What is the weather in Westport right now?

Current weather in Westport is overcast clouds.

Where can I find the hourly weather forecast for Westport?

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

Is the weather forecast for Westport updated regularly?

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

Now · 10:26 AM

Westport Weather & Hourly Forecast

United States · South Dakota · 57481

77°F

Overcast

Feels like: 75°F

💧 Humidity 47% 🌡 Pressure 29.88 inHg 💨 Wind 7 mph 👁 Visibility 32.0 mi ☁ Clouds 98% ☀️ UV index 1.9 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Westport

Today

11:00 AM

Mostly cloudy

82° 💧 0.000 in 💨 12 mph H 25%29.91 inHg

2:00 PM

Partly cloudy

85° 💧 None 💨 16 mph H 18%29.88 inHg

5:00 PM

Sunny

85° 💧 None 💨 18 mph H 21%29.88 inHg

8:00 PM

Sunny

77° 💧 None 💨 8 mph H 33%29.91 inHg

11:00 PM

Clear night

69° 💧 None 💨 3 mph H 52%30.00 inHg

Tomorrow

2:00 AM

Clear night

64° 💧 None 💨 4 mph H 62%30.00 inHg

5:00 AM

Clear night

65° 💧 None 💨 5 mph H 59%30.03 inHg

8:00 AM

Sunny

64° 💧 None 💨 11 mph H 55%30.06 inHg

11:00 AM

Sunny

71° 💧 None 💨 16 mph H 47%30.09 inHg

2:00 PM

Partly cloudy

76° 💧 None 💨 14 mph H 36%30.06 inHg

5:00 PM

Sunny

78° 💧 None 💨 12 mph H 32%30.00 inHg

8:00 PM

Clear night

72° 💧 None 💨 7 mph H 38%30.00 inHg

11:00 PM

Clear night

65° 💧 None 💨 2 mph H 53%30.03 inHg

Thursday

2:00 AM

Clear night

62° 💧 None 💨 4 mph H 60%30.03 inHg

5:00 AM

Clear night

59° 💧 None 💨 4 mph H 67%30.00 inHg

8:00 AM

Sunny

60° 💧 None 💨 6 mph H 62%30.00 inHg

Today

11:00 AM

Mostly cloudy

82° 💧 0.000 in 💨 12 mph H 25%29.91 inHg

12:00 PM

Overcast

83° 💧 None 💨 14 mph H 19%29.91 inHg

1:00 PM

Partly cloudy

85° 💧 None 💨 14 mph H 18%29.88 inHg

2:00 PM

Partly cloudy

85° 💧 None 💨 16 mph H 18%29.88 inHg

3:00 PM

Mostly cloudy

86° 💧 None 💨 16 mph H 19%29.88 inHg

4:00 PM

Sunny

86° 💧 None 💨 17 mph H 19%29.88 inHg

5:00 PM

Sunny

85° 💧 None 💨 18 mph H 21%29.88 inHg

6:00 PM

Sunny

82° 💧 None 💨 17 mph H 26%29.88 inHg

7:00 PM

Sunny

80° 💧 None 💨 13 mph H 30%29.91 inHg

8:00 PM

Sunny

77° 💧 None 💨 8 mph H 33%29.91 inHg

9:00 PM

Clear night

74° 💧 None 💨 8 mph H 39%29.94 inHg

10:00 PM

Clear night

71° 💧 None 💨 5 mph H 46%29.97 inHg

11:00 PM

Clear night

69° 💧 None 💨 3 mph H 52%30.00 inHg

Tomorrow

12:00 AM

Clear night

67° 💧 None 💨 3 mph H 55%30.00 inHg

1:00 AM

Clear night

65° 💧 None 💨 4 mph H 59%30.00 inHg

2:00 AM

Clear night

64° 💧 None 💨 4 mph H 62%30.00 inHg

3:00 AM

Clear night

65° 💧 None 💨 9 mph H 60%30.03 inHg

4:00 AM

Clear night

66° 💧 None 💨 10 mph H 56%30.03 inHg

5:00 AM

Clear night

65° 💧 None 💨 5 mph H 59%30.03 inHg

6:00 AM

Mostly clear night

63° 💧 None 💨 6 mph H 60%30.03 inHg

7:00 AM

Mostly clear night

63° 💧 None 💨 9 mph H 58%30.03 inHg

8:00 AM

Sunny

