Sammamish Weather Forecast
- 47
- 53
Rain Likely
- 45
- 60
Rain
- 44
- 53
Rain
- 44
- 51
Rain
- 44
- 61
Mostly Cloudy
- 42
- 62
Mostly Cloudy
- 41
- 62
Partly Sunny
Today 30 Jan Eastside
Rain likely late in the morning. Rain at Times early in the Afternoon, then a chance of rain late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. South wind 10 to 15 Mph.
Tonight 30 Jan Eastside
Mostly cloudy with rain likely in the Evening, then mostly cloudy with a chance of rain late in the evening. Mostly cloudy after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the mid 40s to lower 50s. South wind 10 to 15 Mph in the evening becoming light.
Sammamish Temperature Statistics
January Temperature
Renton Municipal Airport (11.8 miles)
Lowest 24 January, 2026
25 °FAverage January
42.1 °FHighest 13 January, 2026
59 °F
Climate (2021–Present)
Renton Municipal Airport (11.8 miles)
Average Low 2021–2026
47.4 °FAverage 2021–2026
54.6 °FAverage High 2021–2026
62.2 °F