Issaquah Weather Forecast
- 30
- 45
Rain Likely
- 31
- 46
Rain/Snow Likely
- 31
- 46
Rain/Snow Likely
- 30
- 42
Chance Rain/Snow
- 33
- 44
Chance Rain/Snow
- 39
- 49
Rain
Today 16 Feb Eastside
Partly sunny in the Morning, then cloudy with a chance of rain in the late morning and early afternoon. Mostly cloudy with rain likely late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 40s. Light wind becoming south to 10 Mph in the afternoon.
Tonight 16 Feb Eastside
Mostly cloudy in the evening then becoming partly cloudy. A chance of rain in the evening. A slight chance of rain after midnight. A slight chance of snow after midnight. Snow level near 500 feet after midnight. Lows in the upper 20s to mid 30s. South wind to 10 Mph in the evening becoming light.
Issaquah Temperature Statistics
February Temperature
Renton Municipal Airport (8.7 miles)
Lowest 12 February, 2026
35.1 °FAverage February
47.2 °FHighest 4 February, 2026
60.1 °F
Climate (2021–Present)
Renton Municipal Airport (8.7 miles)
Average Low 2021–2026
47.4 °FAverage 2021–2026
54.7 °FAverage High 2021–2026
62.3 °F