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Current weather in Grayson is few 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 · 1:02 PM

Grayson Weather & Hourly Forecast

United States · Kentucky · 41143

94°F

Mostly sunny

Feels like: 105°F

💧 Humidity 54% 🌡 Pressure 30.09 inHg 💨 Wind 6 mph 👁 Visibility 6.2 mi ☁ Clouds 20% ☀️ UV index 8.5 · Very high 🌅 Sunrise 7:01 AM 🌇 Sunset 8:02 PM

Hourly Forecast for Grayson

Today

2:00 PM

Mostly sunny

94° 💧 None 💨 6 mph H 54%30.09 inHg

5:00 PM

Partly cloudy

94° 💧 None 💨 6 mph H 41%30.03 inHg

8:00 PM

Mostly sunny

83° 💧 None 💨 6 mph H 56%30.00 inHg

11:00 PM

Clear night

78° 💧 None 💨 5 mph H 60%30.00 inHg

Tomorrow

2:00 AM

Clear night

74° 💧 None 💨 2 mph H 68%30.03 inHg

5:00 AM

Clear night

74° 💧 None 💨 3 mph H 74%30.06 inHg

8:00 AM

Sunny

74° 💧 None 💨 3 mph H 77%30.09 inHg

11:00 AM

Sunny

88° 💧 None 💨 5 mph H 47%30.09 inHg

2:00 PM

Sunny

95° 💧 None 💨 6 mph H 34%30.03 inHg

5:00 PM

Sunny

98° 💧 None 💨 5 mph H 31%29.97 inHg

8:00 PM

Sunny

86° 💧 0.01 in 💨 4 mph H 53%29.97 inHg

11:00 PM

Clear night

80° 💧 None 💨 3 mph H 67%30.00 inHg

Thursday

2:00 AM

Clear night

77° 💧 None 💨 3 mph H 73%30.00 inHg

5:00 AM

Clear night

74° 💧 None 💨 3 mph H 77%30.00 inHg

8:00 AM

Sunny

75° 💧 None 💨 4 mph H 79%30.03 inHg

11:00 AM

Sunny

92° 💧 None 💨 5 mph H 45%30.03 inHg

Today

2:00 PM

Mostly sunny

94° 💧 None 💨 6 mph H 54%30.09 inHg

3:00 PM

Partly cloudy

94° 💧 None 💨 5 mph H 50%30.06 inHg

4:00 PM

Partly cloudy

93° 💧 None 💨 5 mph H 45%30.03 inHg

5:00 PM

Partly cloudy

94° 💧 None 💨 6 mph H 41%30.03 inHg

6:00 PM

Partly cloudy

90° 💧 None 💨 6 mph H 41%29.97 inHg

7:00 PM

Mostly sunny

87° 💧 None 💨 6 mph H 49%29.97 inHg

8:00 PM

Mostly sunny

83° 💧 None 💨 6 mph H 56%30.00 inHg

9:00 PM

Clear night

81° 💧 None 💨 5 mph H 57%30.00 inHg

10:00 PM

Clear night

79° 💧 None 💨 5 mph H 59%30.03 inHg

11:00 PM

Clear night

78° 💧 None 💨 5 mph H 60%30.00 inHg

Tomorrow

12:00 AM

Clear night

76° 💧 None 💨 4 mph H 62%30.00 inHg

1:00 AM

Clear night

76° 💧 None 💨 3 mph H 64%30.03 inHg

2:00 AM

Clear night

74° 💧 None 💨 2 mph H 68%30.03 inHg

3:00 AM

Clear night

75° 💧 None 💨 2 mph H 71%30.03 inHg

4:00 AM

Clear night

74° 💧 None 💨 2 mph H 73%30.03 inHg

5:00 AM

Clear night

74° 💧 None 💨 3 mph H 74%30.06 inHg

6:00 AM

Clear night

73° 💧 None 💨 3 mph H 75%30.06 inHg

7:00 AM

Clear night

73° 💧 None 💨 4 mph H 77%30.06 inHg

8:00 AM

Sunny

74° 💧 None 💨 3 mph H 77%30.09 inHg

9:00 AM

Sunny

78° 💧 None 💨 3 mph H 66%30.09 inHg

10:00 AM

Sunny

83° 💧 None 💨 4 mph H 55%30.09 inHg

11:00 AM

Sunny

88° 💧 None 💨 5 mph H 47%30.09 inHg

12:00 PM

Sunny

91° 💧 None 💨 5 mph H 41%30.06 inHg

1:00 PM

Sunny

93° 💧 None 💨 5 mph H 37%30.06 inHg

2:00 PM

Sunny

95° 💧 None 💨 6 mph H 34%30.03 inHg

3:00 PM

Sunny

96° 💧 None 💨 6 mph H 31%30.00 inHg

4:00 PM

Sunny

98° 💧 None 💨 5 mph H 31%30.00 inHg

5:00 PM

Sunny

98° 💧 None 💨 5 mph H 31%29.97 inHg

6:00 PM

Sunny

95° 💧 None 💨 5 mph H 35%29.97 inHg

7:00 PM

Sunny

92° 💧 None 💨 4 mph H 48%29.97 inHg

8:00 PM

Sunny

86° 💧 None 💨 4 mph H 53%29.97 inHg

9:00 PM

Light rain

83° 💧 0.01 in 💨 4 mph H 60%29.97 inHg

10:00 PM

Light rain