64° 💧 None 💨 11 mph H 55%30.06 inHg

9:00 AM

Sunny

67° 💧 None 💨 12 mph H 54%30.09 inHg

10:00 AM

Sunny

69° 💧 None 💨 16 mph H 50%30.09 inHg

11:00 AM

Sunny

71° 💧 None 💨 16 mph H 47%30.09 inHg

12:00 PM

Partly cloudy

74° 💧 None 💨 15 mph H 39%30.09 inHg

1:00 PM

Partly cloudy

76° 💧 None 💨 15 mph H 35%30.06 inHg

2:00 PM

Partly cloudy

76° 💧 None 💨 14 mph H 36%30.06 inHg

3:00 PM

Sunny

78° 💧 None 💨 13 mph H 33%30.03 inHg

4:00 PM

Sunny

78° 💧 None 💨 13 mph H 31%30.03 inHg

5:00 PM

Sunny

78° 💧 None 💨 12 mph H 32%30.00 inHg

6:00 PM

Sunny

77° 💧 None 💨 11 mph H 31%30.00 inHg

7:00 PM

Sunny

76° 💧 None 💨 11 mph H 33%30.00 inHg

8:00 PM

Clear night

72° 💧 None 💨 7 mph H 38%30.00 inHg

9:00 PM

Clear night

70° 💧 None 💨 5 mph H 44%30.03 inHg

10:00 PM

Clear night

67° 💧 None 💨 4 mph H 49%30.03 inHg

11:00 PM

Clear night

65° 💧 None 💨 2 mph H 53%30.03 inHg

Thursday

12:00 AM

Clear night

64° 💧 None 💨 1 mph H 56%30.03 inHg

1:00 AM

Clear night

63° 💧 None 💨 3 mph H 58%30.03 inHg

2:00 AM

Clear night

62° 💧 None 💨 4 mph H 60%30.03 inHg

3:00 AM

Clear night

61° 💧 None 💨 4 mph H 61%30.03 inHg

4:00 AM

Clear night

60° 💧 None 💨 4 mph H 63%30.00 inHg

5:00 AM

Clear night

59° 💧 None 💨 4 mph H 67%30.00 inHg

6:00 AM

Clear night

59° 💧 None 💨 5 mph H 68%30.00 inHg

7:00 AM

Clear night

58° 💧 None 💨 4 mph H 70%30.00 inHg

8:00 AM

Sunny

60° 💧 None 💨 6 mph H 62%30.00 inHg

9:00 AM

Sunny

66° 💧 None 💨 5 mph H 50%29.97 inHg

10:00 AM

Mostly sunny

72° 💧 None 💨 6 mph H 39%29.97 inHg

11:00 AM

Mostly sunny

77° 💧 None 💨 8 mph H 32%29.94 inHg

12:00 PM

Mostly sunny

82° 💧 None 💨 10 mph H 26%29.91 inHg

1:00 PM

Sunny

85° 💧 None 💨 13 mph H 23%29.88 inHg

2:00 PM

Mostly sunny

88° 💧 None 💨 13 mph H 20%29.85 inHg

3:00 PM

Mostly sunny

89° 💧 None 💨 12 mph H 17%29.83 inHg

4:00 PM

Partly cloudy

90° 💧 None 💨 11 mph H 16%29.80 inHg

5:00 PM

Sunny

90° 💧 None 💨 11 mph H 15%29.77 inHg

6:00 PM

Sunny

89° 💧 None 💨 10 mph H 16%29.74 inHg

7:00 PM

Sunny

87° 💧 None 💨 9 mph H 25%29.71 inHg

Friday

4:00 AM

Clear night

71° 💧 None 💨 12 mph H 52%29.65 inHg

7:00 AM

Clear night

69° 💧 None 💨 11 mph H 59%29.62 inHg

10:00 AM

Mostly sunny

75° 💧 None 💨 12 mph H 54%29.56 inHg

1:00 PM

Partly cloudy

86° 💧 None 💨 8 mph H 45%29.50 inHg

4:00 PM

Mostly sunny

91° 💧 None 💨 6 mph H 36%29.44 inHg

7:00 PM

Partly cloudy

84° 💧 None 💨 22 mph H 39%29.53 inHg

10:00 PM

Partly cloudy night

71° 💧 None 💨 16 mph H 47%29.71 inHg

Saturday

1:00 AM

Clear night

64° 💧 None 💨 14 mph H 51%29.85 inHg

4:00 AM

Clear night

60° 💧 None 💨 5 mph H 60%29.91 inHg

7:00 AM

Clear night

57° 💧 None 💨 9 mph H 66%29.97 inHg

10:00 AM

Partly cloudy

63° 💧 None 💨 12 mph H 49%30.00 inHg

1:00 PM

Sunny

71° 💧 None 💨 9 mph H 33%30.06 inHg

4:00 PM

Mostly sunny

74° 💧 None 💨 10 mph H 29%30.03 inHg

