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Current weather in Grayson is overcast clouds.

Where can I find the hourly weather forecast for Grayson?

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

Is the weather forecast for Grayson updated regularly?

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

Now · 11:11 PM

Grayson Weather & Hourly Forecast

United States · Kentucky · 41143

66°F

Overcast night

Feels like: 68°F

💧 Humidity 85% 🌡 Pressure 30.12 inHg 💨 Wind 4 mph 👁 Visibility 10.1 mi ☁ Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:18 AM 🌇 Sunset 7:30 PM

Hourly Forecast for Grayson

Tomorrow

12:00 AM

Overcast night

65° 💧 0.001 in 💨 5 mph H 87%30.12 inHg

3:00 AM

Overcast night

65° 💧 None 💨 5 mph H 88%30.12 inHg

6:00 AM

Overcast night

66° 💧 0.002 in 💨 5 mph H 91%30.12 inHg

9:00 AM

Overcast

66° 💧 None 💨 7 mph H 82%30.18 inHg

12:00 PM

Overcast

69° 💧 0.004 in 💨 7 mph H 72%30.18 inHg

3:00 PM

Overcast

74° 💧 0.002 in 💨 8 mph H 63%30.15 inHg

6:00 PM

Mostly cloudy

72° 💧 0.457 in 💨 8 mph H 69%30.15 inHg

9:00 PM

Light thunderstorms

63° 💧 0.128 in 💨 10 mph H 98%30.18 inHg

Thursday

12:00 AM

Light rain

61° 💧 0.006 in 💨 9 mph H 97%30.21 inHg

3:00 AM

Mostly cloudy night

59° 💧 None 💨 7 mph H 97%30.21 inHg

6:00 AM

Overcast night

59° 💧 0.001 in 💨 7 mph H 93%30.24 inHg

9:00 AM

Sunny

60° 💧 0.001 in 💨 7 mph H 88%30.27 inHg

12:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 65%30.24 inHg

3:00 PM

Overcast

68° 💧 0.001 in 💨 8 mph H 66%30.21 inHg

6:00 PM

Overcast

67° 💧 None 💨 7 mph H 65%30.21 inHg

9:00 PM

Clear night

60° 💧 None 💨 4 mph H 82%30.21 inHg

Tomorrow

12:00 AM

Overcast night

65° 💧 None 💨 5 mph H 87%30.12 inHg

1:00 AM

Overcast night

65° 💧 0.000 in 💨 5 mph H 88%30.12 inHg

2:00 AM

Overcast night

65° 💧 0.000 in 💨 4 mph H 88%30.12 inHg

3:00 AM

Overcast night

65° 💧 None 💨 5 mph H 88%30.12 inHg

4:00 AM

Overcast night

65° 💧 None 💨 5 mph H 90%30.12 inHg

5:00 AM

Overcast night

66° 💧 None 💨 5 mph H 91%30.12 inHg

6:00 AM

