Evening - Sunny
80°F 27°C
Sunny
Hot temperatures near 91°F 33°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the WSW to the W at 10 mph 16 km/h.

Friday, September 11, 2026

Mid-Morning
Old Town Weather - 2026-09-11 - Morning - Partly Cloudy
71°F 22°C
Partly Cloudy
Mid-Afternoon
Old Town Weather - 2026-09-11 - Afternoon - Partly Cloudy
76°F 25°C
Partly Cloudy
Early-Evening
Old Town Weather - 2026-09-11 - Evening - Sunny
69°F 21°C
Sunny
Mild with a high of 76°F 25°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure rising. Winds tapering down from N 17 mph 28 km/h to SSE 8 mph 13 km/h.

Saturday, September 12, 2026

Mid-Morning
Old Town Weather - 2026-09-12 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-12 - Afternoon - Cloudy
95°F 35°C
Cloudy
Early-Evening
Old Town Weather - 2026-09-12 - Evening - Scattered Showers
79°F 26°C
Scattered Showers
Very hot with temperatures reaching 95°F 35°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds decreasing from S 20 mph 32 km/h to SSE 9 mph 14 km/h.

Sunday, September 13, 2026

Mid-Morning
Old Town Weather - 2026-09-13 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-13 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Old Town Weather - 2026-09-13 - Evening - Sunny
61°F 16°C
Sunny
Balmy with temperatures reaching 80°F 27°C, sunny throughout the day, with lower humidity and barometric pressure rising. Winds picking up from NNE at 9 mph 14 km/h to NNW at 23 mph 37 km/h. Gusts up to 30 mph 48 km/h.

Monday, September 14, 2026

Mid-Morning
Old Town Weather - 2026-09-14 - Morning - Sunny
48°F 9°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-14 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Old Town Weather - 2026-09-14 - Evening - Sunny
52°F 11°C
Sunny
Cool with a high near 61°F 16°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the N to the NNW at 7 mph 11 km/h.

Tuesday, September 15, 2026

Mid-Morning
Old Town Weather - 2026-09-15 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-15 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Old Town Weather - 2026-09-15 - Evening - Sunny
64°F 18°C
Sunny
Mild temperatures up to 71°F 22°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the SSE to the SW at 10 mph 15 km/h.

Wednesday, September 16, 2026

Mid-Morning
Old Town Weather - 2026-09-16 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-16 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Old Town Weather - 2026-09-16 - Evening - Overcast
70°F 22°C
Overcast
Very warm with a high of 82°F 28°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds shifting from the SSE to the WSW at 6 mph 9 km/h.

Thursday, September 17, 2026

Mid-Morning
Old Town Weather - 2026-09-17 - Morning - Sunny
69°F 21°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-17 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Old Town Weather - 2026-09-17 - Evening - Sunny
78°F 26°C
Sunny
Warm and summery near 86°F 30°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the ENE to the SSW at 9 mph 14 km/h.

Friday, September 18, 2026

Mid-Morning
Old Town Weather - 2026-09-18 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Old Town Weather - 2026-09-18 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Old Town Weather - 2026-09-18 - Evening - Sunny
70°F 21°C
Sunny
Balmy with temperatures reaching 82°F 28°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure rising. Winds increasing from the NNW at 4 mph 6 km/h to NW at 13 mph 21 km/h.

Saturday, September 19, 2026

Mid-Morning
Old Town Weather - 2026-09-19 - Morning - Overcast
55°F 13°C
Overcast
Mid-Afternoon
Old Town Weather - 2026-09-19 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Old Town Weather - 2026-09-19 - Evening - Sunny
52°F 11°C
Sunny
Refreshing around 61°F 16°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure rising. Winds moving from the NNE to the SE at 7 mph 12 km/h.

Sunday, September 20, 2026

Mid-Morning
Old Town Weather - 2026-09-20 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Old Town Weather - 2026-09-20 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Old Town Weather - 2026-09-20 - Evening - Sunny
74°F 23°C
Sunny
Warm temperatures up to 83°F 28°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds tapering down from S 25 mph 40 km/h to SSW 9 mph 15 km/h.

