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Trojan SD Weather - Clear - 89°F
Clear
89°F
Updated 1:08 pm
Feels Like 82°F
Humidity 29%
Wind E 9 mph
Barometer  29.97 in
Dew Point 53°F
Trojan SD Weather - Clear - 32°C
Clear
32°C
Updated 1:08 pm
Feels Like 28°C
Humidity 29%
Wind E 14 km/h
Barometer  101.4 kPa
Dew Point 12°C
Trojan, SD Weather and Current Conditionstrojan sd weather forecast

Trojan, SD Weather Forecast

Trojan South Dakota WeatherTrojan, South Dakota Weather Weather Forecast
14 day API weather forecast for Trojan, South Dakota. Note: The 7-day weather forecast for Trojan, SD is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Trojan, SD Weather Forecast Dated: 108 PM Sun Sep 06 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. comfortable humidity and no major pressure swings will dominate.

Sunday, September 6, 2026

Mid-Morning
Trojan Weather - 2026-09-06 - Morning - Sunny
78°F 26°C
Sunny
Mid-Afternoon
Trojan Weather - 2026-09-06 - Afternoon - Partly Cloudy
73°F 23°C
Partly Cloudy
Early-Evening
Trojan Weather - 2026-09-06 - Evening - Nearby Thunderstorms
73°F 23°C
Nearby Thunderstorms
Pleasant near 73°F 23°C, periods of heavy thunderstorms, with increasing humidity and steady pressure. Winds picking up from SSW at 2 mph 3 km/h to SSW at 11 mph 18 km/h. Gusts up to 23 mph 37 km/h.

Monday, September 7, 2026

Mid-Morning
Trojan Weather - 2026-09-07 - Morning - Overcast
69°F 21°C
Overcast
Mid-Afternoon
Trojan Weather - 2026-09-07 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Trojan Weather - 2026-09-07 - Evening - Sunny
75°F 24°C
Sunny
Balmy with temperatures reaching 81°F 27°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the WSW at 15 mph 24 km/h. Gusts up to 29 mph 47 km/h.

Tuesday, September 8, 2026

Mid-Morning
Trojan Weather - 2026-09-08 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Trojan Weather - 2026-09-08 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Trojan Weather - 2026-09-08 - Evening - Sunny
62°F 17°C
Sunny
Enjoyable around 72°F 22°C, sunny throughout the day, with lower humidity and steady pressure. Winds decreasing from NW 16 mph 26 km/h to WNW 6 mph 11 km/h.

Wednesday, September 9, 2026

Mid-Morning
Trojan Weather - 2026-09-09 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Trojan Weather - 2026-09-09 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Trojan Weather - 2026-09-09 - Evening - Overcast
66°F 19°C
Overcast
Mild temperatures up to 76°F 24°C, overcast throughout the day, with steady humidity and barometric pressure falling.

Thursday, September 10, 2026

Mid-Morning
Trojan Weather - 2026-09-10 - Morning - Overcast
69°F 21°C
Overcast
Mid-Afternoon
Trojan Weather - 2026-09-10 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Trojan Weather - 2026-09-10 - Evening - Sunny
71°F 22°C
Sunny
Very warm with a high of 81°F 27°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the NNW to the W at 5 mph 9 km/h.

Friday, September 11, 2026

Mid-Morning
Trojan Weather - 2026-09-11 - Morning - Cloudy
71°F 22°C
Cloudy
Mid-Afternoon
Trojan Weather - 2026-09-11 - Afternoon - Sunny
69°F 20°C
Sunny
Early-Evening
Trojan Weather - 2026-09-11 - Evening - Partly Cloudy
53°F 12°C
Partly Cloudy
Pleasant near 69°F 20°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with increasing humidity and barometric pressure rising. Winds shifting from the WNW to the NNW at 10 mph 17 km/h.

Saturday, September 12, 2026

Mid-Morning
Trojan Weather - 2026-09-12 - Morning - Light Fog
41°F 5°C
Light Fog
Mid-Afternoon
Trojan Weather - 2026-09-12 - Afternoon - Light Showers
39°F 4°C
Light Showers
Early-Evening
Trojan Weather - 2026-09-12 - Evening - Light Sleet Showers
38°F 4°C
Light Sleet Showers
Nippy around 39°F 4°C, drier morning followed by showers lasting through evening, with steady humidity and barometric pressure rising.

