10-day forecast for Issaquah, WA: 37° to 68°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Monday, November 2
54° · 0.28 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2554° / 44°0.23
Morning44°feels 40°
Afternoon52°feels 52°
Evening47°feels 44°
Overnight44°feels 42°
54 °
Issaquah, Sunday, 25 October
Rain. High 54°, low 44°.
Pressure29.94 inHg
Wind2.2 mph NW
Humidity97%
Visibility3.2 mi
Dew point48°
Mon, 2656° / 41°0.03
Morning42°feels 40°
Afternoon56°feels 54°
Evening48°feels 47°
Overnight43°feels 43°
56 °
Issaquah, Monday, 26 October
Light rain. High 56°, low 41°.
Pressure30.06 inHg
Wind1.4 mph NW
Humidity75%
Visibility6.2 mi
Dew point45°
Tue, 2754° / 46°0.28
Morning47°feels 46°
Afternoon52°feels 51°
Evening50°feels 48°
Overnight47°feels 46°
54 °
Issaquah, Tuesday, 27 October
Light rain. High 54°, low 46°.
Pressure30.03 inHg
Wind5 mph S
Humidity93%
Visibility6.2 mi
Dew point48°
Wed, 2850° / 42°0.23
Morning44°feels 39°
Afternoon49°feels 45°
Evening46°feels 42°
Overnight47°feels 42°
50 °
Issaquah, Wednesday, 28 October
Light rain. High 50°, low 42°.
Pressure29.94 inHg
Wind8.8 mph S
Humidity80%
Visibility6.2 mi
Dew point44°
Thu, 2951° / 37°0.06
Morning40°feels 40°
Afternoon45°feels 45°
Evening46°feels 44°
Overnight42°feels 42°
51 °
Issaquah, Thursday, 29 October
Light rain. High 51°, low 37°.
Pressure29.91 inHg
Wind5.9 mph NW
Humidity89%
Visibility—
Dew point41°
Fri, 3047° / 40°0.02
Morning44°feels 44°
Afternoon47°feels 47°
Evening46°feels 45°
Overnight40°feels 39°
47 °
Issaquah, Friday, 30 October
Light rain. High 47°, low 40°.
Pressure30.03 inHg
Wind3.6 mph SE
Humidity78%
Visibility—
Dew point40°
Sat, 3152° / 40°0
Morning43°feels 41°
Afternoon49°feels 48°
Evening50°feels 48°
Overnight46°feels 45°
52 °
Issaquah, Saturday, 31 October
Overcast. High 52°, low 40°.
Pressure30.18 inHg
Wind3.9 mph SE
Humidity61%
Visibility—
Dew point35°
Sun, 0154° / 48°0
Morning50°feels 49°
Afternoon53°feels 51°
Evening53°feels 52°
Overnight49°feels 48°
54 °
Issaquah, Sunday, 1 November
Overcast. High 54°, low 48°.
Pressure30.33 inHg
Wind3.4 mph SE
Humidity72%
Visibility—
Dew point43°
Mon, 0268° / 45°0
Morning49°feels 49°
Afternoon59°feels 57°
Evening60°feels 58°
Overnight50°feels 49°
68 °
Issaquah, Monday, 2 November
Partly cloudy. High 68°, low 45°.
Pressure30.18 inHg
Wind4.4 mph SE
Humidity52%
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.