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Mason SD Weather - Clear - 59°F
Clear
59°F
Updated 10:54 pm
Feels Like 58°F
Humidity 54%
Wind N 0 mph
Barometer  29.91 in
Dew Point 42°F
Mason SD Weather - Clear - 15°C
Clear
15°C
Updated 10:54 pm
Feels Like 15°C
Humidity 54%
Wind N 0 km/h
Barometer  101.2 kPa
Dew Point 6°C
Mason, SD Weather and Current Conditionsmason sd weather forecast

Mason, SD Weather Forecast

Mason South Dakota WeatherMason, South Dakota Weather Weather Forecast
14 day API forecast for Mason, South Dakota. Note. The 7-day weather forecast for Mason, SD is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Mason, SD Weather Forecast Dated: 1054 PM Thu Oct 22 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.

Thursday, October 22, 2026

Mid-Morning
Mason Weather - 2026-10-22 - Morning - Partly Cloudy
59°F 15°C
Partly Cloudy
Mid-Afternoon
Mason Weather - 2026-10-22 - Afternoon - Cloudy
76°F 25°C
Cloudy
Early-Evening
Mason Weather - 2026-10-22 - Evening - Overcast
64°F 18°C
Overcast
Pleasant near 76°F 25°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling.

Friday, October 23, 2026

Mid-Morning
Mason Weather - 2026-10-23 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Mason Weather - 2026-10-23 - Afternoon - Partly Cloudy
77°F 25°C
Partly Cloudy
Early-Evening
Mason Weather - 2026-10-23 - Evening - Clear
66°F 19°C
Clear
Comfortable with temperatures reaching 77°F 25°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds picking up from SE at 5 mph 8 km/h to WSW at 16 mph 25 km/h. Gusts up to 29 mph 47 km/h.

Saturday, October 24, 2026

Mid-Morning
Mason Weather - 2026-10-24 - Morning - Partly Cloudy
41°F 5°C
Partly Cloudy
Mid-Afternoon
Mason Weather - 2026-10-24 - Afternoon - Sunny
52°F 11°C
Sunny
Early-Evening
Mason Weather - 2026-10-24 - Evening - Partly Cloudy
45°F 7°C
Partly Cloudy
Chilly near 52°F 11°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds tapering down from WNW 16 mph 26 km/h to ESE 5 mph 8 km/h.

Sunday, October 25, 2026

Mid-Morning
Mason Weather - 2026-10-25 - Morning - Overcast
43°F 6°C
Overcast
Mid-Afternoon
Mason Weather - 2026-10-25 - Afternoon - Overcast
46°F 8°C
Overcast
Early-Evening
Mason Weather - 2026-10-25 - Evening - Scattered Showers
41°F 5°C
Scattered Showers
Crisp with a high near 46°F 8°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Snow accumulation up to 1 in. up to 3 cm. Winds ESE at 16 mph 26 km/h. Gusts up to 24 mph 39 km/h.

Monday, October 26, 2026

Mid-Morning
Mason Weather - 2026-10-26 - Morning - Snow
37°F 3°C
Snow
Mid-Afternoon
Mason Weather - 2026-10-26 - Afternoon - Snow
36°F 2°C
Snow
Early-Evening
Mason Weather - 2026-10-26 - Evening - Light Snow
35°F 2°C
Light Snow
Biting cold near 36°F 2°C, persistent snow off and on through the day, with steady humidity and steady pressure. Winds out of the E at 11 mph 18 km/h. Gusts up to 24 mph 38 km/h.

Tuesday, October 27, 2026

Mid-Morning
Mason Weather - 2026-10-27 - Morning - Overcast
36°F 2°C
Overcast
Mid-Afternoon
Mason Weather - 2026-10-27 - Afternoon - Partly Cloudy
51°F 11°C
Partly Cloudy
Early-Evening
Mason Weather - 2026-10-27 - Evening - Partly Cloudy
45°F 8°C
Partly Cloudy
Cool and brisk at 51°F 11°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds blowing from the ESE at 14 mph 22 km/h. Gusts up to 33 mph 53 km/h.

Wednesday, October 28, 2026

Mid-Morning
Mason Weather - 2026-10-28 - Morning - Scattered Showers
42°F 6°C
Scattered Showers
Mid-Afternoon
Mason Weather - 2026-10-28 - Afternoon - Scattered Showers
41°F 5°C
Scattered Showers
Early-Evening
Mason Weather - 2026-10-28 - Evening - Light Snow
38°F 3°C
Light Snow
Nippy around 41°F 5°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds turning from the W to the WNW at 19 mph 31 km/h. Gusts up to 35 mph 57 km/h.

