Simmon Lake, SD 14 Day Weather

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Simmon Lake, SD Weather - 14-Day Weather Forecast

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Simmon Lake SD Weather - Sunny - 60°F
Sunny
60°F
Updated 4:30 pm
Feels Like 49°F
Humidity 29%
Wind S 9 mph
Barometer  30.25 in
Dew Point 28°F
Simmon Lake SD Weather - Sunny - 16°C
Sunny
16°C
Updated 4:30 pm
Feels Like 10°C
Humidity 29%
Wind S 14 km/h
Barometer  102.4 kPa
Dew Point -2°C
Simmon Lake, SD Weather and Current Conditionssimmon lake sd weather forecast

Simmon Lake, SD Weather Forecast

Simmon Lake South Dakota WeatherSimmon Lake, South Dakota Weather Weather Forecast
14 day API Simmon Lake weather forecast. Note. Our 7-day Simmon 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.
Simmon Lake, SD Weather Forecast Dated: 430 PM Fri Oct 02 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, October 2, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-02 - Morning - Sunny
41°F 5°C
Sunny
Mid-Afternoon
Simmon Lake Weather - 2026-10-02 - Afternoon - Cloudy
59°F 15°C
Cloudy
Early-Evening
Simmon Lake Weather - 2026-10-02 - Evening - Sunny
56°F 13°C
Sunny
Refreshing around 59°F 15°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds picking up from ENE at 2 mph 3 km/h to SSE at 10 mph 16 km/h. Gusts up to 23 mph 37 km/h.

Saturday, October 3, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-03 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Simmon Lake Weather - 2026-10-03 - Afternoon - Drizzle
58°F 15°C
Drizzle
Early-Evening
Simmon Lake Weather - 2026-10-03 - Evening - Scattered Showers
60°F 15°C
Scattered Showers
Mildly cool near 58°F 15°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SSW to the NNW at 11 mph 17 km/h. Gusts up to 23 mph 37 km/h.

Sunday, October 4, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-04 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Simmon Lake Weather - 2026-10-04 - Afternoon - Sunny
60°F 15°C
Sunny
Early-Evening
Simmon Lake Weather - 2026-10-04 - Evening - Sunny
57°F 14°C
Sunny
Comfortable at 60°F 15°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NW to the N at 7 mph 11 km/h.

Monday, October 5, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-05 - Morning - Cloudy
51°F 11°C
Cloudy
Mid-Afternoon
Simmon Lake Weather - 2026-10-05 - Afternoon - Partly Cloudy
63°F 17°C
Partly Cloudy
Early-Evening
Simmon Lake Weather - 2026-10-05 - Evening - Sunny
60°F 16°C
Sunny
Cool with a high near 63°F 17°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds swinging from the SE to the SSE at 16 mph 25 km/h. Gusts up to 30 mph 48 km/h.

Tuesday, October 6, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-06 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Simmon Lake Weather - 2026-10-06 - Afternoon - Partly Cloudy
71°F 22°C
Partly Cloudy
Early-Evening
Simmon Lake Weather - 2026-10-06 - Evening - Sunny
71°F 22°C
Sunny
Mild with a high of 71°F 22°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the SW at 15 mph 23 km/h. Gusts up to 23 mph 38 km/h.

Wednesday, October 7, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-07 - Morning - Overcast
56°F 14°C
Overcast
Mid-Afternoon
Simmon Lake Weather - 2026-10-07 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Simmon Lake Weather - 2026-10-07 - Evening - Overcast
65°F 19°C
Overcast
Mildly cool near 64°F 18°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the NNW to the SE at 3 mph 5 km/h.

Thursday, October 8, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-08 - Morning - Partly Cloudy
55°F 13°C
Partly Cloudy
Mid-Afternoon
Simmon Lake Weather - 2026-10-08 - Afternoon - Sunny
60°F 16°C
Sunny
Early-Evening
Simmon Lake Weather - 2026-10-08 - Evening - Cloudy
59°F 15°C
Cloudy
Comfortable at 60°F 16°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure rising. Winds out of the SW at 14 mph 23 km/h.

