10-day forecast for Issaquah, WA: 34° to 59°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
55°
Best day: Saturday, October 31
47° · 0.95 in
Worst day: Thursday, October 29
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2659° / 48°0.07
Morning51°feels 50°
Afternoon59°feels 59°
Evening53°feels 53°
Overnight49°feels 49°
59 °
Issaquah, Monday, 26 October
Light rain. High 59°, low 48°.
Pressure30.03 inHg
Wind1.7 mph SW
Humidity86%
Visibility6.2 mi
Dew point48°
Tue, 2755° / 45°0.58
Morning54°feels 54°
Afternoon52°feels 51°
Evening48°feels 44°
Overnight52°feels 51°
55 °
Issaquah, Tuesday, 27 October
Rain. High 55°, low 45°.
Pressure30.00 inHg
Wind5.6 mph SW
Humidity95%
Visibility6.2 mi
Dew point48°
Wed, 2851° / 42°0.46
Morning45°feels 40°
Afternoon51°feels 49°
Evening44°feels 41°
Overnight46°feels 41°
51 °
Issaquah, Wednesday, 28 October
Rain. High 51°, low 42°.
Pressure29.94 inHg
Wind10.4 mph SW
Humidity74%
Visibility6.2 mi
Dew point43°
Thu, 2947° / 37°0.95
Morning39°feels 35°
Afternoon45°feels 42°
Evening41°feels 39°
Overnight41°feels 41°
47 °
Issaquah, Thursday, 29 October
Rain. High 47°, low 37°.
Pressure29.97 inHg
Wind3.8 mph E
Humidity94%
Visibility5.9 mi
Dew point41°
Fri, 3050° / 35°0.21
Morning38°feels 36°
Afternoon45°feels 45°
Evening47°feels 47°
Overnight38°feels 35°
50 °
Issaquah, Friday, 30 October
Rain. High 50°, low 35°.
Pressure29.97 inHg
Wind3.7 mph W
Humidity87%
Visibility—
Dew point39°
Sat, 3155° / 34°0
Morning38°feels 36°
Afternoon48°feels 47°
Evening52°feels 50°
Overnight43°feels 43°
55 °
Issaquah, Saturday, 31 October
Partly cloudy. High 55°, low 34°.
Pressure30.00 inHg
Wind4.5 mph N
Humidity76%
Visibility—
Dew point38°
Sun, 0149° / 44°0.02
Morning46°feels 46°
Afternoon48°feels 48°
Evening49°feels 49°
Overnight47°feels 47°
49 °
Issaquah, Sunday, 1 November
Light rain. High 49°, low 44°.
Pressure30.06 inHg
Wind2.9 mph S
Humidity83%
Visibility—
Dew point42°
Mon, 0253° / 38°0
Morning42°feels 42°
Afternoon48°feels 46°
Evening50°feels 47°
Overnight42°feels 40°
53 °
Issaquah, Monday, 2 November
Partly cloudy. High 53°, low 38°.
Pressure30.09 inHg
Wind7 mph N
Humidity60%
Visibility—
Dew point33°
Tue, 0356° / 40°0.15
Morning43°feels 41°
Afternoon51°feels 48°
Evening48°feels 47°
Overnight46°feels 45°
56 °
Issaquah, Tuesday, 3 November
Light rain. High 56°, low 40°.
Pressure29.83 inHg
Wind4 mph SE
Humidity52%
Visibility—
Dew point33°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Issaquah, WA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.