Overcast night

66° 💧 0.001 in 💨 5 mph H 91%30.12 inHg

7:00 AM

Overcast night

66° 💧 0.001 in 💨 6 mph H 88%30.15 inHg

8:00 AM

Overcast

66° 💧 0.001 in 💨 7 mph H 85%30.15 inHg

9:00 AM

Overcast

66° 💧 None 💨 7 mph H 82%30.18 inHg

10:00 AM

Overcast

67° 💧 None 💨 8 mph H 79%30.18 inHg

11:00 AM

Overcast

68° 💧 None 💨 9 mph H 73%30.18 inHg

12:00 PM

Overcast

69° 💧 None 💨 7 mph H 72%30.18 inHg

1:00 PM

Overcast

71° 💧 0.001 in 💨 6 mph H 70%30.18 inHg

2:00 PM

Overcast

73° 💧 0.003 in 💨 6 mph H 67%30.15 inHg

3:00 PM

Overcast

74° 💧 None 💨 8 mph H 63%30.15 inHg

4:00 PM

Overcast

73° 💧 0.001 in 💨 9 mph H 65%30.12 inHg

5:00 PM

Overcast

72° 💧 0.002 in 💨 9 mph H 69%30.15 inHg

6:00 PM

Mostly cloudy

72° 💧 None 💨 8 mph H 69%30.15 inHg

7:00 PM

Thunderstorms

67° 💧 0.208 in 💨 6 mph H 93%30.15 inHg

8:00 PM

Thunderstorms

64° 💧 0.249 in 💨 10 mph H 97%30.18 inHg

9:00 PM

Light thunderstorms

63° 💧 0.079 in 💨 10 mph H 98%30.18 inHg

10:00 PM

Light rain

62° 💧 0.038 in 💨 6 mph H 98%30.21 inHg

11:00 PM

Light rain

62° 💧 0.010 in 💨 8 mph H 98%30.21 inHg

Thursday

12:00 AM

Light rain

61° 💧 0.005 in 💨 9 mph H 97%30.21 inHg

1:00 AM

Mostly clear night

60° 💧 0.001 in 💨 9 mph H 97%30.21 inHg

2:00 AM

Mostly clear night

60° 💧 None 💨 8 mph H 97%30.21 inHg

3:00 AM

Mostly cloudy night

59° 💧 None 💨 7 mph H 97%30.21 inHg

4:00 AM

Overcast night

59° 💧 None 💨 8 mph H 96%30.21 inHg

5:00 AM

Overcast night

59° 💧 None 💨 7 mph H 94%30.24 inHg

6:00 AM

Overcast night

59° 💧 None 💨 7 mph H 93%30.24 inHg

7:00 AM

Overcast night

59° 💧 0.001 in 💨 7 mph H 92%30.24 inHg

8:00 AM

Overcast

59° 💧 None 💨 8 mph H 92%30.27 inHg

9:00 AM

Sunny

60° 💧 None 💨 7 mph H 88%30.27 inHg

10:00 AM

Partly cloudy

62° 💧 0.001 in 💨 8 mph H 77%30.27 inHg

11:00 AM

Partly cloudy

64° 💧 None 💨 8 mph H 71%30.27 inHg

12:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 65%30.24 inHg

1:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 64%30.24 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 65%30.24 inHg