Friday, October 9, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-09 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Simmon Lake Weather - 2026-10-09 - Afternoon - Overcast
62°F 17°C
Overcast
Early-Evening
Simmon Lake Weather - 2026-10-09 - Evening - Overcast
62°F 17°C
Overcast
Cool with a high near 62°F 17°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds building from S at 7 mph 11 km/h to SSE at 17 mph 27 km/h. Gusts up to 32 mph 52 km/h.

Saturday, October 10, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-10 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Simmon Lake Weather - 2026-10-10 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Simmon Lake Weather - 2026-10-10 - Evening - Overcast
72°F 23°C
Overcast
Mild temperatures up to 73°F 23°C, overcast throughout the day, with lower humidity and steady pressure. Winds decreasing from SSW 20 mph 32 km/h to NW 9 mph 14 km/h.

Sunday, October 11, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-11 - Morning - Light Rain
47°F 8°C
Light Rain
Mid-Afternoon
Simmon Lake Weather - 2026-10-11 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Simmon Lake Weather - 2026-10-11 - Evening - Sunny
62°F 17°C
Sunny
Mildly cool near 61°F 16°C, early showers breaking for a drier afternoon, with lower humidity and barometric pressure falling.

Monday, October 12, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-12 - Morning - Light Showers
50°F 10°C
Light Showers
Mid-Afternoon
Simmon Lake Weather - 2026-10-12 - Afternoon - Light Showers
43°F 6°C
Light Showers
Early-Evening
Simmon Lake Weather - 2026-10-12 - Evening - Heavy Rain Showers
44°F 6°C
Heavy Rain Showers
Biting cold near 43°F 6°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds picking up from SSE at 8 mph 13 km/h to NNW at 22 mph 35 km/h. Gusts up to 37 mph 59 km/h.

Tuesday, October 13, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-13 - Morning - Sunny
43°F 6°C
Sunny
Mid-Afternoon
Simmon Lake Weather - 2026-10-13 - Afternoon - Sunny
51°F 11°C
Sunny
Early-Evening
Simmon Lake Weather - 2026-10-13 - Evening - Sunny
53°F 12°C
Sunny
Crisp with a high near 51°F 11°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds tapering down from NW 21 mph 33 km/h to WSW 9 mph 14 km/h.

Wednesday, October 14, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-14 - Morning - Overcast
51°F 10°C
Overcast
Mid-Afternoon
Simmon Lake Weather - 2026-10-14 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Simmon Lake Weather - 2026-10-14 - Evening - Partly Cloudy
62°F 17°C
Partly Cloudy
Refreshing around 63°F 17°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds decreasing from SW 17 mph 28 km/h to ESE 6 mph 11 km/h.

Thursday, October 15, 2026

Mid-Morning
Simmon Lake Weather - 2026-10-15 - Morning - Overcast
46°F 8°C
Overcast
Mid-Afternoon
Simmon Lake Weather - 2026-10-15 - Afternoon - Sunny
50°F 10°C
Sunny
Early-Evening
Simmon Lake Weather - 2026-10-15 - Evening - Sunny
40°F 5°C
Sunny
Cool and brisk at 50°F 10°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure rising. Winds moving from the NNE to the N at 19 mph 31 km/h. Gusts up to 29 mph 46 km/h.