7:00 PM

Mostly sunny

71° 💧 None 💨 7 mph H 33%30.03 inHg

10:00 PM

Overcast night

64° 💧 None 💨 7 mph H 43%30.06 inHg

Sunday

1:00 AM

Mostly cloudy night

60° 💧 None 💨 8 mph H 51%30.06 inHg

4:00 AM

Mostly cloudy night

57° 💧 None 💨 9 mph H 57%30.09 inHg

7:00 AM

Light rain

53° 💧 None 💨 12 mph H 81%30.06 inHg

10:00 AM

Light rain

56° 💧 None 💨 10 mph H 85%30.00 inHg

1:00 PM

Moderate rain

62° 💧 None 💨 20 mph H 67%29.88 inHg

4:00 PM

Light rain

59° 💧 None 💨 16 mph H 89%29.85 inHg

7:00 PM

Overcast

58° 💧 None 💨 18 mph H 92%29.77 inHg

10:00 PM

Light rain

61° 💧 None 💨 12 mph H 90%29.74 inHg

Monday

1:00 AM

Moderate rain

59° 💧 None 💨 12 mph H 93%29.77 inHg

7:00 AM

Overcast night

61° 💧 None 💨 13 mph H 65%29.97 inHg

1:00 PM

Light rain

56° 💧 None 💨 6 mph H 91%29.91 inHg

7:00 PM

Overcast

63° 💧 None 💨 9 mph H 73%29.85 inHg

Tuesday

1:00 AM

Clear night

66° 💧 None 💨 17 mph H 46%29.83 inHg

7:00 AM

Clear night

57° 💧 None 💨 11 mph H 69%29.97 inHg

1:00 PM

Sunny

50° 💧 None 💨 8 mph H 86%30.09 inHg

7:00 PM

Sunny

67° 💧 None 💨 6 mph H 41%30.15 inHg

Wednesday

1:00 AM

Clear night

68° 💧 None 💨 3 mph H 51%30.09 inHg

7:00 AM

Mostly clear night

59° 💧 None 💨 5 mph H 68%30.21 inHg

1:00 PM

Overcast

57° 💧 None 💨 5 mph H 74%30.21 inHg

7:00 PM

Sunny

72° 💧 None 💨 11 mph H 43%30.24 inHg

Thursday

1:00 AM

Heavy rain

69° 💧 None 💨 9 mph H 64%30.18 inHg

7:00 AM

Mostly clear night

59° 💧 None 💨 4 mph H 91%30.33 inHg

1:00 PM

Sunny

52° 💧 None 💨 13 mph H 86%30.47 inHg

7:00 PM

Sunny

64° 💧 None 💨 12 mph H 50%30.56 inHg

Friday

1:00 AM

Clear night

61° 💧 None 💨 9 mph H 49%30.56 inHg

7:00 AM

Clear night

50° 💧 None 💨 5 mph H 69%30.62 inHg

1:00 PM

Sunny

45° 💧 None 💨 5 mph H 84%30.59 inHg

7:00 PM

Sunny

65° 💧 None 💨 9 mph H 50%30.47 inHg

Saturday

1:00 AM

Clear night

67° 💧 None 💨 11 mph H 54%30.24 inHg

7:00 AM

Clear night

60° 💧 None 💨 16 mph H 76%30.15 inHg

1:00 PM

Mostly sunny

57° 💧 None 💨 17 mph H 78%29.97 inHg

7:00 PM

Mostly cloudy

73° 💧 None 💨 18 mph H 54%29.80 inHg

Sunday

1:00 AM

Clear night

77° 💧 None 💨 8 mph H 59%29.71 inHg

7:00 AM

Mostly clear night

69° 💧 None 💨 7 mph H 31%29.83 inHg

1:00 PM

Sunny

59° 💧 None 💨 10 mph H 51%29.91 inHg

7:00 PM

Sunny

73° 💧 None 💨 16 mph H 41%29.94 inHg

Monday

1:00 AM

Clear night

71° 💧 None 💨 13 mph H 32%29.91 inHg

7:00 AM

Clear night

61° 💧 None 💨 9 mph H 50%30.03 inHg

1:00 PM

Sunny

56° 💧 None 💨 11 mph H 62%30.09 inHg

7:00 PM

Partly cloudy

68° 💧 None 💨 15 mph H 42%30.15 inHg

Tuesday

1:00 AM

Clear night

68° 💧 None 💨 9 mph H 46%30.09 inHg

7:00 AM

Clear night

57° 💧 None 💨 8 mph H 60%30.09 inHg

1:00 PM

Sunny

58° 💧 None 💨 11 mph H 53%30.03 inHg

7:00 PM

Sunny

78° 💧 None 💨 12 mph H 32%30.00 inHg

Wednesday

1:00 AM

Clear night

76° 💧 None 💨 7 mph H 40%29.91 inHg

