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Current weather in Harlan is clear sky.

Where can I find the hourly weather forecast for Harlan?

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

Is the weather forecast for Harlan updated regularly?

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

Now · 5:04 AM

Harlan Weather & Hourly Forecast

United States · Kentucky · 40831

69°F

Clear night

Feels like: 74°F

💧 Humidity 92% 🌡 Pressure 29.88 inHg 💨 Wind 1 mph 👁 Visibility 13.6 mi ☁ Clouds 12% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Harlan

Today

6:00 AM

Clear night

69° 💧 0.000 in 💨 0 mph H 91%29.88 inHg

9:00 AM

Mostly sunny

75° 💧 0.001 in 💨 1 mph H 85%29.94 inHg

12:00 PM

Light rain

83° 💧 0.029 in 💨 4 mph H 57%29.91 inHg

3:00 PM

Light rain

84° 💧 0.052 in 💨 5 mph H 53%29.88 inHg

6:00 PM

Light rain

78° 💧 0.017 in 💨 4 mph H 74%29.88 inHg

9:00 PM

Mostly clear night

72° 💧 0.002 in 💨 4 mph H 84%29.94 inHg

Tomorrow

12:00 AM

Clear night

68° 💧 None 💨 3 mph H 91%29.97 inHg

3:00 AM

Clear night

66° 💧 None 💨 4 mph H 92%29.97 inHg

6:00 AM

Clear night

65° 💧 None 💨 5 mph H 95%30.00 inHg

9:00 AM

Sunny

70° 💧 0.002 in 💨 4 mph H 86%30.03 inHg

12:00 PM

Light rain

77° 💧 0.053 in 💨 6 mph H 66%30.06 inHg

3:00 PM

Light rain

79° 💧 0.018 in 💨 9 mph H 68%30.03 inHg

6:00 PM

Sunny

77° 💧 None 💨 11 mph H 63%30.03 inHg

9:00 PM

Clear night

71° 💧 None 💨 9 mph H 72%30.09 inHg

Tuesday

12:00 AM

Clear night

67° 💧 None 💨 9 mph H 80%30.15 inHg

3:00 AM

Clear night

66° 💧 None 💨 7 mph H 81%30.15 inHg

Today

6:00 AM

Clear night

69° 💧 None 💨 0 mph H 91%29.88 inHg

7:00 AM

Clear night

69° 💧 None 💨 0 mph H 91%29.91 inHg

8:00 AM

Mostly sunny

71° 💧 0.000 in 💨 2 mph H 90%29.94 inHg

9:00 AM

Mostly sunny

75° 💧 None 💨 1 mph H 85%29.94 inHg

10:00 AM

Mostly sunny

78° 💧 None 💨 1 mph H 74%29.94 inHg

11:00 AM

Mostly sunny

82° 💧 0.001 in 💨 2 mph H 64%29.94 inHg

12:00 PM

Light rain

83° 💧 0.010 in 💨 4 mph H 57%29.91 inHg

1:00 PM

Light rain

84° 💧 0.011 in 💨 6 mph H 57%29.91 inHg

2:00 PM

Light rain

84° 💧 0.008 in 💨 5 mph H 54%29.88 inHg

3:00 PM

Light rain

84° 💧 0.005 in 💨 5 mph H 53%29.88 inHg

4:00 PM

Light rain

84° 💧 0.009 in 💨 5 mph H 53%29.88 inHg

5:00 PM

