Washington weather in August: Statewide normals and every place, NOAA 1991-2020
In August, Washington's statewide normal high is 79°F and normal low 52°F; normal highs run from 67°F in Long Beach to 91°F in Pasco (NOAA 1991-2020 normals).
- Statewide normal high
- 79°FAugust, 1991-2020
- Statewide normal low
- 52°FAugust, 1991-2020
- Statewide normal precipitation
- 0.88 inAugust
- Warmest place
- 91°Fnormal high, Pasco
- Coolest place
- 67°Fnormal high, Long Beach
Where is Washington warmest and wettest in August?
Pasco has the warmest August afternoons (91°F) and Long Beach the coolest (67°F). Forks gets the most precipitation (2.77 in) and Quincy the least (0.12 in).
Statewide, August averaged 65.8°F in 2021, 69.8°F in 2022, 67.6°F in 2023, 65.4°F in 2024, 68.1°F in 2025, 66.6°F in 2026, against a 1991-2020 normal of 65.3°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Seattle | 78°F | 57°F | 0.97 | 0.0 |
| Spokane | 84°F | 57°F | 0.47 | 0.0 |
| Tacoma | 76°F | 54°F | 0.86 | – |
| Vancouver | 82°F | 57°F | 0.52 | – |
| Kent | 78°F | 57°F | 0.92 | – |
| Everett | 73°F | 55°F | 0.98 | – |
| Renton | 78°F | 57°F | 0.89 | – |
| Yakima | 89°F | 53°F | 0.21 | 0.0 |
| Bellingham | 73°F | 55°F | 1.13 | – |
| Kennewick | 90°F | 61°F | 0.17 | – |
| Pasco | 91°F | 56°F | 0.27 | – |
| Richland | 88°F | 59°F | 0.13 | – |
| Olympia | 78°F | 51°F | 0.96 | 0.0 |
| Bremerton | 77°F | 55°F | 1.09 | 0.0 |
| Longview | 80°F | 53°F | 0.97 | – |
| Wenatchee | 86°F | 61°F | 0.23 | – |
| Mount Vernon | 75°F | 53°F | – | – |
| Walla Walla | 89°F | 62°F | 0.40 | 0.0 |
| Pullman | 83°F | 50°F | 0.49 | – |
| Moses Lake | 88°F | 56°F | 0.15 | – |
| Hazel Dell | 79°F | 52°F | 0.62 | 0.0 |
| Battle Ground | 80°F | 50°F | 0.80 | 0.0 |
| Arlington | 78°F | 47°F | 1.34 | 0.0 |
| Ellensburg | 87°F | 56°F | 0.17 | – |
| Port Angeles | 70°F | 51°F | 0.64 | – |
| Monroe | 75°F | 52°F | 1.30 | 0.0 |
| Centralia | 78°F | 53°F | 0.84 | – |
| Anacortes | 75°F | 54°F | 1.38 | – |
| Aberdeen | 69°F | 54°F | 1.52 | 0.0 |
| Sunnyside | 87°F | 52°F | 0.26 | – |
| Snoqualmie | 77°F | 54°F | 1.22 | 0.0 |
| Sedro-Woolley | 75°F | 53°F | 1.60 | 0.0 |
| Shelton | 79°F | 52°F | 1.22 | – |
| Port Townsend | 73°F | 54°F | 0.54 | 0.0 |
| Hoquiam | 68°F | 54°F | 1.35 | – |
| Ephrata | 88°F | 59°F | 0.18 | – |
| Selah | 87°F | 52°F | 0.16 | – |
| Quincy | 87°F | 58°F | 0.12 | – |
| Sequim | 70°F | 51°F | 0.56 | 0.0 |
| Prosser | 89°F | 58°F | 0.16 | – |
| Blaine | 73°F | 55°F | 1.13 | 0.0 |
| Buckley | 77°F | 52°F | 1.21 | 0.0 |
| Deer Park | 84°F | 47°F | 0.73 | – |
| Omak | 89°F | 57°F | 0.27 | – |
| Connell | 88°F | 55°F | 0.23 | – |
| Colville | 89°F | 51°F | 0.68 | 0.0 |
| Wapato | 89°F | 58°F | 0.23 | 0.0 |
| Chelan | 87°F | 58°F | 0.32 | 0.0 |
| Goldendale | 86°F | 49°F | 0.15 | 0.0 |
| Elma | 80°F | 52°F | 1.43 | – |
| Forks | 74°F | 51°F | 2.77 | 0.0 |
| Raymond | 73°F | 50°F | 1.36 | 0.0 |
| Leavenworth | 87°F | 50°F | 0.37 | 0.0 |
| Friday Harbor | 73°F | 50°F | 0.70 | – |
| Chewelah | 86°F | 47°F | 0.72 | – |
| Carson | 82°F | 49°F | 0.77 | 0.0 |
| Dayton | 87°F | 54°F | 0.45 | 0.0 |
| Cle Elum | 81°F | 51°F | 0.47 | – |
| Newport | 83°F | 49°F | 0.81 | – |
| Coupeville | 71°F | 53°F | 0.70 | 0.0 |
| Davenport | 83°F | 48°F | 0.30 | 0.0 |
| Long Beach | 67°F | 52°F | 1.63 | 0.0 |
| Ritzville | 86°F | 53°F | 0.32 | 0.0 |
| Entiat | 88°F | 57°F | 0.27 | 0.0 |
| Darrington | 79°F | 54°F | 1.71 | – |
