Expires:202512211200;;936577 FPUS56 KSEW 202131 ZFPSEW Zone Forecast Product for Western Washington National Weather Service Seattle WA 130 PM PST Sat Dec 20 2025 Spot temperatures and probabilities of measurable precipitation are for tonight, Sunday, Sunday night, and Monday. WAZ317-211200- Olympia and Southern Puget Sound- Including the cities of Olympia, Shelton, Lacey, and Tumwater 130 PM PST Sat Dec 20 2025 .TONIGHT...Rain in the evening, then rain likely after midnight. A chance of rain late in the night. Rainfall amounts a quarter to a half inch possible. Lows near 40. South wind 10 to 15 mph. .SUNDAY...Rain likely in the morning, then rain in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the 40s. South wind 10 to 15 mph. .SUNDAY NIGHT...Rain showers and a slight chance of thunderstorms in the evening, then rain at times after midnight. Rainfall amounts a tenth to a quarter of an inch possible, except higher amounts possible in thunderstorms. Lows in the mid 30s to lower 40s. South wind around 10 mph. .MONDAY...Rain. Rainfall amounts a half inch to one inch possible. Highs in the 40s. South wind 10 to 20 mph. Gusts to 25 mph increasing to 35 mph in the afternoon. .MONDAY NIGHT...Rain at times in the evening, then rain likely after midnight. Rainfall amounts a quarter to a half inch possible. Lows in the mid 30s to lower 40s. South wind 10 to 15 mph. Gusts to 30 mph in the evening. .TUESDAY...Mostly cloudy with a chance of rain. Highs in the mid to upper 40s. .TUESDAY NIGHT...Cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the mid 30s. .WEDNESDAY...Cloudy with a chance of rain. Highs in the lower to mid 40s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the lower 30s. .CHRISTMAS DAY...Mostly cloudy with a chance of rain. Highs in the lower 40s. .THURSDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the lower 30s. .FRIDAY...Mostly cloudy with a chance of rain. Highs in the lower to mid 40s. .FRIDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the lower to mid 30s. .SATURDAY...Mostly cloudy with a chance of rain. Highs in the mid 40s. && TEMPERATURE / PRECIPITATION Shelton 39 45 37 44 / 90 90 100 100 Olympia 39 46 37 47 / 80 90 100 90 $$