Posey Lake, SD 14 Day Weather

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Posey Lake, SD Weather - 14-Day Weather Forecast

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Posey Lake SD Weather - Partly Cloudy - 62°F
Partly Cloudy
62°F
Updated 3:19 pm
Feels Like 51°F
Humidity 36%
Wind ENE 9 mph
Barometer  30.24 in
Dew Point 35°F
Posey Lake SD Weather - Partly Cloudy - 16°C
Partly Cloudy
16°C
Updated 3:19 pm
Feels Like 11°C
Humidity 36%
Wind ENE 14 km/h
Barometer  102.4 kPa
Dew Point 2°C
Posey Lake, SD Weather and Current Conditionsposey lake sd weather forecast

Posey Lake, SD Weather Forecast

Posey Lake South Dakota WeatherPosey Lake, South Dakota Weather Weather Forecast
14 Day API Posey Lake Weather Forecast. Note: Our 7 day Posey Lake 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.
Posey Lake, SD Weather Forecast Dated: 319 PM Thu Oct 01 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Thursday, October 1, 2026

Mid-Morning
Posey Lake Weather - 2026-10-01 - Morning - Sunny
49°F 10°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-01 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-01 - Evening - Sunny
56°F 14°C
Sunny
Refreshing around 61°F 16°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the NE to the E at 13 mph 21 km/h.

Friday, October 2, 2026

Mid-Morning
Posey Lake Weather - 2026-10-02 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-02 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-02 - Evening - Sunny
71°F 22°C
Sunny
Comfortable with temperatures reaching 78°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the SSW at 25 mph 40 km/h. Gusts up to 37 mph 60 km/h.

Saturday, October 3, 2026

Mid-Morning
Posey Lake Weather - 2026-10-03 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Posey Lake Weather - 2026-10-03 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Posey Lake Weather - 2026-10-03 - Evening - Sunny
64°F 18°C
Sunny
Enjoyable around 74°F 23°C, overcast through the afternoon, turning sunny this evening, with lower humidity and barometric pressure rising. Winds moving from the NNW to the NNE at 11 mph 17 km/h.

Sunday, October 4, 2026

Mid-Morning
Posey Lake Weather - 2026-10-04 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-04 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-04 - Evening - Sunny
65°F 18°C
Sunny
Mild temperatures up to 74°F 23°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the SSE at 14 mph 23 km/h. Gusts up to 28 mph 45 km/h.

Monday, October 5, 2026

Mid-Morning
Posey Lake Weather - 2026-10-05 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-05 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-05 - Evening - Cloudy
72°F 22°C
Cloudy
Very warm with a high of 84°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds tapering down from S 19 mph 31 km/h to SSW 10 mph 16 km/h.

Tuesday, October 6, 2026

Mid-Morning
Posey Lake Weather - 2026-10-06 - Morning - Overcast
71°F 21°C
Overcast
Mid-Afternoon
Posey Lake Weather - 2026-10-06 - Afternoon - Partly Cloudy
84°F 29°C
Partly Cloudy
Early-Evening
Posey Lake Weather - 2026-10-06 - Evening - Partly Cloudy
71°F 21°C
Partly Cloudy
Warm and summery near 84°F 29°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the W to the N at 9 mph 15 km/h.

Wednesday, October 7, 2026

Mid-Morning
Posey Lake Weather - 2026-10-07 - Morning - Partly Cloudy
58°F 14°C
Partly Cloudy
Mid-Afternoon
Posey Lake Weather - 2026-10-07 - Afternoon - Partly Cloudy
71°F 22°C
Partly Cloudy
Early-Evening
Posey Lake Weather - 2026-10-07 - Evening - Sunny
64°F 18°C
Sunny
Comfortable with temperatures reaching 71°F 22°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds switching from the NE to the SSE at 9 mph 15 km/h.

Thursday, October 8, 2026

Mid-Morning
Posey Lake Weather - 2026-10-08 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-08 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-08 - Evening - Sunny
67°F 19°C
Sunny
Enjoyable around 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the N to the SE at 11 mph 17 km/h. Gusts up to 20 mph 31 km/h.

Friday, October 9, 2026

Mid-Morning
Posey Lake Weather - 2026-10-09 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-09 - Afternoon - Sunny
87°F 31°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-09 - Evening - Sunny
73°F 23°C
Sunny
Warm temperatures up to 87°F 31°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the W to the ESE at 7 mph 11 km/h.

Saturday, October 10, 2026

Mid-Morning
Posey Lake Weather - 2026-10-10 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-10 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-10 - Evening - Sunny
69°F 21°C
Sunny
Very warm with a high of 85°F 29°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds picking up from WSW at 8 mph 13 km/h to N at 28 mph 45 km/h. Gusts up to 38 mph 61 km/h.

Sunday, October 11, 2026

Mid-Morning
Posey Lake Weather - 2026-10-11 - Morning - Partly Cloudy
42°F 6°C
Partly Cloudy
Mid-Afternoon
Posey Lake Weather - 2026-10-11 - Afternoon - Sunny
55°F 13°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-11 - Evening - Sunny
48°F 9°C
Sunny
Chilly near 55°F 13°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the N to the E at 7 mph 11 km/h.

Monday, October 12, 2026

Mid-Morning
Posey Lake Weather - 2026-10-12 - Morning - Sunny
49°F 10°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-12 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-12 - Evening - Sunny
61°F 16°C
Sunny
Comfortable with temperatures reaching 69°F 21°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds decreasing from S 19 mph 30 km/h to SSW 11 mph 18 km/h. Gusts up to 23 mph 37 km/h.

