10-day forecast for Issaquah, WA: 36° to 61°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
61°
Best day: Thursday, October 29
52° · 0.59 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 2359° / 40°0
Morning44°feels 44°
Afternoon57°feels 56°
Evening46°feels 45°
Overnight43°feels 43°
59 °
Issaquah, Friday, 23 October
Light rain. High 59°, low 40°.
Pressure30.33 inHg
Wind3.3 mph W
Humidity78%
Visibility6.2 mi
Dew point45°
Sat, 2452° / 36°0.01
Morning39°feels 39°
Afternoon52°feels 50°
Evening48°feels 48°
Overnight38°feels 35°
52 °
Issaquah, Saturday, 24 October
Light rain. High 52°, low 36°.
Pressure30.18 inHg
Wind3 mph NW
Humidity75%
Visibility5.5 mi
Dew point42°
Sun, 2552° / 45°0.59
Morning46°feels 46°
Afternoon50°feels 49°
Evening48°feels 48°
Overnight46°feels 43°
52 °
Issaquah, Sunday, 25 October
Rain. High 52°, low 45°.
Pressure29.97 inHg
Wind3 mph E
Humidity97%
Visibility2.0 mi
Dew point47°
Mon, 2655° / 45°0.08
Morning46°feels 46°
Afternoon55°feels 54°
Evening52°feels 51°
Overnight47°feels 47°
55 °
Issaquah, Monday, 26 October
Light rain. High 55°, low 45°.
Pressure30.03 inHg
Wind1.7 mph N
Humidity84%
Visibility6.2 mi
Dew point48°
Tue, 2756° / 43°0
Morning46°feels 44°
Afternoon52°feels 51°
Evening53°feels 51°
Overnight45°feels 43°
56 °
Issaquah, Tuesday, 27 October
Partly cloudy. High 56°, low 43°.
Pressure30.18 inHg
Wind3.6 mph SE
Humidity81%
Visibility—
Dew point45°
Wed, 2860° / 45°0
Morning50°feels 49°
Afternoon56°feels 54°
Evening57°feels 55°
Overnight47°feels 47°
60 °
Issaquah, Wednesday, 28 October
Overcast. High 60°, low 45°.
Pressure30.21 inHg
Wind3.4 mph N
Humidity65%
Visibility—
Dew point42°
Thu, 2961° / 44°0
Morning48°feels 47°
Afternoon56°feels 54°
Evening57°feels 55°
Overnight46°feels 46°
61 °
Issaquah, Thursday, 29 October
Clear. High 61°, low 44°.
Pressure30.12 inHg
Wind5.6 mph N
Humidity60%
Visibility—
Dew point40°
Fri, 3061° / 42°0
Morning47°feels 46°
Afternoon55°feels 53°
Evening56°feels 55°
Overnight45°feels 45°
61 °
Issaquah, Friday, 30 October
Clear. High 61°, low 42°.
Pressure30.12 inHg
Wind4.8 mph N
Humidity46%
Visibility—
Dew point33°
Sat, 3160° / 41°0
Morning46°feels 45°
Afternoon54°feels 51°
Evening55°feels 53°
Overnight44°feels 44°
60 °
Issaquah, Saturday, 31 October
Clear. High 60°, low 41°.
Pressure30.09 inHg
Wind5.7 mph N
Humidity40%
Visibility—
Dew point28°
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.