Grayson, KY Weather Forecast | 5 Day
Updated: Tue Sep 22nd 2026 3:15 PM EDT
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Tue 9-22-26
Sunny with a high of 77°F and a low of 54°F. Rainfall expected to have a 66% chance with an estimated 0.1in. Winds will be light at 9mph and gusts of 20.1mph at 9 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 98% at 11 PM and 51% being its lowest at 5 PM. Barometric pressure is its highest of 30.12inHg at 10 PM, a lowest point of 30.03inHg at 5 PM with an avg 30.08inHg.
- HI: 77°F
- LO: 54°F
- Rainfall: 66% | est. 0.1in
- Snowfall: 0%
- Wind
8.7 mph - Humidity
79% avg. - UV Index
5.1 - Air QualityGood
- Sunrise
07:19 AM - Sunset
07:29 PM - Moonrise
05:43 PM - Moonset
03:21 AM - Moon Phase
Waxing Gibbous
Light Rain Shower
Weather Tomorrow, Wed 9-23-26
Light Rain Shower with a high of 68°F and a low of 58°F. It will likey rain, having a 91% chance of a downpour with an estimated 0.32in. Winds will be light at 10mph and gusts of 25.6mph at 9 PM. High humidity with average of 93% is anticipated, the maximum being 100% at 2 AM and 77% being its lowest at 11 AM. Barometric pressure is its highest of 30.2inHg at 11 PM, a lowest point of 30.11inHg at 4 AM with an avg 30.14inHg.
- HI: 68°F
- LO: 58°F
- Rainfall: 91% | est. 0.32in
- Snowfall: 0%
- Wind
9.2 mph - Humidity
93% avg. - UV Index
1.9 - Air QualityGood
- Sunrise
07:20 AM - Sunset
07:27 PM - Moonrise
06:08 PM - Moonset
04:21 AM - Moon Phase
Waxing Gibbous
Overcast
Thu 9-24-26
Overcast with a high of 69°F and a low of 54°F. There's a moderate 31% chance of rainfall with an estimated 0.01in. Winds will be light at 10mph and gusts of 26.2mph at 12 AM. The humidity will be on the higher side, averaging about 78%, the maximum being 95% at 12 AM and 56% being its lowest at 2 PM. Barometric pressure is its highest of 30.27inHg at 11 AM, a lowest point of 30.2inHg at 1 AM with an avg 30.23inHg.
- HI: 69°F
- LO: 54°F
- Rainfall: 31% | est. 0.01in
- Snowfall: 0%
- Wind
9.8 mph - Humidity
78% avg. - UV Index
5.9 - Air QualityGood
- Sunrise
07:21 AM - Sunset
07:26 PM - Moonrise
06:30 PM - Moonset
05:21 AM - Moon Phase
Full Moon
Sunny
Fri 9-25-26
Sunny with a high of 72°F and a low of 48°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 8mph and gusts of 14.3mph at 7 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 97% at 7 AM and 32% being its lowest at 4 PM. Barometric pressure is its highest of 30.28inHg at 8 AM, a lowest point of 30.16inHg at 5 PM with an avg 30.23inHg.
- HI: 72°F
- LO: 48°F
- Rainfall: 7%
- Snowfall: 0%
- Wind
7.4 mph - Humidity
68% avg. - UV Index
6.2 - Air QualityGood
- Sunrise
07:22 AM - Sunset
07:24 PM - Moonrise
06:51 PM - Moonset
06:21 AM - Moon Phase
Full Moon
Sunny
Sat 9-26-26
Sunny with a high of 74°F and a low of 47°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 6mph and gusts of 15.9mph at 8 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 93% at 7 AM and 28% being its lowest at 4 PM. Barometric pressure is its highest of 30.23inHg at 9 AM, a lowest point of 30.11inHg at 5 PM with an avg 30.18inHg.
- HI: 74°F
- LO: 47°F
- Rainfall: 5%
- Snowfall: 0%
- Wind
5.6 mph - Humidity
64% avg. - UV Index
6 - Air QualityGood
- Sunrise
07:23 AM - Sunset
07:23 PM - Moonrise
07:13 PM - Moonset
07:21 AM - Moon Phase
Full Moon
Sunny
Sun 9-27-26
Sunny with a high of 73°F and a low of 49°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 5mph and gusts of 6.1mph at 11 AM. The humidity will be on the higher side, averaging about 61%, the maximum being 86% at 8 AM and 28% being its lowest at 2 PM. Barometric pressure is its highest of 30.17inHg at 8 AM, a lowest point of 30.02inHg at 5 PM with an avg 30.11inHg.
- HI: 73°F
- LO: 49°F
- Rainfall: 4%
- Snowfall: 0%
- Wind
4.7 mph - Humidity
61% avg. - UV Index
6 - Air QualityTBA
- Sunrise
07:24 AM - Sunset
07:21 PM - Moonrise
07:37 PM - Moonset
08:23 AM - Moon Phase
Waning Gibbous
This 5-Day weather forecast is relevant for ZIP codes 41143 and 41163, accurately covering areas of Grayson, KY.
Currently
| 77°F |
30.05 inHg.
Barometer 49%
Humidity NNE 7.2 mph Wind |
|
| Cloudy | ||
National Outlook
Heavy Rains and Thunderstorms for the Mid-Atlantic and Southeast - 09-21 to 09-23
Mon Sep 21st 2026, 6:28am PDT
Read
Storms and Cool Temperatures Expected in the East 09-24 to 09-28
Extended Forecast
Mon Sep 21st 2026, 6:29am PDT
Read
Mon Sep 21st 2026, 6:29am PDT

