Grayson County, KY Weather Forecast
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Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
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A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny, with a high near 88. Southwest wind 2 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Grayson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Grayson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 9 to Jul 15, 2026
- Latest sync
- Jul 9, 2026 1:40 AM CDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in Grayson County
Wednesday looks like the warmest upcoming period in Grayson County at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Thursday at about 2 to 9 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 9, 2026 1:40 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LMK
- Radar station
- KLVX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 9pm and 11pm, then showers and thunderstorms likely between 11pm and midnight, then a chance of showers and thunderstorms between midnight and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 71. Southwest wind 2 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 86. Southwest wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 80%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 67. Chance of precipitation is 20%.
Sunny, with a high near 88.
Mostly clear, with a low around 69.
Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 9
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
88°F |
2 to 9 mph
SW
|
|
Thursday Night
Jul 9
|
Chance Showers And Thunderstorms
|
71°F |
2 to 8 mph
SW
|
|
Friday
Jul 10
|
Showers And Thunderstorms
|
86°F |
5 to 8 mph
SW
|
|
Friday Night
Jul 10
|
Showers And Thunderstorms Likely then Showers And Thunderstorms
|
70°F |
2 to 6 mph
SW
|
|
Saturday
Jul 11
|
Showers And Thunderstorms
|
85°F |
5 mph
W
|
|
Saturday Night
Jul 11
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
68°F |
3 mph
N
|
|
Sunday
Jul 12
|
Chance Showers And Thunderstorms
|
84°F |
2 to 6 mph
NE
|
|
Sunday Night
Jul 12
|
Chance Showers And Thunderstorms
|
67°F |
5 mph
NE
|
|
Monday
Jul 13
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
2 to 6 mph
NE
|
|
Monday Night
Jul 13
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
67°F |
1 to 5 mph
NE
|
|
Tuesday
Jul 14
|
Sunny
|
88°F |
1 to 5 mph
E
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
2 mph
NE
|
|
Wednesday
Jul 15
|
Sunny
|
89°F |
3 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Grayson County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Grayson County.
Largest mapped city population in this region: 6,819.