Light thunderstorms

79° 💧 0.037 in 💨 5 mph H 69%29.88 inHg

6:00 PM

Light rain

78° 💧 0.013 in 💨 4 mph H 74%29.88 inHg

7:00 PM

Mostly sunny

77° 💧 0.004 in 💨 6 mph H 74%29.88 inHg

8:00 PM

Mostly clear night

73° 💧 None 💨 5 mph H 82%29.91 inHg

9:00 PM

Mostly clear night

72° 💧 0.001 in 💨 4 mph H 84%29.94 inHg

10:00 PM

Mostly clear night

71° 💧 0.001 in 💨 4 mph H 85%29.94 inHg

11:00 PM

Clear night

70° 💧 0.000 in 💨 3 mph H 89%29.97 inHg

Tomorrow

12:00 AM

Clear night

68° 💧 None 💨 3 mph H 91%29.97 inHg

1:00 AM

Clear night

67° 💧 None 💨 5 mph H 91%29.97 inHg

2:00 AM

Clear night

67° 💧 None 💨 5 mph H 91%29.97 inHg

3:00 AM

Clear night

66° 💧 None 💨 4 mph H 92%29.97 inHg

4:00 AM

Mostly clear night

65° 💧 None 💨 4 mph H 93%29.97 inHg

5:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 94%29.97 inHg

6:00 AM

Clear night

65° 💧 None 💨 5 mph H 95%30.00 inHg

7:00 AM

Clear night

65° 💧 None 💨 4 mph H 97%30.00 inHg

8:00 AM

Sunny

67° 💧 None 💨 4 mph H 94%30.03 inHg

9:00 AM

Sunny

70° 💧 None 💨 4 mph H 86%30.03 inHg

10:00 AM

Mostly sunny

73° 💧 0.001 in 💨 6 mph H 76%30.06 inHg

11:00 AM

Partly cloudy

76° 💧 0.001 in 💨 7 mph H 70%30.06 inHg

12:00 PM

Light rain

77° 💧 0.008 in 💨 6 mph H 66%30.06 inHg

1:00 PM

Light rain

79° 💧 0.016 in 💨 7 mph H 63%30.06 inHg

2:00 PM

Light rain

77° 💧 0.029 in 💨 8 mph H 69%30.03 inHg

3:00 PM

Light rain

79° 💧 0.016 in 💨 9 mph H 68%30.03 inHg

4:00 PM

Sunny

79° 💧 0.002 in 💨 11 mph H 66%30.03 inHg

5:00 PM

Sunny

78° 💧 None 💨 11 mph H 65%30.03 inHg

6:00 PM

Sunny

77° 💧 None 💨 11 mph H 63%30.03 inHg

7:00 PM

Sunny

76° 💧 None 💨 10 mph H 64%30.06 inHg

8:00 PM

Clear night

73° 💧 None 💨 9 mph H 69%30.06 inHg

9:00 PM

Clear night

71° 💧 None 💨 9 mph H 72%30.09 inHg

10:00 PM

Clear night

69° 💧 None 💨 9 mph H 76%30.12 inHg

11:00 PM

Clear night

68° 💧 None 💨 9 mph H 78%30.15 inHg

Tuesday

12:00 AM

Clear night

67° 💧 None 💨 9 mph H 80%30.15 inHg

1:00 AM

Mostly clear night

66° 💧 None 💨 8 mph H 80%30.15 inHg

2:00 AM

Clear night

66° 💧 None 💨 8 mph H 81%30.18 inHg

3:00 AM

Clear night

66° 💧 None 💨 7 mph H 81%30.15 inHg

4:00 AM

Clear night

65° 💧 None 💨 6 mph H 82%30.15 inHg

5:00 AM

Clear night

65° 💧 None 💨 6 mph H 84%30.18 inHg

6:00 AM

