Summit Lake, SD 14 Day Weather

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Summit Lake, SD Weather - 14-Day Weather Forecast

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Summit Lake SD Weather - Clear - 80°F
Clear
80°F
Updated 3:08 pm
Feels Like 67°F
Humidity 34%
Wind VRB 3 mph
Barometer  29.74 in
Dew Point 50°F
Summit Lake SD Weather - Clear - 27°C
Clear
27°C
Updated 3:08 pm
Feels Like 20°C
Humidity 34%
Wind VRB 5 km/h
Barometer  100.7 kPa
Dew Point 10°C
Summit Lake, SD Weather and Current Conditionssummit lake sd weather forecast

Summit Lake, SD Weather Forecast

Summit Lake South Dakota WeatherSummit Lake, South Dakota Weather Weather Forecast
14 day API Summit Lake weather forecast. Note. Our 7-day Summit Lake weather forecast is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Summit Lake, SD Weather Forecast Dated: 308 PM Wed Sep 30 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.

Wednesday, September 30, 2026

Mid-Morning
Summit Lake Weather - 2026-09-30 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Summit Lake Weather - 2026-09-30 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Summit Lake Weather - 2026-09-30 - Evening - Overcast
74°F 23°C
Overcast
Pleasant near 75°F 24°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the WSW to the WNW at 8 mph 12 km/h.

Thursday, October 1, 2026

Mid-Morning
Summit Lake Weather - 2026-10-01 - Morning - Overcast
50°F 10°C
Overcast
Mid-Afternoon
Summit Lake Weather - 2026-10-01 - Afternoon - Overcast
60°F 15°C
Overcast
Early-Evening
Summit Lake Weather - 2026-10-01 - Evening - Overcast
57°F 14°C
Overcast
Mildly cool near 60°F 15°C, overcast throughout the day, with lower humidity and steady pressure. Winds blowing from the NNW at 13 mph 21 km/h.

Friday, October 2, 2026

Mid-Morning
Summit Lake Weather - 2026-10-02 - Morning - Scattered Showers
46°F 8°C
Scattered Showers
Mid-Afternoon
Summit Lake Weather - 2026-10-02 - Afternoon - Overcast
43°F 6°C
Overcast
Early-Evening
Summit Lake Weather - 2026-10-02 - Evening - Scattered Showers
49°F 10°C
Scattered Showers
Cold with a high near 43°F 6°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds moving from the SSW to the SE at 12 mph 19 km/h. Gusts up to 25 mph 40 km/h.

Saturday, October 3, 2026

Mid-Morning
Summit Lake Weather - 2026-10-03 - Morning - Overcast
50°F 10°C
Overcast
Mid-Afternoon
Summit Lake Weather - 2026-10-03 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Summit Lake Weather - 2026-10-03 - Evening - Sunny
58°F 15°C
Sunny
Cool with a high near 67°F 19°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure rising. Winds swinging from the SW to the NNW at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.

Sunday, October 4, 2026

Mid-Morning
Summit Lake Weather - 2026-10-04 - Morning - Overcast
44°F 7°C
Overcast
Mid-Afternoon
Summit Lake Weather - 2026-10-04 - Afternoon - Partly Cloudy
54°F 12°C
Partly Cloudy
Early-Evening
Summit Lake Weather - 2026-10-04 - Evening - Overcast
51°F 11°C
Overcast
Brisk around 54°F 12°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds shifting from the N to the NE at 7 mph 11 km/h.

Monday, October 5, 2026

Mid-Morning
Summit Lake Weather - 2026-10-05 - Morning - Sunny
44°F 7°C
Sunny
Mid-Afternoon
Summit Lake Weather - 2026-10-05 - Afternoon - Partly Cloudy
55°F 13°C
Partly Cloudy
Early-Evening
Summit Lake Weather - 2026-10-05 - Evening - Overcast
54°F 12°C
Overcast
Cool and brisk at 55°F 13°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the SE to the SSE at 14 mph 23 km/h. Gusts up to 28 mph 45 km/h.

