Issaquah, WA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Issaquah, WA in one place.
Partly sunny, with a high near 71. South southwest wind around 3 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Issaquah, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 4:18 PM PDT.
The active forecast window currently covers Aug 28 to Sep 2, 2026 for Issaquah, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 28 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 4:18 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Issaquah
Monday looks like the warmest upcoming period in Issaquah at 72 degrees F.
Saturday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Tuesday Night at about 3 to 7 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 4:18 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain after 10pm. Cloudy, with a low around 53. West wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain. Mostly cloudy, with a high near 68. South southwest wind 0 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain before 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 69.
Mostly cloudy, with a low around 51.
Partly sunny, with a high near 72.
A slight chance of rain after 5am. Mostly cloudy, with a low around 53.
A chance of rain. Mostly cloudy, with a high near 70.
A chance of rain. Mostly cloudy, with a low around 53.
Rain likely. Mostly cloudy, with a high near 66.
Rain likely. Mostly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Aug 28
|
Partly Sunny
|
71°F |
3 mph
SSW
|
|
Friday Night
Aug 28
|
Light Rain
|
53°F |
2 to 6 mph
W
|
|
Saturday
Aug 29
|
Light Rain
|
68°F |
0 to 6 mph
SSW
|
|
Saturday Night
Aug 29
|
Chance Light Rain then Mostly Cloudy
|
51°F |
3 mph
S
|
|
Sunday
Aug 30
|
Partly Sunny
|
69°F |
0 to 3 mph
SW
|
|
Sunday Night
Aug 30
|
Mostly Cloudy
|
51°F |
2 mph
ENE
|
|
Monday
Aug 31
|
Partly Sunny
|
72°F |
2 mph
N
|
|
Monday Night
Aug 31
|
Mostly Cloudy then Slight Chance Light Rain
|
53°F |
3 mph
S
|
|
Tuesday
Sep 1
|
Chance Light Rain
|
70°F |
3 mph
SSW
|
|
Tuesday Night
Sep 1
|
Chance Light Rain
|
53°F |
3 to 7 mph
S
|
|
Wednesday
Sep 2
|
Light Rain Likely
|
66°F |
2 to 7 mph
S
|
|
Wednesday Night
Sep 2
|
Light Rain Likely
|
51°F |
2 to 6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Issaquah.