Sunday, September 13, 2026

Mid-Morning
Trojan Weather - 2026-09-13 - Morning - Sunny
43°F 6°C
Sunny
Mid-Afternoon
Trojan Weather - 2026-09-13 - Afternoon - Cloudy
57°F 14°C
Cloudy
Early-Evening
Trojan Weather - 2026-09-13 - Evening - Sunny
46°F 8°C
Sunny
Crisp with a high near 57°F 14°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.

Monday, September 14, 2026

Mid-Morning
Trojan Weather - 2026-09-14 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Trojan Weather - 2026-09-14 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Trojan Weather - 2026-09-14 - Evening - Sunny
58°F 15°C
Sunny
Mild temperatures up to 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure.

Tuesday, September 15, 2026

Mid-Morning
Trojan Weather - 2026-09-15 - Morning - Scattered Showers
73°F 23°C
Scattered Showers
Mid-Afternoon
Trojan Weather - 2026-09-15 - Afternoon - Partly Cloudy
85°F 29°C
Partly Cloudy
Early-Evening
Trojan Weather - 2026-09-15 - Evening - Cloudy
75°F 24°C
Cloudy
Very warm with a high of 85°F 29°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the W to the SW at 9 mph 15 km/h. Gusts up to 22 mph 35 km/h.

Wednesday, September 16, 2026

Mid-Morning
Trojan Weather - 2026-09-16 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Trojan Weather - 2026-09-16 - Afternoon - Cloudy
81°F 27°C
Cloudy
Early-Evening
Trojan Weather - 2026-09-16 - Evening - Partly Cloudy
69°F 21°C
Partly Cloudy
Warm and summery near 81°F 27°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the NNW to the S at 8 mph 13 km/h.

Thursday, September 17, 2026

Mid-Morning
Trojan Weather - 2026-09-17 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Trojan Weather - 2026-09-17 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Trojan Weather - 2026-09-17 - Evening - Partly Cloudy
65°F 18°C
Partly Cloudy
Comfortable with temperatures reaching 77°F 25°C, overcast through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds tapering down from W 15 mph 24 km/h to S 5 mph 8 km/h.

Friday, September 18, 2026

Mid-Morning
Trojan Weather - 2026-09-18 - Morning - Nearby Thunderstorms
69°F 21°C
Nearby Thunderstorms
Mid-Afternoon
Trojan Weather - 2026-09-18 - Afternoon - Light Showers
71°F 22°C
Light Showers
Early-Evening
Trojan Weather - 2026-09-18 - Evening - Overcast
60°F 15°C
Overcast
Enjoyable around 71°F 22°C, periods of heavy thunderstorms, with increasing humidity and steady pressure. Winds swinging from the SSW to the S at 9 mph 14 km/h. Gusts up to 25 mph 39 km/h.

Saturday, September 19, 2026

Mid-Morning
Trojan Weather - 2026-09-19 - Morning - Blizzard
33°F 0°C
Blizzard
Mid-Afternoon
Trojan Weather - 2026-09-19 - Afternoon - Overcast
38°F 4°C
Overcast
Early-Evening
Trojan Weather - 2026-09-19 - Evening - Sunny
38°F 4°C
Sunny
Biting cold near 38°F 4°C, patchy blowing snow and gusty conditions, with lower humidity and barometric pressure rising. Winds easing from W 30 mph 49 km/h to W 12 mph 19 km/h. Gusts up to 29 mph 47 km/h.

