Issaquah, WA Weather Forecast
King County, Washington
Live radar, warnings and storm tracking for Issaquah, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Issaquah
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Issaquah, WA at a glance
Issaquah is home to about 38,977 people in King County, across 12 square miles. It ranks 32nd by population of 152 places in Washington with a forecast here. The nearest neighbour with its own forecast is Sammamish, 3 miles away.
- County
- King County
- Population
- 38,977 2023 est.
- Land area
- 12 sq mi
- People per sq mi
- 3,213
- Forecast point
- 47.5445°N, 122.0491°W
How well can the network see Issaquah?
The nearest Doppler radar is KATX (Seattle/Tacoma, WA), to the NNW. Its lowest scan passes about 3,500 ft above Issaquah. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KRNT (Renton Muni). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Issaquah
- Sammamish, WA3 mi
- Newcastle, WA6 mi
- Bellevue, WA6 mi
- Renton, WA8 mi
- Snoqualmie, WA8 mi
- Mercer Island, WA9 mi
- Redmond, WA10 mi
- Clyde Hill, WA10 mi
Elsewhere in Washington
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