Thursday, October 29, 2026

Mid-Morning
Mason Weather - 2026-10-29 - Morning - Cloudy
33°F 1°C
Cloudy
Mid-Afternoon
Mason Weather - 2026-10-29 - Afternoon - Light Snow
38°F 3°C
Light Snow
Early-Evening
Mason Weather - 2026-10-29 - Evening - Snow
34°F 1°C
Snow
Biting cold near 38°F 3°C, clouds and snow taking over for the afternoon and evening, with steady humidity and steady pressure.

Friday, October 30, 2026

Mid-Morning
Mason Weather - 2026-10-30 - Morning - Partly Cloudy
35°F 2°C
Partly Cloudy
Mid-Afternoon
Mason Weather - 2026-10-30 - Afternoon - Partly Cloudy
41°F 5°C
Partly Cloudy
Early-Evening
Mason Weather - 2026-10-30 - Evening - Scattered Showers
40°F 5°C
Scattered Showers
Cold with a high near 41°F 5°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds switching from the ESE to the SE at 8 mph 12 km/h. Gusts up to 20 mph 32 km/h.

Saturday, October 31, 2026

Mid-Morning
Mason Weather - 2026-10-31 - Morning - Partly Cloudy
39°F 4°C
Partly Cloudy
Mid-Afternoon
Mason Weather - 2026-10-31 - Afternoon - Partly Cloudy
46°F 8°C
Partly Cloudy
Early-Evening
Mason Weather - 2026-10-31 - Evening - Clear
40°F 4°C
Clear
Cool and brisk at 46°F 8°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds moving from the WNW to the ESE at 3 mph 5 km/h.

Sunday, November 1, 2026

Mid-Morning
Mason Weather - 2026-11-01 - Morning - Partly Cloudy
39°F 4°C
Partly Cloudy
Mid-Afternoon
Mason Weather - 2026-11-01 - Afternoon - Scattered Showers
40°F 5°C
Scattered Showers
Early-Evening
Mason Weather - 2026-11-01 - Evening - Scattered Showers
37°F 3°C
Scattered Showers
Biting cold near 40°F 5°C, scattered downpours possible, with increasing humidity and steady pressure.

Monday, November 2, 2026

Mid-Morning
Mason Weather - 2026-11-02 - Morning - Sunny
40°F 5°C
Sunny
Mid-Afternoon
Mason Weather - 2026-11-02 - Afternoon - Sunny
45°F 7°C
Sunny
Early-Evening
Mason Weather - 2026-11-02 - Evening - Clear
40°F 5°C
Clear
Crisp with a high near 45°F 7°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with increasing humidity and steady pressure.

Tuesday, November 3, 2026

Mid-Morning
Mason Weather - 2026-11-03 - Morning - Sunny
43°F 6°C
Sunny
Mid-Afternoon
Mason Weather - 2026-11-03 - Afternoon - Sunny
49°F 9°C
Sunny
Early-Evening
Mason Weather - 2026-11-03 - Evening - Partly Cloudy
43°F 6°C
Partly Cloudy
Brisk around 49°F 9°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling.

Wednesday, November 4, 2026

Mid-Morning
Mason Weather - 2026-11-04 - Morning - Cloudy
50°F 10°C
Cloudy
Mid-Afternoon
Mason Weather - 2026-11-04 - Afternoon - Partly Cloudy
56°F 13°C
Partly Cloudy
Early-Evening
Mason Weather - 2026-11-04 - Evening - Partly Cloudy
51°F 11°C
Partly Cloudy
Cool and brisk at 56°F 13°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling.