In Westport and, more broadly, across the state of South Dakota: Skies will remain mostly cloudy through the afternoon, with temperatures rising from the mid-60s to the upper 70s. Winds will be coming from the northwest at around 8 to 11 mph, with occasional gusts up to 13 mph. No rain is expected today, so conditions should stay dry and mild. It will be a comfortable day with moderate breezes and temperatures that are well-suited for outdoor activities. The weather is expected to remain stable into the evening, with no significant weather changes anticipated.

15-Day Weather Outlook for Westport

TomorrowTomorrow

Mostly sunny 80°/63° 💧 None 💨 16 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 90°/58° 💧 None 💨 13 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 91°/69° 💧 0.001 in 💨 12 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 84°/57° 💧 0.002 in 💨 22 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 71°/53° 💧 0.807 in 💨 20 mph

Monday, Sep 14Mon Sep 14

Moderate rain 61°/56° 💧 0.421 in 💨 18 mph

Tuesday, Sep 15Tue Sep 15

Overcast 66°/50° 💧 0.171 in 💨 17 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 68°/57° 💧 None 💨 6 mph

Thursday, Sep 17Thu Sep 17

Heavy rain 72°/52° 💧 0.541 in 💨 13 mph

Friday, Sep 18Fri Sep 18

Sunny 64°/45° 💧 None 💨 12 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 67°/57° 💧 None 💨 17 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 77°/59° 💧 None 💨 18 mph

Monday, Sep 21Mon Sep 21

Sunny 73°/56° 💧 0.001 in 💨 16 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 68°/57° 💧 None 💨 15 mph

Wednesday, Sep 23Wed Sep 23

Sunny 78°/76° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Westport

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Westport

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 1,5µg/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 2,0µg/m³

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

O₃ Ozone Fair 73,4µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Westport

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 5,9Moderate 🙂Fair

Tomorrow UV 5,7Moderate 🙂Fair

Thursday UV 6,0High 🙂Fair

Friday UV 5,3Moderate 😐Moderate

Saturday UV 6,0High 🙂Fair

Sunday UV 3,0Moderate —Unavailable

Monday UV 2,0Low —Unavailable

Hourly UV index today

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

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Westport

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · WESTPORT, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:42 PM–5:21 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 82° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Westport were last refreshed today at 10:26 AM. The current forecast period extends through 10/09/2026 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.