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Weather by the Numbers

Sun, 6th
Trojan SD Weather - Sunday, Sep 6, 2026 - Thundery Outbreaks In Nearby
Hi: 89°F 31°C
Lo: 61°F 16°C
Sunrise 06:24 AM
Sunset 07:22 PM
Wind E 8 mph12 km/h
Dew Point 41°F5°C
uv Index 7
Barometric Pressure 29.8 in1009 mb
POP 5% *
Humidity 20%
Mon, 7th
Trojan SD Weather - Monday, Sep 7, 2026 - Overcast
Hi: 81°F 27°C
Lo: 59°F 15°C
Sunrise 06:25 AM
Sunset 07:20 PM
Wind WSW 16 mph26 km/h
Dew Point 42°F6°C
uv Index 5
Barometric Pressure 29.68 in1005 mb
POP 9% *
Humidity 29%
Tue, 8th
Trojan SD Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 72°F 22°C
Lo: 49°F 9°C
Sunrise 06:26 AM
Sunset 07:19 PM
Wind WNW 11 mph17 km/h
Dew Point 31°F-1°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 0% *
Humidity 25%
Wed, 9th
Trojan SD Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 76°F 25°C
Lo: 47°F 8°C
Sunrise 06:27 AM
Sunset 07:17 PM
Wind SW 6 mph10 km/h
Dew Point 30°F-1°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 9% *
Humidity 19%
Thu, 10th
Trojan SD Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 83°F 28°C
Lo: 54°F 12°C
Sunrise 06:28 AM
Sunset 07:15 PM
Wind WSW 9 mph15 km/h
Dew Point 21°F-6°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 0% *
Humidity 12%
Fri, 11th
Trojan SD Weather - Friday, Sep 11, 2026 - Sunny
Hi: 74°F 24°C
Lo: 44°F 7°C
Sunrise 06:29 AM
Sunset 07:13 PM
Wind NW 15 mph24 km/h
Dew Point 27°F-3°C
uv Index 6
Barometric Pressure 29.68 in1005 mb
POP 0% *
Humidity 17%
Sat, 12th
Trojan SD Weather - Saturday, Sep 12, 2026 - Light Rain Shower
Hi: 42°F 6°C
Lo: 37°F 3°C
Sunrise 06:31 AM
Sunset 07:11 PM
Wind ENE 5 mph9 km/h
Dew Point 39°F4°C
uv Index 1
Barometric Pressure 29.97 in1015 mb
POP 55% *
Humidity 98%
Sun, 13th
Trojan SD Weather - Sunday, Sep 13, 2026 - Partly Cloudy
Hi: 57°F 14°C
Lo: 33°F 1°C
Sunrise 06:32 AM
Sunset 07:09 PM
Wind NNE 4 mph7 km/h
Dew Point 28°F-2°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 4% *
Humidity 37%
Mon, 14th
Trojan SD Weather - Monday, Sep 14, 2026 - Sunny
Hi: 71°F 22°C
Lo: 39°F 4°C
Sunrise 06:33 AM
Sunset 07:07 PM
Wind N 1 mph1 km/h
Dew Point 23°F-5°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 0% *
Humidity 17%
Tue, 15th
Trojan SD Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 85°F 29°C
Lo: 52°F 11°C
Sunrise 06:34 AM
Sunset 07:05 PM
Wind W 10 mph16 km/h
Dew Point 41°F5°C
uv Index 7
Barometric Pressure 29.74 in1007 mb
POP 3% *
Humidity 22%
Wed, 16th
Trojan SD Weather - Wednesday, Sep 16, 2026 - Partly Cloudy
Hi: 81°F 27°C
Lo: 58°F 14°C
Sunrise 06:35 AM
Sunset 07:03 PM
Wind N 4 mph6 km/h
Dew Point 36°F2°C
uv Index 7
Barometric Pressure 29.8 in1009 mb
POP 3% *
Humidity 21%
Thu, 17th
Trojan SD Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 77°F 25°C
Lo: 57°F 14°C
Sunrise 06:36 AM
Sunset 07:02 PM
Wind W 9 mph15 km/h
Dew Point 41°F5°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 1% *
Humidity 29%
Fri, 18th
Trojan SD Weather - Friday, Sep 18, 2026 - Overcast
Hi: 76°F 25°C
Lo: 56°F 13°C
Sunrise 06:37 AM
Sunset 07:00 PM
Wind S 14 mph23 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 29.68 in1005 mb
POP 10% *
Humidity 34%
Sat, 19th
Trojan SD Weather - Saturday, Sep 19, 2026 - Blowing Snow
Hi: 56°F 13°C
Lo: 33°F 0°C
Sunrise 06:39 AM
Sunset 06:58 PM
Wind WNW 31 mph49 km/h
Dew Point 33°F0°C
uv Index 1
Barometric Pressure 30.06 in1018 mb
POP 39% *
Humidity 93%
* POP = Probability of Precipitation. Data for 12:00 PM.