| Pomeroy | 85°F | 53°F | 0.53 | 0.0 |
| McMillin | 77°F | 53°F | 0.90 | 0.0 |
| Coulee Dam | 87°F | 58°F | 0.33 | – |
| Waterville | 83°F | 53°F | 0.27 | – |
| Tonasket | 87°F | 54°F | – | – |
| Easton | 76°F | 50°F | 0.87 | – |
| Republic | 84°F | 45°F | 0.64 | 0.0 |
| Wilbur | 84°F | 49°F | 0.27 | – |
| Odessa | 87°F | 51°F | 0.24 | 0.0 |
| Concrete | 77°F | 54°F | 1.53 | 0.0 |
| Toledo | 81°F | 51°F | – | – |
| Startup | 78°F | 51°F | 1.70 | – |
| Grayland | 68°F | 52°F | 1.68 | 0.0 |
| Winthrop | 86°F | 49°F | 0.45 | 0.0 |
| St. John | 84°F | 53°F | 0.34 | 0.0 |
| Rosalia | 86°F | 51°F | 0.42 | 0.0 |
| Lind | 88°F | 54°F | 0.24 | 0.0 |
| Naselle | 74°F | 51°F | 1.87 | 0.0 |
| Quilcene | 77°F | 51°F | – | – |
| Harrington | 85°F | 49°F | 0.32 | 0.0 |
| Northport | 86°F | 50°F | 0.61 | 0.0 |
| LaCrosse | 89°F | 52°F | 0.32 | 0.0 |
| Glenwood | 84°F | 43°F | 0.46 | 0.0 |
| Humptulips | 70°F | 50°F | 2.49 | 0.0 |
| Baring | 77°F | 52°F | 1.90 | 0.0 |
| Hartline | 86°F | 57°F | 0.38 | – |
| Hatton | 88°F | 57°F | 0.26 | 0.0 |
| Packwood | 80°F | 52°F | 0.85 | 0.0 |
| Bickleton | 80°F | 54°F | 0.35 | 0.0 |
| Methow | 88°F | 56°F | – | – |
| Cougar | 82°F | 54°F | 1.42 | 0.0 |
| Boundary Dam | 85°F | 50°F | 0.81 | 0.0 |
| Cedar Lake | 71°F | 52°F | 2.44 | 0.0 |
| Chief Joseph Dam | 90°F | 58°F | 0.22 | 0.0 |
| Clearbrook | 77°F | 50°F | 1.50 | 0.0 |
| Clearwater | 73°F | 50°F | 2.69 | – |
| Cushman Powerhouse #2 | 76°F | 54°F | 1.40 | 0.0 |
| Diablo Dam | 79°F | 54°F | 1.51 | 0.0 |
| Eltopia (8 mi WSW) | 85°F | 57°F | 0.20 | – |
| Elwha Ranger Station | 75°F | 52°F | 1.14 | 0.0 |
| Glenoma | 80°F | 48°F | – | – |
| Grays River Hatchery | 77°F | 50°F | 1.90 | 0.0 |
| Holden Village | 76°F | 46°F | 0.81 | 0.0 |
| Ice Harbor Dam | 89°F | 59°F | 0.30 | 0.0 |
| Landsburg | 77°F | 52°F | 1.64 | – |
| Longmire Rainier NPS | 76°F | 46°F | 1.49 | 0.0 |
| Matlock (8 mi S) | 78°F | 51°F | 1.71 | 0.0 |
| Mayfield Power Plant | 81°F | 52°F | 1.30 | 0.0 |
| Mazama | 84°F | 53°F | 0.54 | 0.0 |
| McNary Dam | 88°F | 61°F | 0.17 | – |
| Mount Adams Ranger Station | 84°F | 49°F | – | – |
| Moxee City (10 mi E) | 87°F | 54°F | 0.18 | 0.0 |
| Mud Mountain Dam | 76°F | 52°F | 1.65 | – |
| Newhalem | 79°F | 54°F | 1.68 | 0.0 |
| Olga (2 mi SE) | 69°F | 54°F | 1.00 | 0.0 |
| Palmer (3 mi ESE) | 76°F | 53°F | 2.32 | 0.0 |
| Plain | 82°F | 49°F | 0.42 | 0.0 |
| Priest Rapids Dam | 90°F | 66°F | 0.08 | – |
| Quillayute State Airport | 69°F | 51°F | 2.64 | – |
| Quinault (4 mi NE) | 73°F | 52°F | 3.08 | – |
| Rainier Paradise Ranger Station | 64°F | 45°F | 1.64 | – |
| Ross Dam | 79°F | 56°F | 1.21 | 0.0 |
| Sagemoor | 89°F | 54°F | 0.27 | – |
| Satus Pass (2 mi SSW) | 84°F | 49°F | 0.30 | – |
| Seattle Boeing Field | 77°F | 58°F | 0.83 | – |
| Seattle Sand Point Weather Office | 77°F | 57°F | 1.00 | 0.0 |
| Skamania Fish Hatchery | 80°F | 50°F | 1.22 | 0.0 |
| Smyrna | 92°F | 58°F | – | – |
| Snowden | 79°F | 49°F | – | – |
| Stampede Pass | 69°F | 51°F | 1.56 | – |
| Stehekin (4 mi NW) | 83°F | 55°F | 0.49 | 0.0 |
| Tacoma #1 | 77°F | 57°F | 0.83 | – |
| The Dalles Municipal Airport | 88°F | 60°F | 0.16 | – |
| Tolt S Fork Reservoir | 72°F | 54°F | 2.41 | 0.0 |
| Upper Baker Dam | 75°F | 51°F | 1.92 | 0.0 |
| Whidbey Island Naval Air Station | 70°F | 54°F | 0.85 | 0.0 |
| Whitman Mission | 90°F | 52°F | 0.40 | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.