Issaquah, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Issaquah, WA in one place.
Mostly sunny, with a high near 60. Southeast wind 0 to 3 mph.
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: Oct 11, 2026 10:05 PM PDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Issaquah, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 11, 2026 10:05 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Issaquah
Friday looks like the warmest upcoming period in Issaquah at 72 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Friday Night at about 0 to 10 mph SSE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 11, 2026 10:05 PM PDT
- Coverage
- 6 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
Mostly cloudy, with a low around 48. Southeast wind 0 to 5 mph.
Partly sunny, with a high near 63.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 69.
Mostly clear, with a low around 51.
Mostly sunny, with a high near 72.
A chance of rain after 11pm. Partly cloudy, with a low around 52.
A chance of rain. Partly sunny, with a high near 62.
A slight chance of rain before 5am. Mostly cloudy, with a low around 47.
A chance of rain after 5pm. Mostly cloudy, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
60°F |
0 to 3 mph
SE
|
|
Tuesday Night
Oct 13
|
Mostly Cloudy
|
48°F |
0 to 5 mph
SE
|
|
Wednesday
Oct 14
|
Partly Sunny
|
63°F |
0 to 5 mph
SSE
|
|
Wednesday Night
Oct 14
|
Partly Cloudy
|
46°F |
0 to 3 mph
NE
|
|
Thursday
Oct 15
|
Mostly Sunny
|
69°F |
3 mph
NE
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
51°F |
1 to 9 mph
ENE
|
|
Friday
Oct 16
|
Mostly Sunny
|
72°F |
0 to 8 mph
SE
|
|
Friday Night
Oct 16
|
Chance Light Rain
|
52°F |
0 to 10 mph
SSE
|
|
Saturday
Oct 17
|
Chance Light Rain
|
62°F |
2 to 10 mph
SSW
|
|
Saturday Night
Oct 17
|
Slight Chance Light Rain
|
47°F |
3 mph
S
|
|
Sunday
Oct 18
|
Mostly Cloudy then Chance Light Rain
|
60°F |
0 to 3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Issaquah.
