10-day forecast for Issaquah, WA: 38° to 66°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Thursday, October 29
52° · 0.15 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 2360° / 41°0
Morning44°feels 44°
Afternoon59°feels 57°
Evening47°feels 47°
Overnight43°feels 43°
60 °
Issaquah, Friday, 23 October
Overcast. High 60°, low 41°.
Pressure30.33 inHg
Wind3.4 mph NW
Humidity75%
Visibility6.2 mi
Dew point45°
Sat, 2454° / 38°0.02
Morning39°feels 39°
Afternoon53°feels 51°
Evening49°feels 49°
Overnight40°feels 37°
54 °
Issaquah, Saturday, 24 October
Light rain. High 54°, low 38°.
Pressure30.18 inHg
Wind2.3 mph NW
Humidity67%
Visibility6.2 mi
Dew point40°
Sun, 2552° / 45°0.15
Morning46°feels 46°
Afternoon50°feels 50°
Evening48°feels 48°
Overnight46°feels 45°
52 °
Issaquah, Sunday, 25 October
Light rain. High 52°, low 45°.
Pressure29.97 inHg
Wind4.3 mph NW
Humidity97%
Visibility3.2 mi
Dew point48°
Mon, 2654° / 44°0.02
Morning44°feels 44°
Afternoon51°feels 50°
Evening53°feels 52°
Overnight45°feels 45°
54 °
Issaquah, Monday, 26 October
Light rain. High 54°, low 44°.
Pressure30.03 inHg
Wind3.1 mph N
Humidity93%
Visibility—
Dew point47°
Tue, 2755° / 43°0
Morning46°feels 45°
Afternoon51°feels 50°
Evening53°feels 52°
Overnight44°feels 44°
55 °
Issaquah, Tuesday, 27 October
Overcast. High 55°, low 43°.
Pressure30.18 inHg
Wind2.5 mph E
Humidity85%
Visibility—
Dew point45°
Wed, 2859° / 42°0
Morning45°feels 44°
Afternoon53°feels 51°
Evening55°feels 54°
Overnight46°feels 44°
59 °
Issaquah, Wednesday, 28 October
Clear. High 59°, low 42°.
Pressure30.27 inHg
Wind7.7 mph N
Humidity75%
Visibility—
Dew point43°
Thu, 2966° / 43°0
Morning48°feels 46°
Afternoon57°feels 55°
Evening58°feels 56°
Overnight48°feels 47°
66 °
Issaquah, Thursday, 29 October
Clear. High 66°, low 43°.
Pressure29.94 inHg
Wind6.4 mph N
Humidity47%
Visibility—
Dew point35°
Fri, 3056° / 45°0
Morning49°feels 47°
Afternoon55°feels 53°
Evening53°feels 52°
Overnight50°feels 49°
56 °
Issaquah, Friday, 30 October
Overcast. High 56°, low 45°.
Pressure30.00 inHg
Wind7.2 mph SW
Humidity55%
Visibility—
Dew point38°
Sat, 3154° / 46°0
Morning47°feels 46°
Afternoon51°feels 49°
Evening52°feels 50°
Overnight46°feels 45°
54 °
Issaquah, Saturday, 31 October
Overcast. High 54°, low 46°.
Pressure30.09 inHg
Wind5.1 mph S
Humidity68%
Visibility—
Dew point39°
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.