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Weather by the Numbers

Fri, 2nd
Simmon Lake SD Weather - Friday, Oct 2, 2026 - Partly Cloudy
Hi: 60°F 16°C
Lo: 36°F 2°C
Sunrise 07:29 AM
Sunset 07:08 PM
Wind SE 7 mph11 km/h
Dew Point 30°F-1°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 5% *
Humidity 32%
Sat, 3rd
Simmon Lake SD Weather - Saturday, Oct 3, 2026 - Overcast
Hi: 64°F 18°C
Lo: 49°F 9°C
Sunrise 07:31 AM
Sunset 07:06 PM
Wind WSW 15 mph23 km/h
Dew Point 41°F5°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 12% *
Humidity 50%
Sun, 4th
Simmon Lake SD Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 60°F 16°C
Lo: 49°F 9°C
Sunrise 07:32 AM
Sunset 07:04 PM
Wind WNW 10 mph16 km/h
Dew Point 34°F1°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 1% *
Humidity 44%
Mon, 5th
Simmon Lake SD Weather - Monday, Oct 5, 2026 - Sunny
Hi: 64°F 18°C
Lo: 50°F 10°C
Sunrise 07:33 AM
Sunset 07:02 PM
Wind SE 15 mph23 km/h
Dew Point 35°F2°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 44%
Tue, 6th
Simmon Lake SD Weather - Tuesday, Oct 6, 2026 - Sunny
Hi: 73°F 23°C
Lo: 56°F 13°C
Sunrise 07:35 AM
Sunset 07:00 PM
Wind SW 17 mph27 km/h
Dew Point 45°F7°C
uv Index 3
Barometric Pressure 29.74 in1007 mb
POP 3% *
Humidity 51%
Wed, 7th
Simmon Lake SD Weather - Wednesday, Oct 7, 2026 - Overcast
Hi: 66°F 19°C
Lo: 55°F 13°C
Sunrise 07:36 AM
Sunset 06:58 PM
Wind NNW 8 mph12 km/h
Dew Point 35°F2°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 10% *
Humidity 40%
Thu, 8th
Simmon Lake SD Weather - Thursday, Oct 8, 2026 - Sunny
Hi: 62°F 17°C
Lo: 54°F 12°C
Sunrise 07:37 AM
Sunset 06:56 PM
Wind SE 13 mph21 km/h
Dew Point 35°F2°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 42%
Fri, 9th
Simmon Lake SD Weather - Friday, Oct 9, 2026 - Sunny
Hi: 63°F 17°C
Lo: 51°F 11°C
Sunrise 07:38 AM
Sunset 06:54 PM
Wind SSE 12 mph19 km/h
Dew Point 24°F-4°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 5% *
Humidity 28%
Sat, 10th
Simmon Lake SD Weather - Saturday, Oct 10, 2026 - Overcast
Hi: 73°F 23°C
Lo: 57°F 14°C
Sunrise 07:40 AM
Sunset 06:52 PM
Wind WSW 18 mph29 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 29.56 in1001 mb
POP 10% *
Humidity 40%
Sun, 11th
Simmon Lake SD Weather - Sunday, Oct 11, 2026 - Cloudy
Hi: 63°F 17°C
Lo: 45°F 7°C
Sunrise 07:41 AM
Sunset 06:51 PM
Wind N 5 mph8 km/h
Dew Point 37°F3°C
uv Index 3
Barometric Pressure 29.71 in1006 mb
POP 4% *
Humidity 52%
Mon, 12th
Simmon Lake SD Weather - Monday, Oct 12, 2026 - Light Rain Shower
Hi: 60°F 16°C
Lo: 42°F 5°C
Sunrise 07:42 AM
Sunset 06:49 PM
Wind WSW 16 mph26 km/h
Dew Point 44°F7°C
uv Index 2
Barometric Pressure 29.35 in994 mb
POP 66% *
Humidity 92%
Tue, 13th
Simmon Lake SD Weather - Tuesday, Oct 13, 2026 - Sunny
Hi: 54°F 12°C
Lo: 42°F 6°C
Sunrise 07:44 AM
Sunset 06:47 PM
Wind NW 20 mph32 km/h
Dew Point 29°F-1°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 2% *
Humidity 49%
Wed, 14th
Simmon Lake SD Weather - Wednesday, Oct 14, 2026 - Sunny
Hi: 64°F 18°C
Lo: 49°F 10°C
Sunrise 07:45 AM
Sunset 06:45 PM
Wind WSW 13 mph21 km/h
Dew Point 27°F-3°C
uv Index 4
Barometric Pressure 29.71 in1006 mb
POP 1% *
Humidity 31%
Thu, 15th
Simmon Lake SD Weather - Thursday, Oct 15, 2026 - Overcast
Hi: 58°F 14°C
Lo: 35°F 2°C
Sunrise 07:46 AM
Sunset 06:43 PM
Wind NNE 17 mph27 km/h
Dew Point 33°F1°C
uv Index 2
Barometric Pressure 29.68 in1005 mb
POP 6% *
Humidity 57%
* POP = Probability of Precipitation. Data for 12:00 PM.