Grayson, KY Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grayson, KY in one place.
A slight chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 88. Southwest wind 2 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Grayson, KY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 9:44 AM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Grayson, KY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 9:44 AM EDT
- Forecast office
- RLX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grayson
Tuesday looks like the warmest upcoming period in Grayson at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 9 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 9:44 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- RLX
- Radar station
- KJKL
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 before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 70. West wind 2 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 2pm. Mostly sunny, with a high near 86. Northwest wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 63.
Sunny, with a high near 88.
Partly cloudy, with a low around 69.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 83.
Mostly clear, with a low around 59.
Sunny, with a high near 82.
Mostly clear, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
88°F |
2 to 7 mph
SW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
70°F |
2 to 7 mph
W
|
|
Sunday
Jul 19
|
Showers And Thunderstorms Likely
|
86°F |
3 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
63°F |
0 to 3 mph
NE
|
|
Monday
Jul 20
|
Sunny
|
88°F |
1 mph
S
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
69°F |
2 mph
SW
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
89°F |
3 to 9 mph
SW
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
67°F |
3 to 9 mph
W
|
|
Wednesday
Jul 22
|
Slight Chance Rain Showers then Mostly Sunny
|
83°F |
6 mph
NW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
59°F |
2 to 6 mph
N
|
|
Thursday
Jul 23
|
Sunny
|
82°F |
3 mph
NE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
59°F |
0 to 3 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grayson.