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Current weather in Hayti is overcast clouds.

Where can I find the hourly weather forecast for Hayti?

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

Is the weather forecast for Hayti updated regularly?

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

Now · 8:55 AM

Hayti Weather & Hourly Forecast

United States · South Dakota · 57241

75°F

Overcast

Feels like: 77°F

💧 Humidity 92% 🌡 Pressure 29.91 inHg 💨 Wind 11 mph 👁 Visibility 15.4 mi ☁ Clouds 98% ☀️ UV index 0.3 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Hayti

Today

9:00 AM

Overcast

75° 💧 None 💨 11 mph H 92%29.91 inHg

12:00 PM

Sunny

85° 💧 None 💨 11 mph H 63%29.91 inHg

3:00 PM

Sunny

91° 💧 None 💨 12 mph H 47%29.85 inHg

6:00 PM

Sunny

91° 💧 None 💨 11 mph H 45%29.83 inHg

9:00 PM

Light thunderstorms

81° 💧 0.24 in 💨 7 mph H 63%29.88 inHg

Tomorrow

12:00 AM

Light rain

72° 💧 0.02 in 💨 10 mph H 89%29.91 inHg

3:00 AM

Clear night

71° 💧 None 💨 8 mph H 93%29.91 inHg

6:00 AM

Partly cloudy night

72° 💧 0.37 in 💨 10 mph H 94%29.94 inHg

9:00 AM

Thunderstorms

70° 💧 0.40 in 💨 16 mph H 93%29.97 inHg

12:00 PM

Moderate rain

71° 💧 0.17 in 💨 15 mph H 95%29.97 inHg

3:00 PM

Light rain

76° 💧 0.00 in 💨 13 mph H 88%29.88 inHg

6:00 PM

Mostly cloudy

78° 💧 None 💨 8 mph H 80%29.88 inHg

9:00 PM

Partly cloudy night

73° 💧 None 💨 9 mph H 92%29.91 inHg

Monday

12:00 AM

Mostly clear night

73° 💧 None 💨 10 mph H 97%29.94 inHg

3:00 AM

Mostly cloudy night

72° 💧 None 💨 11 mph H 97%29.91 inHg

6:00 AM

Mostly cloudy night

71° 💧 None 💨 10 mph H 95%29.91 inHg

Today

9:00 AM

Overcast

75° 💧 None 💨 11 mph H 92%29.91 inHg

10:00 AM

Sunny

78° 💧 None 💨 10 mph H 84%29.91 inHg

11:00 AM

Sunny

81° 💧 None 💨 11 mph H 73%29.91 inHg

12:00 PM

Sunny

85° 💧 None 💨 11 mph H 63%29.91 inHg

1:00 PM

Sunny

87° 💧 None 💨 12 mph H 57%29.91 inHg

2:00 PM

Sunny

89° 💧 None 💨 12 mph H 52%29.88 inHg

3:00 PM

Sunny

91° 💧 None 💨 12 mph H 47%29.85 inHg

4:00 PM

Sunny

92° 💧 None 💨 13 mph H 42%29.85 inHg

5:00 PM

Sunny

92° 💧 None 💨 13 mph H 42%29.83 inHg

6:00 PM

Sunny

91° 💧 None 💨 11 mph H 45%29.83 inHg

7:00 PM

Mostly sunny

88° 💧 None 💨 9 mph H 50%29.83 inHg

8:00 PM

Overcast night

84° 💧 None 💨 8 mph H 55%29.85 inHg

9:00 PM

Light thunderstorms

