Seattle, WA Weather
Seattle, WA climate is mild during summer when temperatures tend to be in the 60's and cold during winter when temperatures tend to be in the 40's.
The warmest month of the year is August with an average maximum temperature of 74.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 36.00 degrees Fahrenheit.
Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and fairly limited during winter with an average difference of 12 degrees Fahrenheit.
The annual average precipitation at Seattle is 38.25 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is December with an average rainfall of 6.06 Inches.
Weather Data
Current Conditions
|
Mostly Cloudy, 50°F | Humidity: 83% | Dewpoint: 45°F |
| Wind Speed: S 5.8 MPH G 17.3 (5 MPH G 15 KT) | Heat Index: 50°F | ||
| Barometer: 29.94 in. | Wind Chill: 48°F |
Weather Forecast
 | Hi: 56°F | Today: Rain at Times. Highs in the mid 50s to lower 60s. Southwest wind 10 to 15 mph becoming south 10 to 20 mph in the afternoon. |
| Lo: 46°F | ||
 | Hi: 60°F | Wednesday: Showers. Highs near 60. Light wind becoming west 10 to 15 mph in the afternoon. |
| Lo: 46°F | ||
 | Hi: 60°F | Thursday: Cloudy in the morning then becoming partly sunny. Scattered showers. Highs near 60. Southeast wind around 10 mph becoming north in the afternoon. |
| Lo: 47°F | ||
 | Hi: 65°F | Friday: Partly sunny. Highs in the mid 60s. |
| Lo: 49°F | ||
| Hi: 69°F | Saturday: Partly sunny. Highs in the upper 60s. |
| Lo: 50°F | ||
| Hi: 63°F | Sunday: Partly sunny with a chance of showers. Highs in the lower to mid 60s. |
| Lo: 49°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 4:46 AM PDT |
Sunrise: 5:23 AM PDT |
| Sunset: 8:48 PM PDT |
Civil Twilight: 9:25 PM PDT |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 46.9 | 50.5 | 54.5 | 59.3 | 64.9 | 69.5 | 74.5 | 74.9 | 69.9 | 60.3 | 51.5 | 46.5 | 60.3 |
| Mean °F | 41.5 | 43.8 | 46.9 | 50.9 | 56.6 | 61.1 | 65.5 | 66.0 | 61.3 | 53.4 | 46.0 | 41.3 | 52.9 |
| Min °F | 36.0 | 37.1 | 39.2 | 42.5 | 48.2 | 52.7 | 56.4 | 57.1 | 52.6 | 46.4 | 40.4 | 36.1 | 45.4 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 5.24 | 4.09 | 3.92 | 2.75 | 2.03 | 1.55 | 0.93 | 1.16 | 1.61 | 3.24 | 5.67 | 6.06 | 38.25 |
