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Grant County (Williamstown)
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United States weather

Weather in Grant County, Kentucky for August 2026

Your guide to Grant County weather in August - trends and predictions

    Temperatures

  • Until now, August 2026 in Grant County has been nearly identical to the historical average, with a temperature of 30.1 °F (showing only a slight deviation of 0.4 °F).

  • The forecast for the next days in Grant County predicts a temperature of 26.5 °F, which is cooler than the historical average.

  • In general, the average temperature in Grant County at the beginning of August is 28.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 30.1 °F by the end of August.

    • Rain 🌧️

  • With an average of 3 rainy days, Grant County experiences minimal rainfall in August.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
28
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/19°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Grant County Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Heavy rain at times
26°
2
Partly cloudy
25°
3
Overcast
25°
4
Cloudy
30°
5
Heavy rain
29°
6
Mist
31°
7
Fog
31°
8
Partly cloudy
32°
9
Partly cloudy
32°
10
Overcast
32°
11
Overcast
31°
12
Thundery outbreaks possible
29°
13
Fog
31°
14
Fog
32°
15
Cloudy
31°
16
Partly cloudy
33°
17
Fog
30°
18
Partly cloudy
29°
19
Fog
30°
20
Mist
28°
21
Overcast
29°
22
Overcast
28°
23
Mist
28°
24
Overcast
27°
25
Sunny
30°
26
Overcast
29°
27
Sunny
30°
28
Sunny
30°
29
Overcast
31°
30
Overcast
34°
31
Overcast
27°

Temperatures trend during August in Grant County

See the weather trend as well as the moving average line

August weather in Grant County day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Heavy rain at times
Heavy rain at times
 26° /21° 17.1 mm 5
Aug. 2 Partly cloudy
Partly cloudy
 25° /17° 2.3 mm 11
Aug. 3 Overcast
Overcast
 25° /18° 0.1 mm 8
Aug. 4 Cloudy
Cloudy
 30° /18° 0 mm 10
Aug. 5 Heavy rain
Heavy rain
 29° /18° 77.8 mm 8
Aug. 6 Mist
Mist
 31° /18° 0.6 mm 11
Aug. 7 Fog
Fog
 31° /20° 9.8 mm 7
Aug. 8 Partly cloudy
Partly cloudy
 32° /21° 1.2 mm 11
Aug. 9 Partly cloudy
Partly cloudy
 32° /21° 0.6 mm 11
Aug. 10 Overcast
Overcast
 32° /21° 5.7 mm 11
Aug. 11 Overcast
Overcast
 31° /21° 24.1 mm 9
Aug. 12 Thundery outbreaks possible
Thundery outbreaks possible
 29° /20° 18.4 mm 9
Aug. 13 Fog
Fog
 31° /20° 2.2 mm 8
Aug. 14 Fog
Fog
 32° /21° 1.4 mm 11
Aug. 15 Cloudy
Cloudy
 31° /21° 2.3 mm 9
Aug. 16 Partly cloudy
Partly cloudy
 33° /24° 7.7 mm 10
Aug. 17 Fog
Fog
 30° /22° 1.5 mm 7
Aug. 18 Partly cloudy
Partly cloudy
 29° /19° 0 mm 10
Aug. 19 Fog
Fog
 30° /18° 1.1 mm 8
Aug. 20 Mist
Mist
 28° /19° 10.5 mm 5
Aug. 21 Overcast
Overcast
 29° /18° 0.1 mm 8
Aug. 22 Overcast
Overcast
 28° /19° 2.2 mm 4
Aug. 23 Mist
Mist
 28° /16° 0.2 mm 8
Aug. 24 Overcast
Overcast
 27° /16° 0 mm 8
Aug. 25 Sunny
Sunny
 30° /14° 0 mm 8.5
Aug. 26 Overcast
Overcast
 29° /16° 0 mm 6.8
Aug. 27 Sunny
Sunny
 30° /19° 4.6 mm 7.9
Aug. 28 Sunny
Sunny
 30° /19° 0.5 mm 8
Aug. 29 Overcast
Overcast
 31° /18° 0 mm 7
Aug. 30 Overcast
Overcast
 34° /22° 0.7 mm 8
Aug. 31 Overcast
Overcast
 27° /23° 2.9 mm 6
Next
Important Notice
Our weather forecast for Grant County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grant County forecast closer to your planned date for the most up-to-date weather information.
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Grant County in August - FAQ

What are the expected maximum and minimum temperatures in Grant County during August?
During August, expect a variety of temperatures with highs around 28° and lows near 19°, suitable for diverse activities and preferences.

How much rainfall should be expected in Grant County during August?
Significant rainfall exceeding 159.8 mm is expected in Grant County during August, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Grant County during August?
The average wind speed in Grant County during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Grant County

Explore the daily rainfall trends and prepare for Grant Countys August weather 💧
Typically, Grant County has 3 rainy days in August with a total of 159.8 mm of rainfall.

UV exposure in Grant County during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Moses LakeWilliamstown
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Location coordinates Where is Grant County?

Get accurate weather forecasts for Grant County, located at latitude 38.638 and longitude -84.561. Stay updated with localized weather information tailored for Grant County.

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