Tuesday, October 6, 2026

Mid-Morning
Summit Lake Weather - 2026-10-06 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
Summit Lake Weather - 2026-10-06 - Afternoon - Scattered Showers
64°F 18°C
Scattered Showers
Early-Evening
Summit Lake Weather - 2026-10-06 - Evening - Scattered Showers
67°F 20°C
Scattered Showers
Comfortable at 64°F 18°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds easing from SSW 23 mph 36 km/h to WSW 11 mph 18 km/h. Gusts up to 24 mph 39 km/h.

Wednesday, October 7, 2026

Mid-Morning
Summit Lake Weather - 2026-10-07 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Summit Lake Weather - 2026-10-07 - Afternoon - Cloudy
62°F 17°C
Cloudy
Early-Evening
Summit Lake Weather - 2026-10-07 - Evening - Sunny
61°F 16°C
Sunny
Cool with a high near 62°F 17°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the NW at 20 mph 32 km/h.

Thursday, October 8, 2026

Mid-Morning
Summit Lake Weather - 2026-10-08 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Summit Lake Weather - 2026-10-08 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Summit Lake Weather - 2026-10-08 - Evening - Sunny
65°F 19°C
Sunny
Mild temperatures up to 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the SW to the S at 11 mph 18 km/h. Gusts up to 23 mph 37 km/h.

Friday, October 9, 2026

Mid-Morning
Summit Lake Weather - 2026-10-09 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Summit Lake Weather - 2026-10-09 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Summit Lake Weather - 2026-10-09 - Evening - Sunny
70°F 21°C
Sunny
Mild with a high of 72°F 22°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds out of the SSW at 21 mph 34 km/h. Gusts up to 40 mph 63 km/h.

Saturday, October 10, 2026

Mid-Morning
Summit Lake Weather - 2026-10-10 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Summit Lake Weather - 2026-10-10 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Summit Lake Weather - 2026-10-10 - Evening - Sunny
75°F 24°C
Sunny
Pleasant near 76°F 24°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the SSW at 17 mph 28 km/h. Gusts up to 34 mph 54 km/h.

Sunday, October 11, 2026

Mid-Morning
Summit Lake Weather - 2026-10-11 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Summit Lake Weather - 2026-10-11 - Afternoon - Overcast
71°F 22°C
Overcast
Early-Evening
Summit Lake Weather - 2026-10-11 - Evening - Overcast
65°F 19°C
Overcast
Comfortable with temperatures reaching 71°F 22°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure rising. Winds switching from the WSW to the SW at 11 mph 18 km/h. Gusts up to 21 mph 34 km/h.

Monday, October 12, 2026

Mid-Morning
Summit Lake Weather - 2026-10-12 - Morning - Light Fog
53°F 12°C
Light Fog
Mid-Afternoon
Summit Lake Weather - 2026-10-12 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Summit Lake Weather - 2026-10-12 - Evening - Sunny
64°F 18°C
Sunny
Refreshing around 65°F 18°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Tuesday, October 13, 2026

Mid-Morning
Summit Lake Weather - 2026-10-13 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Summit Lake Weather - 2026-10-13 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Summit Lake Weather - 2026-10-13 - Evening - Sunny
71°F 22°C
Sunny
Mild temperatures up to 74°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the SW to the SSW at 8 mph 13 km/h.