Tuesday, October 13, 2026

Mid-Morning
Posey Lake Weather - 2026-10-13 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-13 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-13 - Evening - Sunny
61°F 16°C
Sunny
Enjoyable around 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the WNW to the NE at 5 mph 9 km/h.

Wednesday, October 14, 2026

Mid-Morning
Posey Lake Weather - 2026-10-14 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Posey Lake Weather - 2026-10-14 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Posey Lake Weather - 2026-10-14 - Evening - Sunny
66°F 19°C
Sunny
Mild temperatures up to 77°F 25°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the SE to the SSE at 15 mph 24 km/h. Gusts up to 33 mph 52 km/h.

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Weather by the Numbers

Thu, 1st
Posey Lake SD Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 61°F 16°C
Lo: 47°F 8°C
Sunrise 06:46 AM
Sunset 06:30 PM
Wind ENE 13 mph21 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 2% *
Humidity 37%
Fri, 2nd
Posey Lake SD Weather - Friday, Oct 2, 2026 - Sunny
Hi: 79°F 26°C
Lo: 43°F 6°C
Sunrise 06:47 AM
Sunset 06:28 PM
Wind SSW 28 mph45 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 39%
Sat, 3rd
Posey Lake SD Weather - Saturday, Oct 3, 2026 - Partly Cloudy
Hi: 74°F 23°C
Lo: 57°F 14°C
Sunrise 06:49 AM
Sunset 06:26 PM
Wind N 20 mph32 km/h
Dew Point 42°F5°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 3% *
Humidity 32%
Sun, 4th
Posey Lake SD Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 74°F 23°C
Lo: 51°F 11°C
Sunrise 06:50 AM
Sunset 06:24 PM
Wind SSE 13 mph21 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 31%
Mon, 5th
Posey Lake SD Weather - Monday, Oct 5, 2026 - Sunny
Hi: 84°F 29°C
Lo: 55°F 13°C
Sunrise 06:51 AM
Sunset 06:23 PM
Wind SSW 15 mph25 km/h
Dew Point 49°F10°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 41%
Tue, 6th
Posey Lake SD Weather - Tuesday, Oct 6, 2026 - Overcast
Hi: 84°F 29°C
Lo: 64°F 18°C
Sunrise 06:52 AM
Sunset 06:21 PM
Wind NNW 9 mph14 km/h
Dew Point 36°F2°C
uv Index 6
Barometric Pressure 29.74 in1007 mb
POP 9% *
Humidity 20%
Wed, 7th
Posey Lake SD Weather - Wednesday, Oct 7, 2026 - Overcast
Hi: 71°F 22°C
Lo: 54°F 12°C
Sunrise 06:53 AM
Sunset 06:19 PM
Wind ESE 4 mph6 km/h
Dew Point 36°F2°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 10% *
Humidity 34%
Thu, 8th
Posey Lake SD Weather - Thursday, Oct 8, 2026 - Sunny
Hi: 78°F 26°C
Lo: 56°F 13°C
Sunrise 06:54 AM
Sunset 06:17 PM
Wind NE 6 mph9 km/h
Dew Point 32°F0°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 0% *
Humidity 21%
Fri, 9th
Posey Lake SD Weather - Friday, Oct 9, 2026 - Sunny
Hi: 87°F 31°C
Lo: 60°F 16°C
Sunrise 06:56 AM
Sunset 06:16 PM
Wind W 16 mph26 km/h
Dew Point 31°F-1°C
uv Index 7
Barometric Pressure 29.74 in1007 mb
POP 0% *
Humidity 15%
Sat, 10th
Posey Lake SD Weather - Saturday, Oct 10, 2026 - Partly Cloudy
Hi: 85°F 29°C
Lo: 55°F 13°C
Sunrise 06:57 AM
Sunset 06:14 PM
Wind WNW 16 mph26 km/h
Dew Point 30°F-1°C
uv Index 7
Barometric Pressure 29.68 in1005 mb
POP 2% *
Humidity 15%
Sun, 11th
Posey Lake SD Weather - Sunday, Oct 11, 2026 - Sunny
Hi: 55°F 13°C
Lo: 42°F 6°C
Sunrise 06:58 AM
Sunset 06:12 PM
Wind NNE 11 mph17 km/h
Dew Point 25°F-4°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 1% *
Humidity 37%
Mon, 12th
Posey Lake SD Weather - Monday, Oct 12, 2026 - Sunny
Hi: 69°F 21°C
Lo: 41°F 5°C
Sunrise 06:59 AM
Sunset 06:11 PM
Wind S 20 mph32 km/h
Dew Point 30°F-1°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 29%
Tue, 13th
Posey Lake SD Weather - Tuesday, Oct 13, 2026 - Sunny
Hi: 73°F 23°C
Lo: 55°F 13°C
Sunrise 07:00 AM
Sunset 06:09 PM
Wind NNW 16 mph25 km/h
Dew Point 26°F-3°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 0% *
Humidity 19%
Wed, 14th
Posey Lake SD Weather - Wednesday, Oct 14, 2026 - Sunny
Hi: 77°F 25°C
Lo: 52°F 11°C
Sunrise 07:02 AM
Sunset 06:07 PM
Wind SE 15 mph23 km/h
Dew Point 28°F-2°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 0% *
Humidity 20%
* POP = Probability of Precipitation. Data for 12:00 PM.