Seattle Weather Forecast
- 44
- 56
Rain Showers
- 46
- 62
Decreasing Clouds
- 50
- 67
Partly Sunny
- 49
- 56
Rain
- 48
- 60
Chance Rain Showers
- 50
- 64
Chance Rain Showers
- 49
- 63
Chance Rain Showers
Today 18 May Seattle and Vicinity
Mostly cloudy. A slight chance of Showers in the morning. A chance of Showers in the late morning and early Afternoon, then Showers likely and a slight chance of Thunderstorms late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the 50s. South wind to 10 Mph in the morning becoming light.
Tonight 18 May Seattle and Vicinity
Cloudy with Showers likely and a slight chance of Thunderstorms in the Evening, then mostly cloudy with a chance of Showers late in the evening. Mostly cloudy after midnight. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the lower to mid 40s. Light wind.
Seattle Temperature Statistics
May Temperature
Boeing Field - King County International Airport (3.7 miles)
Lowest 1 May, 2024
40.6 °FAverage May
59 °FHighest 11 May, 2024
85.6 °F
Climate (2019–Present)
Boeing Field - King County International Airport (3.7 miles)
Average Low 2019–2024
46.9 °FAverage 2019–2024
53.7 °FAverage High 2019–2024
60.9 °F