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Weather by the Numbers

Thu, 22nd
Mason SD Weather - Thursday, Oct 22, 2026 - Sunny
Hi: 77°F 25°C
Lo: 53°F 12°C
Sunrise 07:20 AM
Sunset 05:59 PM
Wind ENE 2 mph4 km/h
Dew Point 45°F7°C
uv Index 3
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 37%
Fri, 23rd
Mason SD Weather - Friday, Oct 23, 2026 - Partly Cloudy
Hi: 80°F 27°C
Lo: 50°F 10°C
Sunrise 07:22 AM
Sunset 05:57 PM
Wind SW 9 mph14 km/h
Dew Point 43°F6°C
uv Index 3
Barometric Pressure 29.59 in1002 mb
POP 3% *
Humidity 31%
Sat, 24th
Mason SD Weather - Saturday, Oct 24, 2026 - Sunny
Hi: 52°F 11°C
Lo: 40°F 5°C
Sunrise 07:23 AM
Sunset 05:56 PM
Wind WNW 12 mph19 km/h
Dew Point 22°F-6°C
uv Index 3
Barometric Pressure 30.39 in1029 mb
POP 1% *
Humidity 34%
Sun, 25th
Mason SD Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 51°F 11°C
Lo: 37°F 3°C
Sunrise 07:24 AM
Sunset 05:54 PM
Wind ESE 16 mph26 km/h
Dew Point 25°F-4°C
uv Index 2
Barometric Pressure 30.39 in1029 mb
POP 11% *
Humidity 43%
Mon, 26th
Mason SD Weather - Monday, Oct 26, 2026 - Heavy Snow
Hi: 38°F 3°C
Lo: 35°F 1°C
Sunrise 07:26 AM
Sunset 05:53 PM
Wind ESE 12 mph19 km/h
Dew Point 35°F2°C
uv Index 1
Barometric Pressure 30.45 in1031 mb
POP 78% *
Humidity 95%
Tue, 27th
Mason SD Weather - Tuesday, Oct 27, 2026 - Overcast
Hi: 51°F 11°C
Lo: 34°F 1°C
Sunrise 07:27 AM
Sunset 05:51 PM
Wind ESE 12 mph19 km/h
Dew Point 36°F2°C
uv Index 2
Barometric Pressure 30.03 in1017 mb
POP 19% *
Humidity 71%
Wed, 28th
Mason SD Weather - Wednesday, Oct 28, 2026 - Light Drizzle
Hi: 45°F 7°C
Lo: 36°F 2°C
Sunrise 07:28 AM
Sunset 05:50 PM
Wind WNW 25 mph40 km/h
Dew Point 35°F2°C
uv Index 2
Barometric Pressure 29.94 in1014 mb
POP 40% *
Humidity 78%
Thu, 29th
Mason SD Weather - Thursday, Oct 29, 2026 - Overcast
Hi: 38°F 3°C
Lo: 31°F -1°C
Sunrise 07:30 AM
Sunset 05:48 PM
Wind N 4 mph6 km/h
Dew Point 23°F-5°C
uv Index 1
Barometric Pressure 30.3 in1026 mb
POP 13% *
Humidity 55%
Fri, 30th
Mason SD Weather - Friday, Oct 30, 2026 - Partly Cloudy
Hi: 42°F 6°C
Lo: 29°F -2°C
Sunrise 07:31 AM
Sunset 05:47 PM
Wind ESE 13 mph21 km/h
Dew Point 30°F-1°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 7% *
Humidity 62%
Sat, 31st
Mason SD Weather - Saturday, Oct 31, 2026 - Sunny
Hi: 47°F 8°C
Lo: 33°F 1°C
Sunrise 07:33 AM
Sunset 05:46 PM
Wind NW 11 mph17 km/h
Dew Point 28°F-2°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 48%
Sun, 1st
Mason SD Weather - Sunday, Nov 1, 2026 - Patchy Rain Nearby
Hi: 43°F 6°C
Lo: 31°F -0°C
Sunrise 07:34 AM
Sunset 05:44 PM
Wind WNW 6 mph9 km/h
Dew Point 30°F-1°C
uv Index 2
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 62%
Mon, 2nd
Mason SD Weather - Monday, Nov 2, 2026 - Sunny
Hi: 46°F 8°C
Lo: 32°F -0°C
Sunrise 06:35 AM
Sunset 04:42 PM
Wind NW 6 mph10 km/h
Dew Point 32°F-0°C
uv Index 3
Barometric Pressure 30.21 in1023 mb
POP 5% *
Humidity 59%
Tue, 3rd
Mason SD Weather - Tuesday, Nov 3, 2026 - Partly Cloudy
Hi: 50°F 10°C
Lo: 32°F 0°C
Sunrise 06:36 AM
Sunset 04:41 PM
Wind NNW 2 mph4 km/h
Dew Point 31°F-0°C
uv Index 3
Barometric Pressure 30.33 in1027 mb
POP 3% *
Humidity 49%
Wed, 4th
Mason SD Weather - Wednesday, Nov 4, 2026 - Partly Cloudy
Hi: 59°F 15°C
Lo: 36°F 2°C
Sunrise 06:38 AM
Sunset 04:40 PM
Wind W 4 mph7 km/h
Dew Point 29°F-2°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 6% *
Humidity 32%
* POP = Probability of Precipitation. Data for 12:00 PM.