Tukwila Weather Forecast
- 48
- 60
Slight Chance Rain
- 46
- 63
Partly Sunny
- 48
- 67
Mostly Sunny
- 54
- 74
Mostly Sunny
- 59
- 83
Partly Sunny
- 55
- 76
Mostly Cloudy
Today 29 May Lowlands of Pierce and Southern King Counties
Showers likely in the Morning, then cloudy with a chance of Showers in the late morning and early afternoon. Mostly cloudy late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the mid 50s to lower 60s. South wind 10 to 15 Mph becoming southwest in the afternoon.
Tonight 29 May Lowlands of Pierce and Southern King Counties
Mostly cloudy. Lows in the 40s. West wind 10 to 15 Mph becoming south after midnight.
Tukwila Temperature Statistics
May Temperature
Renton Municipal Airport (2.5 miles)
Lowest 17 May, 2026
43 °FAverage May
59.5 °FHighest 12 May, 2026
82 °F
Climate (2021–Present)
Renton Municipal Airport (2.5 miles)
Average Low 2021–2026
47.5 °FAverage 2021–2026
54.7 °FAverage High 2021–2026
62.3 °F