Clear night

65° 💧 None 💨 6 mph H 84%30.18 inHg

7:00 AM

Clear night

64° 💧 None 💨 5 mph H 86%30.21 inHg

8:00 AM

Sunny

66° 💧 None 💨 6 mph H 83%30.21 inHg

9:00 AM

Sunny

70° 💧 None 💨 7 mph H 74%30.24 inHg

10:00 AM

Mostly sunny

73° 💧 None 💨 7 mph H 69%30.24 inHg

11:00 AM

Sunny

76° 💧 None 💨 7 mph H 64%30.24 inHg

12:00 PM

Mostly sunny

79° 💧 None 💨 7 mph H 59%30.24 inHg

1:00 PM

Light rain

81° 💧 0.005 in 💨 5 mph H 54%30.21 inHg

2:00 PM

Light rain

81° 💧 0.008 in 💨 6 mph H 54%30.21 inHg

3:00 PM

Light rain

82° 💧 0.006 in 💨 6 mph H 52%30.18 inHg

4:00 PM

Light rain

82° 💧 0.006 in 💨 7 mph H 53%30.18 inHg

5:00 PM

Partly cloudy

83° 💧 0.001 in 💨 7 mph H 52%30.15 inHg

6:00 PM

Partly cloudy

82° 💧 None 💨 7 mph H 52%30.15 inHg

7:00 PM

Partly cloudy

79° 💧 None 💨 5 mph H 62%30.15 inHg

8:00 PM

Mostly cloudy night

76° 💧 None 💨 7 mph H 64%30.18 inHg

11:00 PM

Partly cloudy night

71° 💧 None 💨 5 mph H 76%30.24 inHg

Wednesday

2:00 AM

Clear night

67° 💧 None 💨 3 mph H 87%30.24 inHg

5:00 AM

Clear night

65° 💧 None 💨 3 mph H 91%30.24 inHg

8:00 AM

Partly cloudy

67° 💧 None 💨 3 mph H 89%30.27 inHg

11:00 AM

Mostly sunny

79° 💧 None 💨 4 mph H 63%30.27 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 8 mph H 52%30.18 inHg

5:00 PM

Mostly sunny

85° 💧 None 💨 6 mph H 51%30.09 inHg

8:00 PM

Mostly clear night

78° 💧 None 💨 3 mph H 71%30.09 inHg

11:00 PM

Clear night

74° 💧 None 💨 3 mph H 77%30.09 inHg

Thursday

2:00 AM

Clear night

71° 💧 None 💨 3 mph H 82%30.06 inHg

5:00 AM

Clear night

69° 💧 None 💨 5 mph H 86%30.06 inHg

8:00 AM

Sunny

71° 💧 None 💨 6 mph H 83%30.06 inHg

11:00 AM

Mostly sunny

81° 💧 None 💨 8 mph H 61%30.03 inHg

2:00 PM

Light rain

86° 💧 None 💨 8 mph H 51%29.94 inHg

5:00 PM

Moderate rain

81° 💧 None 💨 9 mph H 59%29.88 inHg

8:00 PM

Overcast night

73° 💧 None 💨 2 mph H 89%29.94 inHg

11:00 PM

Partly cloudy night

71° 💧 None 💨 3 mph H 96%29.94 inHg

Friday

2:00 AM

Overcast night

68° 💧 None 💨 1 mph H 100%29.94 inHg

5:00 AM

Overcast night

67° 💧 None 💨 1 mph H 99%29.94 inHg

8:00 AM

Overcast

67° 💧 None 💨 1 mph H 99%29.94 inHg

11:00 AM

Partly cloudy

74° 💧 None 💨 3 mph H 84%29.97 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 3 mph H 72%29.91 inHg

