Washington Weather: August
 |
Average Day Temperature: | 90.3°F |
|
Average Night Temperature: | 73.0°F |
|
Sea Water Temperature: | 83.2°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 13.1 - 14.2 hours | |
|
Number of Rainy Days: | 5 days |
| Precipitation Totals: | 3.5 in | |
| detailed information | ||
forecast
| Washington |
Temperature
| Washington |
Air Temperature in August, °F
The highest day temperature in August 2025 was 103°F. The lowest night temperature was 62°F. The average values for day and night temperatures during August were 86.0°F и 71.4°F respectivly.
Washington Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Washington was 84.9°F. The maximum and minimum values were 78.6°F and 89.8°F respectively.
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Washington is 3.5 in. It makes august the most rainy month of the year.
The average wind speed in August is 6.0 mph. It makes August one of the most windless months of the year for Washington.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Washington in August is 8.4 hours.
Washington on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0600 |  |
26°F | W 5 mph |
| 0900 |  |
24°F | W 6 mph |
| 1200 | |
28°F | NW 4 mph |
| 1500 | |
32°F | N 2 mph |
| 1800 | |
32°F | W 2 mph |
| 2100 | |
32°F | W 2 mph |
| 0000 | |
32°F | S 1 mph |
| 0300 | |
32°F | S 2 mph |