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Weather in Issaquah, United States 🇺🇸

Current Weather in Issaquah

Overcast
15°C
Feels like 14°C. Overcast.
🌬️ 4 km/h NNE
💧 65% Humidity
🧭 1014 hPa
👁️ 9.0 km Visibility
☀️ UV Index: 1.0
🌡️ Dew Point: 9°C
🌅 Sunrise: 06:31 AM
🌇 Sunset: 07:43 PM
Map Overlays:

Issaquah currently sits at 15°C, overcast, feeling like 14°C. The air is at 65% humidity and winds are about 4 km/h, and the UV index is 1 (low). In the days ahead, expect temperatures in Issaquah from about 9°C to 23°C.

Hourly Forecast for Issaquah

10:00
Cloudy
17°
9%
11:00
Partly Cloudy
18°
5%
12:00
Partly Cloudy
19°
7%
13:00
Partly Cloudy
20°
5%
14:00
Patchy rain nearby
17°
36%
15:00
Patchy rain nearby
19°
27%
16:00
Thundery outbreaks in nearby
20°
10%
17:00
Thundery outbreaks in nearby
20°
10%
18:00
Thundery outbreaks in nearby
19°
11%
19:00
Thundery outbreaks in nearby
17°
15%
20:00
Overcast
14°
19%
21:00
Overcast
13°
22%
22:00
Patchy rain nearby
11°
32%
23:00
Overcast
11°
30%
00:00
Overcast
10°
31%
01:00
Mist
10°
46%
02:00
Mist
10°
38%
03:00
Mist
10°
38%
04:00
Mist
10°
38%
05:00
Mist
10°
32%
06:00
Mist
10°
32%
07:00
Mist
10°
32%
08:00
Smoky haze
11°
22%
09:00
Thundery outbreaks in nearby
13°
17%

14-Day Forecast for Issaquah

Fri, Sep 04
Overcast Overcast
20° / 11°
Sat, Sep 05
Mist Mist
23° / 10°
Sun, Sep 06
Smoky haze Smoky haze
22° /
Mon, Sep 07
Sunny Sunny
24° / 10°
Tue, Sep 08
Overcast Overcast
24° /
Wed, Sep 09
Sunny Sunny
28° / 11°
Thu, Sep 10
Sunny Sunny
29° / 14°
Fri, Sep 11
Sunny Sunny
30° / 14°
Sat, Sep 12
Overcast Overcast
24° / 13°
Sun, Sep 13
Overcast Overcast
22° / 14°
Mon, Sep 14
Light rain shower Light rain shower
18° / 14°
Tue, Sep 15
Sunny Sunny
20° / 11°
Wed, Sep 16
Sunny Sunny
20° /
Thu, Sep 17
Sunny Sunny
22° /

Additional Forecasts for Issaquah

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 322.0 μg/m³
O₃ (Ozone) 38.0 μg/m³
NO₂ (Nitrogen Dioxide) 11.1 μg/m³
SO₂ (Sulphur Dioxide) 1.2 μg/m³
PM2.5 (Fine particles) 33.5 μg/m³
PM10 (Coarse particles) 35.6 μg/m³

Historical Weather

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Best Time to Be Outside in Issaquah Today

The most comfortable window in Issaquah today looks like 11:00 to 14:00, when it is around 19°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Issaquah

What is the temperature in Issaquah right now?

The current temperature in Issaquah is 15°C (60°F), overcast (feels like 14°C).

What's the weather like in Issaquah right now?

Conditions in Issaquah right now: Overcast, humidity 65%, wind 4 km/h NNE.

What is today's forecast for Issaquah?

Today in Issaquah: high 20°C, low 11°C, overcast. Chance of rain: 44%.

What is the 7-day weather forecast for Issaquah?

Daily highs and lows for Issaquah:

  • 2026-09-04: 20°C / 11°C
  • 2026-09-05: 23°C / 10°C
  • 2026-09-06: 22°C / 9°C
  • 2026-09-07: 24°C / 10°C
  • 2026-09-08: 24°C / 9°C
  • 2026-09-09: 28°C / 11°C
  • 2026-09-10: 29°C / 14°C
Is it going to rain in Issaquah today?

There is a 44% chance of rain in Issaquah today. Total expected precipitation: 0.58 mm.

What is the wind speed in Issaquah right now?

Wind in Issaquah is currently 4 km/h (2 mph) from the NNE.

What is the UV index in Issaquah right now?

The UV index in Issaquah is currently 1 (low). Sun protection is recommended when the index is 3 or higher.

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