What is the weather in Roslyn right now?

Current weather in Roslyn is clear sky.

Where can I find the hourly weather forecast for Roslyn?

This page shows hourly weather forecast for Roslyn, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Roslyn updated regularly?

Weather data for Roslyn is updated regularly with the latest available observations and forecasts.

Now · 10:22 AM

Roslyn Weather & Hourly Forecast

United States · South Dakota · 57261

69°F

Sunny

Feels like: 69°F

💧 Humidity 71% 🌡 Pressure 29.88 inHg 💨 Wind 9 mph 👁 Visibility 6.2 mi ☁ Clouds 3% ☀️ UV index 2.3 · Low 🌅 Sunrise 6:52 AM 🌇 Sunset 8:06 PM

Hourly Forecast for Roslyn

Today

11:00 AM

Sunny

69° 💧 None 💨 9 mph H 71%29.88 inHg

2:00 PM

Mostly sunny

75° 💧 None 💨 10 mph H 52%29.83 inHg

5:00 PM

Partly cloudy

80° 💧 0.00 in 💨 7 mph H 33%29.71 inHg

8:00 PM

Light rain

72° 💧 0.01 in 💨 10 mph H 82%29.74 inHg

11:00 PM

Clear night

68° 💧 None 💨 10 mph H 85%29.77 inHg

Tomorrow

2:00 AM

Overcast night

63° 💧 None 💨 11 mph H 82%29.77 inHg

5:00 AM

Overcast night

59° 💧 None 💨 10 mph H 88%29.71 inHg

8:00 AM

Overcast

62° 💧 None 💨 8 mph H 77%29.74 inHg

11:00 AM

Overcast

78° 💧 None 💨 8 mph H 31%29.68 inHg

2:00 PM

Mostly sunny

89° 💧 None 💨 13 mph H 15%29.65 inHg

5:00 PM

Mostly sunny

91° 💧 None 💨 16 mph H 15%29.62 inHg

8:00 PM

Sunny

82° 💧 None 💨 8 mph H 23%29.62 inHg

11:00 PM

Clear night

74° 💧 None 💨 3 mph H 30%29.71 inHg

Friday

2:00 AM

Clear night

74° 💧 None 💨 9 mph H 32%29.71 inHg

5:00 AM

Clear night

70° 💧 None 💨 7 mph H 37%29.74 inHg

8:00 AM

Sunny

74° 💧 None 💨 6 mph H 35%29.80 inHg

Today

11:00 AM

Sunny

69° 💧 None 💨 9 mph H 71%29.88 inHg

12:00 PM

Sunny

71° 💧 None 💨 11 mph H 65%29.88 inHg

1:00 PM

Sunny

72° 💧 None 💨 11 mph H 59%29.85 inHg

2:00 PM

Mostly sunny

75° 💧 None 💨 10 mph H 52%29.83 inHg

3:00 PM

Partly cloudy

78° 💧 None 💨 9 mph H 45%29.80 inHg

4:00 PM

Mostly cloudy

80° 💧 None 💨 8 mph H 37%29.74 inHg

5:00 PM

Partly cloudy

80° 💧 None 💨 7 mph H 33%29.71 inHg

6:00 PM

Partly cloudy

79° 💧 None 💨 5 mph H 31%29.71 inHg

7:00 PM

Light rain

78° 💧 0.00 in 💨 15 mph H 48%29.71 inHg

8:00 PM

Light rain

72° 💧 0.01 in 💨 10 mph H 82%29.74 inHg

9:00 PM

Clear night

70° 💧 None 💨 10 mph H 88%29.77 inHg

10:00 PM

Clear night

70° 💧 None 💨 10 mph H 86%29.77 inHg

11:00 PM

Clear night

68° 💧 None 💨 10 mph H 85%29.77 inHg

Tomorrow

12:00 AM

Partly cloudy night

68° 💧 None 💨 9 mph H 86%29.77 inHg

1:00 AM

Partly cloudy night

63° 💧 None 💨 10 mph H 86%29.77 inHg

2:00 AM

Overcast night

63° 💧 None 💨 11 mph H 82%29.77 inHg

3:00 AM

Overcast night

62° 💧 None 💨 10 mph H 85%29.74 inHg

4:00 AM

Overcast night

60° 💧 None 💨 11 mph H 86%29.71 inHg

5:00 AM

Overcast night

59° 💧 None 💨 10 mph H 88%29.71 inHg

6:00 AM

Overcast night

57° 💧 None 💨 9 mph H 89%29.74 inHg

7:00 AM

Overcast

57° 💧 None 💨 9 mph H 87%29.71 inHg

8:00 AM

Overcast

62° 💧 None 💨 8 mph H 77%29.74 inHg

9:00 AM

Overcast

68° 💧 None 💨 8 mph H 58%29.71 inHg

10:00 AM

Overcast

73° 💧 None 💨 9 mph H 40%29.68 inHg

11:00 AM

Overcast

78° 💧 None 💨 8 mph H 31%29.68 inHg

12:00 PM

Overcast

83° 💧 None 💨 9 mph H 23%29.68 inHg

1:00 PM

Overcast

86° 💧 None 💨 11 mph H 17%29.65 inHg

2:00 PM

Mostly sunny

89° 💧 None 💨 13 mph H 15%29.65 inHg

3:00 PM

Mostly sunny