81° 💧 0.00 in 💨 4 mph H 65%30.00 inHg

11:00 PM

Clear night

80° 💧 None 💨 3 mph H 67%30.00 inHg

Thursday

12:00 AM

Clear night

79° 💧 None 💨 4 mph H 70%30.00 inHg

1:00 AM

Clear night

78° 💧 None 💨 4 mph H 72%30.00 inHg

2:00 AM

Clear night

77° 💧 None 💨 3 mph H 73%30.00 inHg

3:00 AM

Clear night

75° 💧 None 💨 2 mph H 75%30.00 inHg

4:00 AM

Clear night

75° 💧 None 💨 3 mph H 76%30.00 inHg

5:00 AM

Clear night

74° 💧 None 💨 3 mph H 77%30.00 inHg

6:00 AM

Clear night

74° 💧 None 💨 3 mph H 78%30.00 inHg

7:00 AM

Clear night

73° 💧 None 💨 4 mph H 79%30.00 inHg

8:00 AM

Sunny

75° 💧 None 💨 4 mph H 79%30.03 inHg

9:00 AM

Sunny

81° 💧 None 💨 4 mph H 68%30.03 inHg

10:00 AM

Sunny

87° 💧 None 💨 5 mph H 55%30.03 inHg

11:00 AM

Sunny

92° 💧 None 💨 5 mph H 45%30.03 inHg

12:00 PM

Sunny

96° 💧 None 💨 5 mph H 39%30.03 inHg

1:00 PM

Sunny

98° 💧 None 💨 6 mph H 35%30.00 inHg

2:00 PM

Sunny

99° 💧 None 💨 7 mph H 32%29.97 inHg

3:00 PM

Sunny

100° 💧 None 💨 7 mph H 31%29.97 inHg

4:00 PM

Sunny

101° 💧 None 💨 7 mph H 29%29.94 inHg

5:00 PM

Sunny

100° 💧 None 💨 8 mph H 29%29.91 inHg

6:00 PM

Light rain

92° 💧 0.01 in 💨 6 mph H 47%29.91 inHg

7:00 PM

Light rain

87° 💧 0.01 in 💨 6 mph H 59%29.91 inHg

8:00 PM

Clear night

82° 💧 None 💨 3 mph H 65%29.91 inHg

9:00 PM

Clear night

79° 💧 None 💨 2 mph H 69%29.94 inHg

10:00 PM

Clear night

78° 💧 None 💨 5 mph H 71%29.97 inHg

11:00 PM

Mostly clear night

79° 💧 None 💨 5 mph H 67%29.97 inHg

Friday

12:00 AM

Partly cloudy night

81° 💧 None 💨 4 mph H 64%29.97 inHg

1:00 AM

Partly cloudy night

77° 💧 None 💨 2 mph H 72%29.97 inHg

2:00 AM

Light rain

73° 💧 0.01 in 💨 5 mph H 85%30.00 inHg

3:00 AM

Light rain

71° 💧 0.02 in 💨 4 mph H 90%30.00 inHg

4:00 AM

Light rain

70° 💧 0.01 in 💨 5 mph H 90%29.97 inHg

5:00 AM

Clear night

70° 💧 None 💨 4 mph H 91%29.97 inHg

6:00 AM

Clear night

70° 💧 None 💨 4 mph H 92%29.97 inHg

7:00 AM

Clear night

70° 💧 None 💨 4 mph H 92%29.97 inHg

8:00 AM

Sunny

73° 💧 None 💨 3 mph H 90%29.97 inHg

9:00 AM

Sunny

77° 💧 None 💨 1 mph H 83%30.00 inHg

10:00 AM

Sunny

83° 💧 None 💨 2 mph H 68%30.00 inHg

11:00 AM

Sunny

88° 💧 None 💨 4 mph H 54%30.00 inHg

12:00 PM

Sunny

93° 💧 None 💨 6 mph H 44%29.97 inHg

1:00 PM

Sunny

96° 💧 None 💨 6 mph H 39%29.97 inHg

2:00 PM

Sunny

98° 💧 None 💨 6 mph H 35%29.94 inHg

3:00 PM

Partly cloudy

99° 💧 None 💨 4 mph H 32%29.91 inHg

4:00 PM

Moderate rain

83° 💧 0.06 in 💨 14 mph H 69%29.91 inHg

5:00 PM

Moderate rain

75° 💧 0.08 in 💨 10 mph H 95%29.91 inHg

6:00 PM

Heavy rain

75° 💧 0.38 in 💨 10 mph H 96%29.94 inHg

7:00 PM

Very heavy rain

67° 💧 0.68 in 💨 10 mph H 96%29.91 inHg

8:00 PM

Light rain

68° 💧 0.02 in 💨 7 mph H 94%29.97 inHg

9:00 PM

Light rain

68° 💧 0.01 in 💨 2 mph H 95%29.94 inHg

10:00 PM

Overcast night

69° 💧 None 💨 3 mph H 94%29.97 inHg

11:00 PM

Light rain

68° 💧 0.01 in 💨 3 mph H 97%29.97 inHg

Saturday

12:00 AM

Overcast night

68° 💧 None 💨 2 mph H 96%29.97 inHg

1:00 AM

Overcast night

68° 💧 None 💨 2 mph H 96%29.97 inHg

2:00 AM

Mostly cloudy night

68° 💧 None 💨 3 mph H 95%29.94 inHg

3:00 AM

Light rain

68° 💧 0.02 in 💨 2 mph H 96%29.94 inHg

4:00 AM

Overcast night

68° 💧 None 💨 3 mph H 96%29.94 inHg

5:00 AM

Overcast night