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Weather by the Numbers

Wed, 30th
Summit Lake SD Weather - Wednesday, Sep 30, 2026 - Sunny
Hi: 77°F 25°C
Lo: 63°F 17°C
Sunrise 07:25 AM
Sunset 07:10 PM
Wind W 9 mph14 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 29.74 in1007 mb
POP 1% *
Humidity 40%
Thu, 1st
Summit Lake SD Weather - Thursday, Oct 1, 2026 - Overcast
Hi: 67°F 19°C
Lo: 50°F 10°C
Sunrise 07:26 AM
Sunset 07:08 PM
Wind N 13 mph22 km/h
Dew Point 30°F-1°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 36%
Fri, 2nd
Summit Lake SD Weather - Friday, Oct 2, 2026 - Overcast
Hi: 55°F 13°C
Lo: 43°F 6°C
Sunrise 07:28 AM
Sunset 07:06 PM
Wind S 9 mph14 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 30.33 in1027 mb
POP 13% *
Humidity 55%
Sat, 3rd
Summit Lake SD Weather - Saturday, Oct 3, 2026 - Sunny
Hi: 67°F 19°C
Lo: 50°F 10°C
Sunrise 07:29 AM
Sunset 07:04 PM
Wind W 13 mph21 km/h
Dew Point 44°F7°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 3% *
Humidity 53%
Sun, 4th
Summit Lake SD Weather - Sunday, Oct 4, 2026 - Cloudy
Hi: 55°F 13°C
Lo: 44°F 7°C
Sunrise 07:30 AM
Sunset 07:02 PM
Wind N 11 mph17 km/h
Dew Point 24°F-4°C
uv Index 3
Barometric Pressure 30.39 in1029 mb
POP 7% *
Humidity 34%
Mon, 5th
Summit Lake SD Weather - Monday, Oct 5, 2026 - Sunny
Hi: 56°F 13°C
Lo: 43°F 6°C
Sunrise 07:31 AM
Sunset 07:00 PM
Wind SE 12 mph20 km/h
Dew Point 25°F-4°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 2% *
Humidity 38%
Tue, 6th
Summit Lake SD Weather - Tuesday, Oct 6, 2026 - Patchy Rain Nearby
Hi: 68°F 20°C
Lo: 49°F 9°C
Sunrise 07:33 AM
Sunset 06:58 PM
Wind SSW 23 mph37 km/h
Dew Point 44°F7°C
uv Index 3
Barometric Pressure 29.74 in1007 mb
POP 14% *
Humidity 57%
Wed, 7th
Summit Lake SD Weather - Wednesday, Oct 7, 2026 - Sunny
Hi: 62°F 17°C
Lo: 51°F 11°C
Sunrise 07:34 AM
Sunset 06:57 PM
Wind WNW 19 mph31 km/h
Dew Point 29°F-2°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 3% *
Humidity 35%
Thu, 8th
Summit Lake SD Weather - Thursday, Oct 8, 2026 - Sunny
Hi: 68°F 20°C
Lo: 54°F 12°C
Sunrise 07:35 AM
Sunset 06:55 PM
Wind SSW 9 mph14 km/h
Dew Point 32°F0°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 32%
Fri, 9th
Summit Lake SD Weather - Friday, Oct 9, 2026 - Sunny
Hi: 73°F 23°C
Lo: 58°F 14°C
Sunrise 07:36 AM
Sunset 06:53 PM
Wind SSW 21 mph34 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 3% *
Humidity 59%
Sat, 10th
Summit Lake SD Weather - Saturday, Oct 10, 2026 - Partly Cloudy
Hi: 77°F 25°C
Lo: 62°F 16°C
Sunrise 07:38 AM
Sunset 06:51 PM
Wind SSW 13 mph20 km/h
Dew Point 49°F9°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 2% *
Humidity 48%
Sun, 11th
Summit Lake SD Weather - Sunday, Oct 11, 2026 - Overcast
Hi: 71°F 22°C
Lo: 59°F 15°C
Sunrise 07:39 AM
Sunset 06:49 PM
Wind NW 9 mph15 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 11% *
Humidity 46%
Mon, 12th
Summit Lake SD Weather - Monday, Oct 12, 2026 - Sunny
Hi: 66°F 19°C
Lo: 52°F 11°C
Sunrise 07:40 AM
Sunset 06:47 PM
Wind NNE 5 mph8 km/h
Dew Point 46°F8°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 4% *
Humidity 62%
Tue, 13th
Summit Lake SD Weather - Tuesday, Oct 13, 2026 - Sunny
Hi: 75°F 24°C
Lo: 58°F 15°C
Sunrise 07:42 AM
Sunset 06:46 PM
Wind SW 9 mph14 km/h
Dew Point 41°F5°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 38%
* POP = Probability of Precipitation. Data for 12:00 PM.