3:00 PM

Overcast

68° 💧 None 💨 8 mph H 66%30.21 inHg

4:00 PM

Overcast

68° 💧 None 💨 8 mph H 67%30.21 inHg

5:00 PM

Overcast

67° 💧 0.001 in 💨 8 mph H 69%30.21 inHg

6:00 PM

Overcast

67° 💧 None 💨 7 mph H 65%30.21 inHg

7:00 PM

Sunny

66° 💧 None 💨 5 mph H 69%30.21 inHg

8:00 PM

Clear night

62° 💧 None 💨 4 mph H 79%30.21 inHg

9:00 PM

Clear night

60° 💧 None 💨 4 mph H 82%30.21 inHg

10:00 PM

Clear night

59° 💧 None 💨 7 mph H 83%30.21 inHg

11:00 PM

Clear night

58° 💧 None 💨 6 mph H 81%30.21 inHg

Friday

12:00 AM

Clear night

56° 💧 None 💨 6 mph H 82%30.21 inHg

1:00 AM

Clear night

55° 💧 None 💨 6 mph H 85%30.21 inHg

2:00 AM

Clear night

54° 💧 None 💨 5 mph H 88%30.21 inHg

3:00 AM

Clear night

53° 💧 None 💨 6 mph H 89%30.21 inHg

4:00 AM

Clear night

51° 💧 None 💨 6 mph H 92%30.21 inHg

5:00 AM

Clear night

50° 💧 None 💨 5 mph H 95%30.21 inHg

6:00 AM

Clear night

49° 💧 None 💨 5 mph H 96%30.21 inHg

7:00 AM

Partly cloudy night

49° 💧 None 💨 5 mph H 97%30.24 inHg

8:00 AM

Sunny

49° 💧 None 💨 6 mph H 94%30.24 inHg

5:00 PM

Sunny

69° 💧 None 💨 9 mph H 41%30.15 inHg

8:00 PM

Partly cloudy night

60° 💧 None 💨 6 mph H 62%30.18 inHg

11:00 PM

Clear night

55° 💧 None 💨 6 mph H 80%30.18 inHg

Saturday

2:00 AM

Mostly clear night

52° 💧 None 💨 5 mph H 90%30.18 inHg

5:00 AM

Clear night

49° 💧 None 💨 5 mph H 95%30.15 inHg

8:00 AM

Sunny

50° 💧 None 💨 5 mph H 98%30.18 inHg

11:00 AM

Mostly sunny

62° 💧 None 💨 3 mph H 71%30.18 inHg

2:00 PM

Sunny

71° 💧 None 💨 5 mph H 48%30.12 inHg

5:00 PM

Sunny

72° 💧 None 💨 6 mph H 43%30.06 inHg

8:00 PM

Clear night

61° 💧 None 💨 5 mph H 74%30.06 inHg

11:00 PM

Clear night

56° 💧 None 💨 4 mph H 85%30.06 inHg

Sunday

2:00 AM

Clear night

53° 💧 None 💨 4 mph H 88%30.03 inHg

5:00 AM

Clear night

52° 💧 None 💨 4 mph H 94%30.03 inHg

8:00 AM

Sunny

51° 💧 None 💨 5 mph H 97%30.03 inHg

11:00 AM

Sunny

66° 💧 None 💨 3 mph H 59%30.03 inHg

2:00 PM

Sunny

72° 💧 None 💨 4 mph H 36%29.97 inHg

5:00 PM

Sunny

72° 💧 None 💨 6 mph H 41%29.91 inHg

8:00 PM

Clear night

62° 💧 None 💨 6 mph H 68%29.91 inHg

11:00 PM

Mostly clear night

57° 💧 None 💨 3 mph H 85%29.94 inHg

Monday

2:00 AM

Clear night

54° 💧 None 💨 3 mph H 91%29.94 inHg

5:00 AM

Clear night

51° 💧 None 💨 2 mph H 92%29.94 inHg

8:00 AM

Sunny

50° 💧 None 💨 1 mph H 95%29.97 inHg

11:00 AM

Mostly sunny

66° 💧 None 💨 1 mph H 50%29.97 inHg

2:00 PM

Sunny

73° 💧 None 💨 0 mph H 35%29.94 inHg

8:00 PM

Clear night

74° 💧 None 💨 3 mph H 44%29.91 inHg

Tuesday

2:00 AM

Clear night

64° 💧 None 💨 3 mph H 71%29.91 inHg

8:00 AM

Sunny

56° 💧 None 💨 0 mph H 87%29.94 inHg

2:00 PM

Partly cloudy

50° 💧 None 💨 4 mph H 99%29.97 inHg

8:00 PM

Clear night

77° 💧 None 💨 1 mph H 35%29.94 inHg

Wednesday

2:00 AM

Clear night

66° 💧 None 💨 4 mph H 54%29.88 inHg

8:00 AM

Sunny

57° 💧 None 💨 5 mph H 86%29.88 inHg

2:00 PM

Mostly cloudy

55° 💧 None 💨 6 mph H 77%29.91 inHg

8:00 PM

Mostly cloudy night

87° 💧 None 💨 8 mph H 32%29.83 inHg

Thursday

2:00 AM

Overcast night

73° 💧 None 💨 6 mph H 58%29.80 inHg

8:00 AM

Overcast

69° 💧 None 💨 7 mph H 67%29.85 inHg

2:00 PM

Partly cloudy

68° 💧 None 💨 7 mph H 69%29.88 inHg

8:00 PM

Mostly cloudy night

83° 💧 None 💨 11 mph H 50%29.88 inHg

Friday

2:00 AM

Overcast night

76° 💧 None 💨 10 mph H 66%29.88 inHg

8:00 AM

Light rain

69° 💧 None 💨 6 mph H 85%29.91 inHg

2:00 PM

Light rain

65° 💧 None 💨 8 mph H 98%29.94 inHg

8:00 PM

Light rain

78° 💧 None 💨 8 mph H 68%29.91 inHg

Saturday

2:00 AM

Mostly clear night

72° 💧 None 💨 5 mph H 88%29.88 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 5 mph H 96%29.88 inHg