81° 💧 0.00 in 💨 7 mph H 63%29.88 inHg

10:00 PM

Thunderstorms

71° 💧 0.17 in 💨 4 mph H 93%29.97 inHg

11:00 PM

Light rain

72° 💧 0.06 in 💨 9 mph H 91%29.94 inHg

Tomorrow

12:00 AM

Light rain

72° 💧 0.02 in 💨 10 mph H 89%29.91 inHg

1:00 AM

Overcast night

72° 💧 None 💨 7 mph H 89%29.91 inHg

2:00 AM

Mostly clear night

70° 💧 None 💨 6 mph H 92%29.91 inHg

3:00 AM

Clear night

71° 💧 None 💨 8 mph H 93%29.91 inHg

4:00 AM

Clear night

71° 💧 None 💨 8 mph H 94%29.91 inHg

5:00 AM

Mostly cloudy night

71° 💧 None 💨 8 mph H 94%29.94 inHg

6:00 AM

Partly cloudy night

72° 💧 None 💨 10 mph H 94%29.94 inHg

7:00 AM

Light thunderstorms

71° 💧 0.01 in 💨 5 mph H 95%29.94 inHg

8:00 AM

Severe thunderstorms

70° 💧 0.37 in 💨 13 mph H 94%30.00 inHg

9:00 AM

Thunderstorms

70° 💧 0.10 in 💨 16 mph H 93%29.97 inHg

10:00 AM

Light thunderstorms

71° 💧 0.08 in 💨 7 mph H 91%30.03 inHg

11:00 AM

Thunderstorms

70° 💧 0.22 in 💨 14 mph H 93%30.00 inHg

12:00 PM

Moderate rain

71° 💧 0.14 in 💨 15 mph H 95%29.97 inHg

1:00 PM

Light rain

73° 💧 0.02 in 💨 7 mph H 94%29.97 inHg

2:00 PM

Light rain

74° 💧 0.01 in 💨 11 mph H 92%29.94 inHg

3:00 PM

Light rain

76° 💧 0.00 in 💨 13 mph H 88%29.88 inHg

4:00 PM

Mostly cloudy

78° 💧 0.00 in 💨 9 mph H 83%29.85 inHg

5:00 PM

Mostly sunny

78° 💧 None 💨 6 mph H 81%29.85 inHg

6:00 PM

Mostly cloudy

78° 💧 None 💨 8 mph H 80%29.88 inHg

7:00 PM

Partly cloudy

77° 💧 None 💨 6 mph H 85%29.91 inHg

8:00 PM

Mostly clear night

74° 💧 None 💨 7 mph H 89%29.91 inHg

9:00 PM

Partly cloudy night

73° 💧 None 💨 9 mph H 92%29.91 inHg

10:00 PM

Mostly cloudy night

73° 💧 None 💨 9 mph H 94%29.94 inHg

11:00 PM

Mostly clear night

74° 💧 None 💨 9 mph H 96%29.97 inHg

Monday

12:00 AM

Mostly clear night

73° 💧 None 💨 10 mph H 97%29.94 inHg

1:00 AM

Mostly cloudy night

73° 💧 None 💨 9 mph H 97%29.94 inHg

2:00 AM

Mostly cloudy night

73° 💧 None 💨 11 mph H 97%29.94 inHg

3:00 AM

Mostly cloudy night

72° 💧 None 💨 11 mph H 97%29.91 inHg

4:00 AM

Mostly cloudy night

72° 💧 None 💨 11 mph H 95%29.91 inHg

5:00 AM

Mostly cloudy night

71° 💧 None 💨 11 mph H 95%29.91 inHg

6:00 AM

Mostly cloudy night

71° 💧 None 💨 10 mph H 95%29.91 inHg

7:00 AM

Mostly cloudy

70° 💧 None 💨 11 mph H 96%29.91 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 12 mph H 94%29.91 inHg

