Lake Killarney Weather Forecast
- 45
- 63
Rain
- 47
- 63
Mostly Cloudy
- 51
- 71
Partly Sunny
- 51
- 75
Partly Sunny
- 46
- 61
Mostly Cloudy
- 45
- 64
Partly Sunny
Today 25 May Lowlands of Pierce and Southern King Counties
Cloudy. A slight chance of rain late in the morning. Rain at Times early in the Afternoon, then Showers 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 upper 50s to mid 60s. South wind to 10 Mph becoming southwest in the afternoon.
Tonight 25 May Lowlands of Pierce and Southern King Counties
Mostly cloudy. Rain likely in the Evening, then a chance of rain late in the evening. A slight chance of rain after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the 40s. Southwest wind 10 to 15 Mph becoming south after midnight.
Lake Killarney Temperature Statistics
May Temperature
Seattle, Seattle-Tacoma International Airport (10.6 miles)
Lowest 17 May, 2026
41.6 °FAverage May
58.9 °FHighest 12 May, 2026
82.7 °F
Climate (2021–Present)
Seattle, Seattle-Tacoma International Airport (10.6 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
53.4 °FAverage High 2021–2026
61.3 °F