5:00 PM

Sunny

78° 💧 None 💨 2 mph H 74%29.85 inHg

8:00 PM

Mostly clear night

74° 💧 None 💨 0 mph H 88%29.91 inHg

Saturday

2:00 AM

Clear night

67° 💧 None 💨 2 mph H 99%29.94 inHg

8:00 AM

Overcast

68° 💧 None 💨 2 mph H 99%30.00 inHg

2:00 PM

Partly cloudy

84° 💧 None 💨 3 mph H 56%29.97 inHg

8:00 PM

Mostly cloudy night

75° 💧 None 💨 1 mph H 87%29.97 inHg

Sunday

2:00 AM

Mostly clear night

72° 💧 None 💨 1 mph H 89%30.03 inHg

8:00 AM

Sunny

69° 💧 None 💨 3 mph H 95%30.12 inHg

2:00 PM

Sunny

88° 💧 None 💨 3 mph H 52%30.09 inHg

8:00 PM

Clear night

82° 💧 None 💨 3 mph H 64%30.06 inHg

Monday

2:00 AM

Clear night

74° 💧 None 💨 2 mph H 85%30.12 inHg

8:00 AM

Sunny

75° 💧 None 💨 2 mph H 86%30.18 inHg

2:00 PM

Mostly sunny

90° 💧 None 💨 4 mph H 50%30.12 inHg

8:00 PM

Clear night

82° 💧 None 💨 4 mph H 63%30.03 inHg

Tuesday

2:00 AM

Clear night

75° 💧 None 💨 1 mph H 77%30.09 inHg

8:00 AM

Mostly sunny

73° 💧 None 💨 1 mph H 87%30.12 inHg

2:00 PM

Mostly sunny

90° 💧 None 💨 5 mph H 49%30.06 inHg

8:00 PM

Mostly clear night

78° 💧 None 💨 3 mph H 83%30.03 inHg

Wednesday

2:00 AM

Mostly clear night

72° 💧 None 💨 4 mph H 93%30.09 inHg

8:00 AM

Mostly sunny

70° 💧 None 💨 4 mph H 97%30.12 inHg

2:00 PM

Partly cloudy

81° 💧 None 💨 8 mph H 64%30.09 inHg

8:00 PM

Clear night

73° 💧 None 💨 3 mph H 70%30.09 inHg

Thursday

2:00 AM

Mostly clear night

65° 💧 None 💨 4 mph H 82%30.09 inHg

8:00 AM

Mostly cloudy

63° 💧 None 💨 4 mph H 88%30.09 inHg

2:00 PM

Overcast

84° 💧 None 💨 2 mph H 45%30.06 inHg

8:00 PM

Partly cloudy night

73° 💧 None 💨 6 mph H 84%30.03 inHg

Friday

2:00 AM

Mostly clear night

67° 💧 None 💨 5 mph H 97%30.06 inHg

8:00 AM

Light rain

66° 💧 None 💨 4 mph H 94%30.06 inHg

2:00 PM

Light rain

77° 💧 None 💨 6 mph H 73%30.00 inHg

8:00 PM

Light rain

69° 💧 None 💨 4 mph H 97%29.97 inHg

Saturday

2:00 AM

Moderate rain

68° 💧 None 💨 5 mph H 98%29.97 inHg

8:00 AM

Light rain

68° 💧 None 💨 3 mph H 99%30.00 inHg

2:00 PM

Moderate rain

69° 💧 None 💨 4 mph H 95%29.97 inHg

8:00 PM

Mostly cloudy night

68° 💧 None 💨 2 mph H 98%29.97 inHg

Sunday

2:00 AM

Overcast night

66° 💧 None 💨 4 mph H 99%30.00 inHg

8:00 AM

Sunny

60° 💧 None 💨 8 mph H 90%30.06 inHg

2:00 PM

Partly cloudy

71° 💧 None 💨 8 mph H 50%30.09 inHg

8:00 PM

Clear night

62° 💧 None 💨 9 mph H 50%30.12 inHg

In Harlan and, more broadly, across the state of Kentucky: This evening will feature mostly sunny skies with a few clouds drifting through. Temperatures are expected to remain hot, ranging from around 80 to 92 degrees. Light northerly winds will blow at about 7 mph, with occasional gusts reaching up to 22 mph. A chance of rain exists during the next few hours, with total accumulation possibly reaching around 0.22 inches. Expect the weather to stay warm and relatively breezy, so it may feel humid despite the light winds. Be prepared for the possibility of brief showers if you plan to be outdoors tonight. The skies should gradually clear later on, but keep an eye out for any sudden changes in the weather. Overall, it will be a warm and slightly unsettled evening.

15-Day Weather Outlook for Harlan

TomorrowTomorrow

Mostly sunny 80°/65° 💧 None 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 84°/64° 💧 0.144 in 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 86°/65° 💧 0.009 in 💨 5 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 87°/69° 💧 0.012 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Moderate rain 81°/67° 💧 0.180 in 💨 8 mph

Saturday, Sep 12Sat Sep 12

Overcast 80°/67° 💧 0.211 in 💨 3 mph

Sunday, Sep 13Sun Sep 13

Light rain 83°/68° 💧 0.081 in 💨 4 mph

Monday, Sep 14Mon Sep 14

Light thunderstorms 85°/70° 💧 0.195 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 71°/55° 💧 0.275 in 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 73°/53° 💧 None 💨 6 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 74°/54° 💧 None 💨 6 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 71°/54° 💧 None 💨 7 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 74°/57° 💧 None 💨 5 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 80°/65° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Harlan

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Harlan

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 4,8µg/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 5,1µg/m³

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

O₃ Ozone Good 18,8µg/m³

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

NO₂ Nitrogen dioxide Good 3,0µg/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 Harlan

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 7,3High 😊Good

Tomorrow UV 7,4High 🙂Fair

Tuesday UV 7,9High 🙂Fair

Wednesday UV 8,1Very high 🙂Fair

Thursday UV 7,0High 😊Good

Friday UV 4,0Moderate —Unavailable

Saturday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Harlan

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARLAN, KENTUCKY

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

92/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 9:25 PM–5:39 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 30% Waning Crescent · Moon about 45° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 85° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min72%

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.

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Forecast data for Harlan were last refreshed today at 5:04 AM. The current forecast period extends through 08/09/2026 at 3:00 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.