91° 💧 None 💨 14 mph H 15%29.62 inHg

4:00 PM

Mostly sunny

92° 💧 None 💨 16 mph H 15%29.62 inHg

5:00 PM

Mostly sunny

91° 💧 None 💨 16 mph H 15%29.62 inHg

6:00 PM

Mostly sunny

90° 💧 None 💨 15 mph H 16%29.59 inHg

7:00 PM

Mostly sunny

88° 💧 None 💨 12 mph H 17%29.59 inHg

8:00 PM

Sunny

82° 💧 None 💨 8 mph H 23%29.62 inHg

9:00 PM

Clear night

77° 💧 None 💨 6 mph H 27%29.65 inHg

10:00 PM

Clear night

76° 💧 None 💨 4 mph H 29%29.68 inHg

11:00 PM

Clear night

74° 💧 None 💨 3 mph H 30%29.71 inHg

Friday

12:00 AM

Clear night

72° 💧 None 💨 2 mph H 28%29.71 inHg

1:00 AM

Clear night

66° 💧 None 💨 7 mph H 28%29.71 inHg

2:00 AM

Clear night

74° 💧 None 💨 9 mph H 32%29.71 inHg

3:00 AM

Clear night

73° 💧 None 💨 9 mph H 36%29.74 inHg

4:00 AM

Clear night

70° 💧 None 💨 7 mph H 38%29.74 inHg

5:00 AM

Clear night

70° 💧 None 💨 7 mph H 37%29.74 inHg

6:00 AM

Clear night

71° 💧 None 💨 6 mph H 35%29.77 inHg

7:00 AM

Sunny

70° 💧 None 💨 7 mph H 36%29.77 inHg

8:00 AM

Sunny

74° 💧 None 💨 6 mph H 35%29.80 inHg

9:00 AM

Sunny

83° 💧 None 💨 6 mph H 30%29.77 inHg

10:00 AM

Sunny

89° 💧 None 💨 7 mph H 27%29.77 inHg

11:00 AM

Sunny

93° 💧 None 💨 8 mph H 25%29.80 inHg

12:00 PM

Sunny

96° 💧 None 💨 9 mph H 22%29.77 inHg

1:00 PM

Sunny

100° 💧 None 💨 9 mph H 18%29.77 inHg

2:00 PM

Sunny

102° 💧 None 💨 10 mph H 15%29.74 inHg

3:00 PM

Sunny

104° 💧 None 💨 11 mph H 13%29.74 inHg

4:00 PM

Sunny

104° 💧 None 💨 11 mph H 11%29.71 inHg

5:00 PM

Sunny

104° 💧 None 💨 11 mph H 11%29.71 inHg

6:00 PM

Sunny

102° 💧 None 💨 14 mph H 13%29.71 inHg

7:00 PM

Sunny

99° 💧 None 💨 14 mph H 15%29.71 inHg

8:00 PM

Sunny

89° 💧 None 💨 9 mph H 22%29.74 inHg

9:00 PM

Clear night

84° 💧 None 💨 10 mph H 26%29.77 inHg

10:00 PM

Clear night

82° 💧 None 💨 9 mph H 29%29.77 inHg

11:00 PM

Clear night

80° 💧 None 💨 10 mph H 31%29.77 inHg

Saturday

12:00 AM

Mostly clear night

82° 💧 None 💨 14 mph H 35%29.80 inHg

1:00 AM

Partly cloudy night

81° 💧 None 💨 18 mph H 46%29.83 inHg

2:00 AM

Overcast night

78° 💧 None 💨 13 mph H 55%29.83 inHg

3:00 AM

Overcast night

76° 💧 None 💨 13 mph H 60%29.80 inHg

4:00 AM

Mostly cloudy night

74° 💧 None 💨 12 mph H 62%29.80 inHg

5:00 AM

Mostly cloudy night

71° 💧 None 💨 10 mph H 64%29.83 inHg

6:00 AM

Partly cloudy night

70° 💧 None 💨 8 mph H 66%29.83 inHg

7:00 AM

Partly cloudy

71° 💧 None 💨 8 mph H 66%29.83 inHg

8:00 AM

Sunny

75° 💧 None 💨 6 mph H 60%29.83 inHg

9:00 AM

Sunny

83° 💧 None 💨 9 mph H 45%29.83 inHg

10:00 AM

Mostly sunny

89° 💧 None 💨 9 mph H 37%29.83 inHg

11:00 AM

Mostly sunny

94° 💧 None 💨 12 mph H 30%29.80 inHg

12:00 PM

Mostly sunny

97° 💧 None 💨 13 mph H 25%29.80 inHg

1:00 PM

Mostly sunny

100° 💧 None 💨 13 mph H 22%29.77 inHg

2:00 PM

Sunny

103° 💧 None 💨 16 mph H 20%29.74 inHg

3:00 PM

Sunny

104° 💧 None 💨 16 mph H 19%29.71 inHg

4:00 PM

Sunny

104° 💧 None 💨 18 mph H 20%29.71 inHg

5:00 PM

Sunny

103° 💧 None 💨 17 mph H 21%29.71 inHg

6:00 PM

Sunny

102° 💧 None 💨 16 mph H 22%29.71 inHg

7:00 PM

Sunny

100° 💧 None 💨 17 mph H 23%29.68 inHg

8:00 PM

Light rain

89° 💧 0.01 in 💨 12 mph H 35%29.71 inHg

9:00 PM

Light rain

81° 💧 0.01 in 💨 12 mph H 48%29.74 inHg

10:00 PM

Light rain

75° 💧 0.03 in 💨 11 mph H 65%29.80 inHg

11:00 PM

Moderate rain

72° 💧 0.11 in 💨 15 mph H 75%29.83 inHg

Sunday

12:00 AM

Light rain

