Rainier Beach Weather Forecast
- 39
- 45
Chance Rain
- 34
- 44
Rain
- 33
- 42
Mostly Cloudy
- 35
- 43
Mostly Cloudy
- 36
- 45
Mostly Cloudy
- 39
- 47
Chance Rain
- 41
- 48
Chance Rain
Today 25 Dec City of Seattle
Mostly cloudy in the Morning, then Showers likely early in the afternoon. Mostly cloudy with a slight chance of Showers late in the afternoon. Patchy fog late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the mid 40s. North wind 10 to 15 Mph.
Tonight 25 Dec City of Seattle
Mostly cloudy with a chance of rain in the Evening, then partly cloudy after midnight. Partly cloudy with a slight chance of rain late in the night. Lows near 40. Southeast wind to 10 Mph.
Rainier Beach Temperature Statistics
December Temperature
Renton Municipal Airport (2.5 miles)
Lowest 1 December, 2025
33.1 °FAverage December
47.8 °FHighest 15 December, 2025
60.1 °F
Climate (2020–Present)
Renton Municipal Airport (2.5 miles)
Average Low 2020–2025
47.4 °FAverage 2020–2025
54.7 °FAverage High 2020–2025
62.3 °F