Grant County (Moses Lake)
August
Weather in Grant County, Washington for August 2025
Your guide to Grant County weather in August - trends and predictions
The forecast for the next days in Grant County predicts temperatures to be around 35 °F, close to the historical average.
In general, the average temperature in Grant County at the beginning of August is 31.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 28 °F by the end of August.
Precipitation in Grant County during August is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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30
Dry days
1
Rainy days
0
Snow days
31°/17°
Temperatures
19 km/h
Avg max wind
33 %
Avg humidity
Grant County Weather August
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Temperatures trend during August in Grant County
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August weather in Grant County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 31° /19° | 3.5 mm | 7 | |
| Aug. 2 | Sunny | 39° /20° | 0 mm | 9 | |
| Aug. 3 |  Partly cloudy | 36° /17° | 0 mm | 8 | |
| Aug. 4 |  Cloudy | 32° /17° | 0 mm | 8 | |
| Aug. 5 | Partly cloudy | 31° /10° | 0 mm | 1.9 | |
| Aug. 6 |  Overcast | 26° /14° | 0 mm | 0.8 | |
| Aug. 7 | Partly cloudy | 24° /10° | 0 mm | 1.8 | |
| Aug. 8 | Sunny | 30° /7° | 0 mm | 2.1 | |
| Aug. 9 | Sunny | 33° /16° | 0 mm | 0 | |
| Aug. 10 | Sunny | 36° /20° | 0 mm | 7 | |
| Aug. 11 | Sunny | 39° /23° | 0 mm | 8 | |
| Aug. 12 | Sunny | 40° /24° | 0 mm | 8 | |
| Aug. 13 | Sunny | 41° /22° | 0 mm | 8 | |
| Aug. 14 | Sunny | 39° /19° | 0 mm | 7 | |
| Aug. 15 | Sunny | 39° /20° | 0 mm | 7 | |
| Aug. 16 | Sunny | 37° /18° | 0 mm | 7 | |
| Aug. 17 | Sunny | 39° /22° | 0 mm | 7 | |
| Aug. 18 | Sunny | 39° /21° | 0 mm | 7 | |
| Aug. 19 | Overcast | 30° /16° | 0 mm | 7 | |
| Aug. 20 | Partly cloudy | 28° /15° | 0 mm | 7 | |
| Aug. 21 | Sunny | 25° /14° | 0 mm | 7 | |
| Aug. 22 | Partly cloudy | 30° /17° | 0 mm | 8 | |
| Aug. 23 |  Heavy rain at times | 26° /14° | 2.7 mm | 6 | |
| Aug. 24 | Partly cloudy | 22° /10° | 0 mm | 6 | |
| Aug. 25 | Sunny | 24° /10° | 0 mm | 6 | |
| Aug. 26 | Sunny | 29° /14° | 0 mm | 7 | |
| Aug. 27 | Overcast | 23° /13° | 0 mm | 5 | |
| Aug. 28 | Sunny | 25° /7° | 0 mm | 7 | |
| Aug. 29 | Sunny | 28° /13° | 0 mm | 7 | |
| Aug. 30 | Sunny | 32° /13° | 0 mm | 8 | |
| Aug. 31 | Sunny | 35° /19° | 0 mm | 9 | |
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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?
Expect warm days with temperatures around 31°, cooling to mild conditions of 17° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Grant County during August?
Rainfall in Grant County during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Grant County during August?
The average wind speed in Grant County during August is 19 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 💧
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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Where is Grant County?Get accurate weather forecasts for Grant County, located at latitude 47.13 and longitude -119.278. Stay updated with localized weather information tailored for Grant County.
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