73° 💧 0.01 in 💨 20 mph H 73%29.83 inHg

1:00 AM

Mostly clear night

73° 💧 None 💨 17 mph H 73%29.83 inHg

2:00 AM

Clear night

72° 💧 None 💨 13 mph H 75%29.80 inHg

3:00 AM

Clear night

72° 💧 None 💨 12 mph H 74%29.80 inHg

4:00 AM

Clear night

73° 💧 None 💨 12 mph H 70%29.80 inHg

5:00 AM

Clear night

73° 💧 None 💨 10 mph H 65%29.80 inHg

6:00 AM

Clear night

74° 💧 None 💨 9 mph H 62%29.77 inHg

7:00 AM

Sunny

74° 💧 None 💨 8 mph H 60%29.77 inHg

8:00 AM

Sunny

77° 💧 None 💨 8 mph H 53%29.80 inHg

9:00 AM

Sunny

84° 💧 None 💨 8 mph H 41%29.80 inHg

10:00 AM

Sunny

90° 💧 None 💨 4 mph H 33%29.80 inHg

In Roslyn and, more broadly, across the state of South Dakota: The rest of the day will feature clear skies with mild to warm temperatures ranging from 71 to 84 degrees Fahrenheit. Light southeast winds will prevail, with speeds reaching up to 7 mph and gusts up to 9 mph. No precipitation is expected, making for a calm and pleasant afternoon. Conditions will remain stable with plenty of sunshine, providing ideal weather for outdoor activities. As evening approaches, temperatures will gradually stay mild, and the light breeze will continue. Overall, it’ll be a warm and clear day with comfortable conditions.

15-Day Weather Outlook for Roslyn

TomorrowTomorrow

Overcast 92°/57° 💧 None 💨 16 mph

Friday, Sep 4Fri Sep 4

Sunny 107°/66° 💧 None 💨 12 mph

Saturday, Sep 5Sat Sep 5

Light rain 103°/72° 💧 0.00 in 💨 16 mph

Sunday, Sep 6Sun Sep 6

Light rain 94°/73° 💧 0.04 in 💨 10 mph

Monday, Sep 7Mon Sep 7

Light rain 92°/69° 💧 0.19 in 💨 19 mph

Tuesday, Sep 8Tue Sep 8

Mostly cloudy 85°/69° 💧 None 💨 23 mph

Wednesday, Sep 9Wed Sep 9

Partly cloudy 77°/54° 💧 None 💨 22 mph

Thursday, Sep 10Thu Sep 10

Light rain 78°/56° 💧 0.09 in 💨 13 mph

Friday, Sep 11Fri Sep 11

Light rain 91°/60° 💧 0.07 in 💨 19 mph

Saturday, Sep 12Sat Sep 12

Moderate rain 89°/61° 💧 0.40 in 💨 21 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 81°/59° 💧 None 💨 17 mph

Monday, Sep 14Mon Sep 14

Sunny 76°/54° 💧 None 💨 14 mph

Tuesday, Sep 15Tue Sep 15

Sunny 82°/56° 💧 None 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 86°/54° 💧 None 💨 20 mph

Thursday, Sep 17Thu Sep 17

Light rain 88°/71° 💧 0.03 in 💨 23 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Roslyn

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Roslyn

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 3,0µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 3,1µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 56,6µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Roslyn

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,8High 😊Good

Tomorrow UV 6,3High 🙂Fair

Friday UV 6,6High 🙂Fair

Saturday UV 6,8High 🙂Fair

Sunday UV 8,0Very high 🙂Fair

Monday UV 3,0Moderate —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

11:00 AMUV 4,1 12:00 PMUV 5,7 1:00 PMUV 6,8 2:00 PMUV 6,8 3:00 PMUV 5,9 4:00 PMUV 4,2 5:00 PMUV 2,5 6:00 PMUV 1,1 7:00 PMUV 0,2

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Roslyn

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.29 Population: 147

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Forecast data for Roslyn were last refreshed today at 10:22 AM. The current forecast period extends through 04/09/2026 at 8:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.