68° 💧 None 💨 2 mph H 97%29.94 inHg

6:00 AM

Overcast night

68° 💧 None 💨 1 mph H 97%29.97 inHg

7:00 AM

Overcast night

68° 💧 None 💨 1 mph H 97%29.97 inHg

8:00 AM

Overcast

69° 💧 None 💨 2 mph H 97%30.00 inHg

9:00 AM

Overcast

72° 💧 None 💨 3 mph H 94%30.00 inHg

10:00 AM

Light rain

74° 💧 0.02 in 💨 2 mph H 91%30.00 inHg

11:00 AM

Overcast

79° 💧 None 💨 3 mph H 78%30.00 inHg

12:00 PM

Mostly cloudy

84° 💧 None 💨 3 mph H 62%30.00 inHg

1:00 PM

Mostly cloudy

87° 💧 None 💨 3 mph H 54%29.97 inHg

In Grayson and, more broadly, across the state of Kentucky: The rest of the day will be marked by clear skies and hot weather, with temperatures ranging from the mid-70s to the low 90s. Expect mostly sunny conditions, with no precipitation anticipated. Winds will be light, coming from the southwest at around 5 mph, with occasional gusts reaching up to 7 mph. It will be a warm afternoon, so staying hydrated and wearing sun protection is advised. Overall, it will be a dry and hot day with calm winds.

15-Day Weather Outlook for Grayson

TomorrowTomorrow

Light rain 98°/73° 💧 0.01 in 💨 6 mph

Thursday, Sep 3Thu Sep 3

Light rain 101°/73° 💧 0.01 in 💨 8 mph

Friday, Sep 4Fri Sep 4

Heavy rain 98°/68° 💧 1.27 in 💨 10 mph

Saturday, Sep 5Sat Sep 5

Light rain 90°/68° 💧 0.04 in 💨 7 mph

Sunday, Sep 6Sun Sep 6

Sunny 87°/61° 💧 None 💨 5 mph

Monday, Sep 7Mon Sep 7

Overcast 90°/61° 💧 None 💨 4 mph

Tuesday, Sep 8Tue Sep 8

Light rain 83°/68° 💧 0.21 in 💨 13 mph

Wednesday, Sep 9Wed Sep 9

Light rain 97°/66° 💧 0.09 in 💨 11 mph

Thursday, Sep 10Thu Sep 10

Light rain 98°/77° 💧 0.02 in 💨 15 mph

Friday, Sep 11Fri Sep 11

Moderate rain 92°/70° 💧 0.36 in 💨 5 mph

Saturday, Sep 12Sat Sep 12

Light rain 94°/70° 💧 0.11 in 💨 9 mph

Sunday, Sep 13Sun Sep 13

Light rain 88°/70° 💧 0.18 in 💨 6 mph

Monday, Sep 14Mon Sep 14

Moderate rain 85°/70° 💧 0.60 in 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Light rain 70°/59° 💧 0.02 in 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Overcast 75°/51° 💧 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

Fair

Nearest forecast value 2:00 PM

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

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

O₃ Ozone Fair 95,3µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/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 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 8,6Very high 🙂Fair

Tomorrow UV 8,5Very high 🙂Fair

Thursday UV 8,4Very high 🙂Fair

Friday UV 8,2Very high 🙂Fair

Saturday UV 8,0Very high 😊Good

Sunday UV 7,0High —Unavailable

Monday UV 8,0Very high —Unavailable

Hourly UV index today

2:00 PMUV 8,6 3:00 PMUV 7,3 4:00 PMUV 5,2 5:00 PMUV 3,0 6:00 PMUV 1,2 7:00 PMUV 0,3

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

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

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Grayson

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.92 Population: 3,778

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Forecast data for Grayson were last refreshed today at 1:02 PM. The current forecast period extends through 03/09/2026 at 11:00 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.