9:00 AM

Overcast

73° 💧 None 💨 12 mph H 91%29.91 inHg

10:00 AM

Mostly cloudy

75° 💧 None 💨 13 mph H 86%29.88 inHg

11:00 AM

Mostly cloudy

77° 💧 None 💨 14 mph H 80%29.88 inHg

12:00 PM

Partly cloudy

79° 💧 None 💨 16 mph H 76%29.85 inHg

1:00 PM

Sunny

81° 💧 None 💨 17 mph H 73%29.83 inHg

2:00 PM

Partly cloudy

82° 💧 None 💨 18 mph H 70%29.80 inHg

3:00 PM

Mostly cloudy

83° 💧 None 💨 18 mph H 70%29.80 inHg

4:00 PM

Light thunderstorms

83° 💧 0.00 in 💨 15 mph H 73%29.80 inHg

5:00 PM

Light rain

81° 💧 0.01 in 💨 17 mph H 79%29.77 inHg

6:00 PM

Mostly cloudy

80° 💧 0.00 in 💨 13 mph H 81%29.74 inHg

7:00 PM

Overcast

79° 💧 None 💨 17 mph H 78%29.74 inHg

Tuesday

4:00 AM

Partly cloudy night

75° 💧 None 💨 17 mph H 82%29.77 inHg

7:00 AM

Mostly sunny

75° 💧 None 💨 16 mph H 76%29.77 inHg

10:00 AM

Mostly sunny

78° 💧 None 💨 12 mph H 73%29.80 inHg

1:00 PM

Sunny

81° 💧 None 💨 13 mph H 50%29.85 inHg

4:00 PM

Sunny

82° 💧 None 💨 11 mph H 35%29.85 inHg

7:00 PM

Sunny

75° 💧 None 💨 7 mph H 53%29.88 inHg

10:00 PM

Clear night

68° 💧 None 💨 8 mph H 56%29.94 inHg

Wednesday

1:00 AM

Clear night

66° 💧 None 💨 8 mph H 55%30.00 inHg

4:00 AM

Clear night

64° 💧 None 💨 10 mph H 63%30.03 inHg

7:00 AM

Sunny

61° 💧 None 💨 11 mph H 77%30.09 inHg

10:00 AM

Sunny

65° 💧 None 💨 12 mph H 72%30.15 inHg

1:00 PM

Mostly sunny

71° 💧 None 💨 12 mph H 57%30.12 inHg

4:00 PM

Sunny

74° 💧 None 💨 11 mph H 51%30.06 inHg

7:00 PM

Sunny

71° 💧 None 💨 3 mph H 63%30.03 inHg

10:00 PM

Clear night

64° 💧 None 💨 4 mph H 74%30.06 inHg

Thursday

1:00 AM

Clear night

62° 💧 None 💨 6 mph H 72%30.03 inHg

4:00 AM

Clear night

61° 💧 None 💨 6 mph H 75%30.00 inHg

7:00 AM

Clear night

60° 💧 None 💨 7 mph H 75%30.00 inHg

10:00 AM

Sunny

72° 💧 None 💨 8 mph H 66%29.97 inHg

1:00 PM

Sunny

79° 💧 None 💨 14 mph H 47%29.91 inHg

4:00 PM

Sunny

82° 💧 None 💨 15 mph H 44%29.83 inHg

7:00 PM

Sunny

78° 💧 None 💨 11 mph H 55%29.77 inHg

10:00 PM

Clear night

72° 💧 None 💨 10 mph H 67%29.77 inHg

Friday

1:00 AM

Mostly clear night

69° 💧 None 💨 9 mph H 66%29.74 inHg

7:00 AM

Clear night

68° 💧 None 💨 9 mph H 69%29.88 inHg

1:00 PM

Mostly sunny

63° 💧 None 💨 9 mph H 88%29.85 inHg

7:00 PM

Partly cloudy

78° 💧 None 💨 11 mph H 65%29.77 inHg

Saturday

1:00 AM

Mostly clear night

78° 💧 None 💨 4 mph H 74%29.71 inHg

7:00 AM

Clear night

68° 💧 None 💨 2 mph H 95%29.71 inHg

1:00 PM

Moderate rain

60° 💧 None 💨 13 mph H 90%29.65 inHg

7:00 PM

Partly cloudy

62° 💧 None 💨 19 mph H 71%29.77 inHg

Sunday

1:00 AM

Clear night

62° 💧 None 💨 16 mph H 45%29.83 inHg

7:00 AM

Clear night

54° 💧 None 💨 11 mph H 57%29.97 inHg

1:00 PM

Mostly cloudy

48° 💧 None 💨 7 mph H 78%30.06 inHg

7:00 PM

Sunny

62° 💧 None 💨 12 mph H 46%30.06 inHg

Monday

1:00 AM

Clear night

61° 💧 None 💨 6 mph H 56%30.03 inHg

7:00 AM

Clear night

52° 💧 None 💨 2 mph H 82%30.09 inHg

1:00 PM

Mostly sunny

52° 💧 None 💨 5 mph H 85%30.09 inHg

7:00 PM

Sunny

72° 💧 None 💨 7 mph H 52%30.09 inHg

Tuesday

1:00 AM

Clear night

69° 💧 None 💨 4 mph H 72%30.00 inHg

7:00 AM

Clear night

59° 💧 None 💨 5 mph H 88%30.06 inHg

1:00 PM

Mostly sunny

56° 💧 None 💨 3 mph H 90%30.06 inHg

7:00 PM

Partly cloudy

78° 💧 None 💨 6 mph H 56%30.09 inHg

Wednesday

1:00 AM

Mostly clear night

72° 💧 None 💨 8 mph H 69%30.06 inHg

7:00 AM

Partly cloudy night

63° 💧 None 💨 9 mph H 84%30.12 inHg

1:00 PM

Partly cloudy

65° 💧 None 💨 12 mph H 95%30.06 inHg

7:00 PM

Overcast

79° 💧 None 💨 11 mph H 72%29.91 inHg

Thursday

1:00 AM

Clear night

73° 💧 None 💨 10 mph H 90%29.83 inHg

7:00 AM

Clear night

70° 💧 None 💨 9 mph H 90%29.91 inHg

1:00 PM

Sunny

63° 💧 None 💨 11 mph H 63%30.06 inHg

7:00 PM

Sunny

72° 💧 None 💨 12 mph H 62%30.18 inHg

Friday

1:00 AM

Clear night

69° 💧 None 💨 3 mph H 75%30.21 inHg

7:00 AM

Clear night

59° 💧 None 💨 4 mph H 87%30.24 inHg

1:00 PM

Sunny

55° 💧 None 💨 3 mph H 92%30.27 inHg

7:00 PM

Mostly sunny

73° 💧 None 💨 6 mph H 60%30.24 inHg

Saturday

1:00 AM

