Local weather forecast

Weather in Grayson, KY

Updated 2026-08-11 12:00 local time · ZIP codes 41143

Cloudy
Now81°F

Cloudy

High / Low100° / 71°
Rain chance66%
Wind10 mph
Weather alerts

Active alerts

1
Flood Watch issued August 11 at 3:35AM EDT until August 14 at 8:00AM EDT by NWS Charleston WV

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northeast Kentucky, including the following counties, Boyd, Carter, Greenup and Lawrence, southeast Ohio, including the following counties, Athens, Gallia, Jackson OH, Lawrence OH, Meigs, Morgan, Perry, Vinton and Washington, southwest Virginia, including the following counties, Buchanan and Dickenson, and West Virginia, including the following counties, Barbour, Boone, Braxton, Cabell, Calhoun, Clay, Doddridge, Gilmer, Harrison, Jackson WV, Kanawha, Lewis, Lincoln, Logan, Mason, McDowell, Mingo, Northwest Fayette, Northwest Nicholas, Northwest Pocahontas, Northwest Raleigh, Northwest Randolph, Northwest Webster, Pleasants, Putnam, Ritchie, Roane, Southeast Fayette, Southeast Nicholas, Southeast Pocahontas, Southeast Raleigh, Southeast Randolph, Southeast Webster, Taylor, Tyler, Upshur, Wayne, Wirt, Wood and Wyoming. * WHEN...Through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Rounds of thunderstorms will track through the area, bringing the potential for heavy downpours and training storms, which may cause flooding. - http://www.weather.gov/safety/flood

Safety instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Additional information can be found at https://www.weather.gov/rlx as well as on our X and Facebook pages.

Hourly

Next hours

NowCloudy81°5% rain
1 PMSunny94°3% rain
2 PMSunny99°2% rain
3 PMSunny96°2% rain
4 PMSunny97°2% rain
5 PMSunny100°1% rain
6 PMSunny98°1% rain
7 PMSunny94°1% rain
8 PMSunny75°10% rain
9 PMPatchy rain nearby73°74% rain
10 PMPatchy rain nearby73°85% rain
11 PMModerate rain71°90% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
100° 71°Sunny
Rain 66%Gust 13 mph
Tomorrow2026-08-12
Patchy rain nearby
94° 65°Patchy rain nearby
Rain 81%Gust 15 mph
Thursday2026-08-13
Fog
89° 65°Fog
Rain 88%Gust 8 mph
Conditions

Weather details

Feels like85°F
Humidity79%
Pressure30.05 inHg
Visibility10 mi
Wind10 mph WSW
Wind gusts11 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:42 AM
Sunset08:31 PM
Moonrise04:45 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 90% over the next 12 hours.

Light layers should work

It feels like 85°F with winds near 10 mph.

Best window: 8 PM

75°F, 10% rain chance and 5 mph wind.

Use extra caution while driving

Visibility is around 10 mi; gusts may reach 18 mph.

Running conditions are less comfortable

Current temperature is 81°F, wind 10 mph, rain chance up to 90%.

Low UV protection needs

UV index is 2.

Grayson weather today

Cloudy and 81°F in Grayson, KY. Today's high is 100°F with a 66% rain chance. Winds are around 10 mph with gusts near 11 mph. Relative humidity is 79%, pressure is 30.05 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Grayson

Sunrise is at 06:42 AM and sunset is at 08:31 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 94°F and a low near 65°F. The maximum rain chance is 81%.

Nearby

Weather near Grayson

Kentucky

Popular cities in Kentucky

View state page →