2:00 PM

Sunny

65° 💧 None 💨 6 mph H 97%29.88 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 8 mph H 57%29.80 inHg

Sunday

2:00 AM

Light rain

70° 💧 None 💨 5 mph H 86%29.77 inHg

8:00 AM

Sunny

62° 💧 None 💨 6 mph H 99%29.80 inHg

2:00 PM

Mostly sunny

59° 💧 None 💨 6 mph H 98%29.83 inHg

8:00 PM

Overcast night

69° 💧 None 💨 13 mph H 47%29.83 inHg

Monday

2:00 AM

Mostly clear night

62° 💧 None 💨 5 mph H 61%29.88 inHg

8:00 AM

Mostly sunny

54° 💧 None 💨 6 mph H 83%29.91 inHg

2:00 PM

Overcast

55° 💧 None 💨 5 mph H 81%29.97 inHg

8:00 PM

Overcast night

64° 💧 None 💨 11 mph H 52%29.94 inHg

Tuesday

2:00 AM

Clear night

56° 💧 None 💨 4 mph H 70%29.94 inHg

8:00 AM

Sunny

50° 💧 None 💨 4 mph H 82%29.97 inHg

2:00 PM

Mostly sunny

47° 💧 None 💨 4 mph H 89%30.03 inHg

8:00 PM

Mostly clear night

66° 💧 None 💨 7 mph H 40%29.97 inHg

Wednesday

2:00 AM

Mostly clear night

55° 💧 None 💨 5 mph H 69%30.00 inHg

8:00 AM

Sunny

50° 💧 None 💨 4 mph H 81%30.03 inHg

2:00 PM

Mostly sunny

49° 💧 None 💨 3 mph H 88%30.06 inHg

In Grayson and, more broadly, across the state of Kentucky: Cloudy skies this morning give way to hot conditions this afternoon, with temperatures rising between 67 and 86 degrees Fahrenheit. Light northeast winds, reaching up to 7 mph with gusts up to 13 mph, will be felt throughout the day. There is a possibility of light rain, with an accumulation around 0.09 inches, and the highest chance of rain is around 78%. Overall, expect a warm day with variable cloud cover and some chances of brief showers.

15-Day Weather Outlook for Grayson

TomorrowTomorrow

Thunderstorms 74°/62° 💧 None 💨 10 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 68°/58° 💧 None 💨 9 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 69°/49° 💧 0.258 in 💨 9 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 72°/49° 💧 None 💨 6 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 72°/51° 💧 None 💨 6 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 74°/50° 💧 0.254 in 💨 3 mph

Tuesday, Sep 29Tue Sep 29

Partly cloudy 77°/50° 💧 None 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Mostly cloudy 87°/55° 💧 None 💨 8 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 83°/68° 💧 0.096 in 💨 11 mph

Friday, Oct 2Fri Oct 2

Light rain 78°/65° 💧 0.323 in 💨 10 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 81°/65° 💧 0.053 in 💨 8 mph

Sunday, Oct 4Sun Oct 4

Light rain 70°/59° 💧 0.086 in 💨 13 mph

Monday, Oct 5Mon Oct 5

Overcast 64°/54° 💧 0.001 in 💨 11 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 66°/47° 💧 None 💨 7 mph

Wednesday, Oct 7Wed Oct 7

Mostly sunny 55°/49° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Grayson

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Grayson

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 12:00 AM

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

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

O₃ Ozone Good 50,3µg/m³

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

NO₂ Nitrogen dioxide Good 3,5µg/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 Grayson

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 5,6Moderate —Unavailable

Tomorrow UV 1,6Low 😊Good

Thursday UV 5,2Moderate 🙂Fair

Friday UV 5,9Moderate 🙂Fair

Saturday UV 6,0High 😐Moderate

Sunday UV 6,0High —Unavailable

Monday UV 6,0High —Unavailable

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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 Grayson

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GRAYSON, KENTUCKY

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

26/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 100% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 64° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

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

SEP 20–NOV 20

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

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 Grayson were last refreshed today at 11:11 PM. The current forecast period extends through 24/09/2026 at 9:00 PM. 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.