Mostly clear night

71° 💧 None 💨 7 mph H 71%30.09 inHg

7:00 AM

Partly cloudy night

66° 💧 None 💨 9 mph H 66%30.06 inHg

1:00 PM

Partly cloudy

63° 💧 None 💨 7 mph H 72%30.06 inHg

7:00 PM

Sunny

67° 💧 None 💨 12 mph H 63%30.18 inHg

Sunday

1:00 AM

Clear night

63° 💧 None 💨 6 mph H 55%30.15 inHg

In Hayti and, more broadly, across the state of South Dakota: The morning will start with clear skies and hot conditions, with temperatures rising from around 67 degrees in the early hours to near 94 degrees by midday. Expect moderate south winds at speeds up to 14 mph, with gusts reaching 24 mph. As the afternoon progresses, the weather will remain dry but humid, with the possibility of rain developing later in the day, especially in areas where the maximum rain probability is around 90 percent. Temperatures are expected to stay steady, remaining hot but manageable under the clear sky. Winds may pick up slightly in the late afternoon, bringing some gusty conditions. Overall, the day will be warm and breezy, with the potential for some late-day showers in certain areas.

15-Day Weather Outlook for Hayti

TomorrowTomorrow

Light thunderstorms 88°/70° 💧 None 💨 16 mph

Monday, Sep 7Mon Sep 7

Light thunderstorms 83°/70° 💧 None 💨 18 mph

Tuesday, Sep 8Tue Sep 8

Overcast 82°/75° 💧 1.09 in 💨 17 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 75°/61° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Sunny 82°/60° 💧 None 💨 15 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 78°/63° 💧 0.37 in 💨 11 mph

Saturday, Sep 12Sat Sep 12

Moderate rain 78°/60° 💧 0.16 in 💨 13 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 62°/48° 💧 0.64 in 💨 19 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 62°/52° 💧 None 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 72°/56° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 78°/63° 💧 None 💨 12 mph

Thursday, Sep 17Thu Sep 17

Overcast 79°/63° 💧 0.29 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Sunny 72°/55° 💧 None 💨 12 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 73°/63° 💧 None 💨 9 mph

Sunday, Sep 20Sun Sep 20

Sunny 67°/63° 💧 0.02 in 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Hayti

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Hayti

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 AM

PM2.5 Fine particles Good 7,6µg/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 8,2µg/m³

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

O₃ Ozone Good 42,3µg/m³

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

NO₂ Nitrogen dioxide Good 2,2µg/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 Hayti

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 7,2High 😊Good

Tomorrow UV 7,2High 🙂Fair

Monday UV 6,0High 🙂Fair

Tuesday UV 6,8High 🙂Fair

Wednesday UV 7,0High 😊Good

Thursday UV 6,0High —Unavailable

Friday UV 7,0High —Unavailable

Hourly UV index today

9:00 AMUV 1,0 10:00 AMUV 2,5 11:00 AMUV 3,8 12:00 PMUV 6,1 1:00 PMUV 7,2 2:00 PMUV 7,2 3:00 PMUV 6,1 4:00 PMUV 4,3 5:00 PMUV 2,4 6:00 PMUV 1,0 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 Hayti

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HAYTI, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

91/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:41 PM–5:15 AM

☁ Cloud cover 5% Real hourly forecast for the best viewing hour.

☾ Moonlight 31% Waning Crescent · Moon about 15° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 61° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min67%

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

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

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

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.

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Forecast data for Hayti were last refreshed today at 8:55 AM. The current forecast period extends through 07/09/2026 at 6:00 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.