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Weather by the Numbers

Mon, 7th
Old Town SD Weather - Monday, Sep 7, 2026 - Heavy Rain
Hi: 91°F 33°C
Lo: 67°F 20°C
Sunrise 06:23 AM
Sunset 07:18 PM
Wind WSW 13 mph21 km/h
Dew Point 61°F16°C
uv Index 4
Barometric Pressure 29.65 in1004 mb
POP 76% *
Humidity 58%
Tue, 8th
Old Town SD Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 84°F 29°C
Lo: 60°F 16°C
Sunrise 06:24 AM
Sunset 07:16 PM
Wind SE 10 mph16 km/h
Dew Point 32°F-0°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 17%
Wed, 9th
Old Town SD Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 80°F 26°C
Lo: 55°F 13°C
Sunrise 06:25 AM
Sunset 07:14 PM
Wind E 12 mph20 km/h
Dew Point 33°F0°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 20%
Thu, 10th
Old Town SD Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 92°F 33°C
Lo: 58°F 14°C
Sunrise 06:26 AM
Sunset 07:12 PM
Wind SW 11 mph18 km/h
Dew Point 23°F-5°C
uv Index 6
Barometric Pressure 29.77 in1008 mb
POP 9% *
Humidity 9%
Fri, 11th
Old Town SD Weather - Friday, Sep 11, 2026 - Sunny
Hi: 76°F 25°C
Lo: 59°F 15°C
Sunrise 06:27 AM
Sunset 07:11 PM
Wind N 15 mph24 km/h
Dew Point 44°F7°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 35%
Sat, 12th
Old Town SD Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 95°F 35°C
Lo: 58°F 15°C
Sunrise 06:29 AM
Sunset 07:09 PM
Wind SSW 17 mph27 km/h
Dew Point 39°F4°C
uv Index 8
Barometric Pressure 29.65 in1004 mb
POP 0% *
Humidity 16%
Sun, 13th
Old Town SD Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 80°F 27°C
Lo: 48°F 9°C
Sunrise 06:30 AM
Sunset 07:07 PM
Wind NNE 16 mph26 km/h
Dew Point 49°F10°C
uv Index 6
Barometric Pressure 29.77 in1008 mb
POP 1% *
Humidity 45%
Mon, 14th
Old Town SD Weather - Monday, Sep 14, 2026 - Sunny
Hi: 61°F 16°C
Lo: 41°F 5°C
Sunrise 06:31 AM
Sunset 07:05 PM
Wind NE 11 mph18 km/h
Dew Point 31°F-0°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 1% *
Humidity 38%
Tue, 15th
Old Town SD Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 71°F 22°C
Lo: 41°F 5°C
Sunrise 06:32 AM
Sunset 07:03 PM
Wind SSE 15 mph24 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 1% *
Humidity 32%
Wed, 16th
Old Town SD Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 82°F 28°C
Lo: 53°F 11°C
Sunrise 06:33 AM
Sunset 07:01 PM
Wind SE 10 mph16 km/h
Dew Point 46°F8°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 32%
Thu, 17th
Old Town SD Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 86°F 30°C
Lo: 57°F 14°C
Sunrise 06:34 AM
Sunset 06:59 PM
Wind SE 11 mph18 km/h
Dew Point 48°F9°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 32%
Fri, 18th
Old Town SD Weather - Friday, Sep 18, 2026 - Partly Cloudy
Hi: 84°F 29°C
Lo: 61°F 16°C
Sunrise 06:35 AM
Sunset 06:57 PM
Wind N 20 mph32 km/h
Dew Point 47°F8°C
uv Index 7
Barometric Pressure 29.8 in1009 mb
POP 4% *
Humidity 28%
Sat, 19th
Old Town SD Weather - Saturday, Sep 19, 2026 - Cloudy
Hi: 61°F 16°C
Lo: 46°F 8°C
Sunrise 06:37 AM
Sunset 06:56 PM
Wind NNE 12 mph19 km/h
Dew Point 33°F0°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 8% *
Humidity 39%
Sun, 20th
Old Town SD Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 83°F 28°C
Lo: 45°F 7°C
Sunrise 06:38 AM
Sunset 06:54 PM
Wind S 23 mph37 km/h
Dew Point 39°F4°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 30%
* POP = Probability of Precipitation. Data for 12:00 PM.