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Weather in West Lake Sammamish, United States 🇺🇸

Current Weather in West Lake Sammamish

Patchy rain nearby
19°C
Feels like 18°C. Patchy rain nearby.
🌬️ 6 km/h SW
💧 57% Humidity
🧭 1009 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 1.0
🌡️ Dew Point: 10°C
🌅 Sunrise: 06:29 AM
🌇 Sunset: 07:45 PM
Map Overlays:
Temperature Precipitation Pressure Wind Speed Clear

Right now West Lake Sammamish is 19°C with patchy rain nearby, feeling like 18°C. The air is at 57% humidity and winds are about 6 km/h, and the UV index is 1 (low). Over the next few days, temperatures in West Lake Sammamish range from about 9°C to 21°C.

Hourly Forecast for West Lake Sammamish

18:00
Patchy rain nearby
18°
17%
19:00
Patchy rain nearby
17°
21%
20:00
Light drizzle
15°
39%
21:00
Patchy rain nearby
12°
28%
22:00
Overcast
12°
24%
23:00
Overcast
11°
29%
00:00
Overcast
10°
30%
01:00
Mist
10°
24%
02:00
Mist
9°
38%
03:00
Mist
10°
20%
04:00
Mist
9°
38%
05:00
Mist
9°
38%
06:00
Mist
9°
39%
07:00
Mist
9°
38%
08:00
Overcast
10°
27%
09:00
Overcast
13°
20%
10:00
Overcast
14°
17%
11:00
Overcast
16°
15%
12:00
Overcast
16°
14%
13:00
Partly Cloudy
18°
7%
14:00
Overcast
19°
11%
15:00
Overcast
20°
10%
16:00
Cloudy
20°
8%
17:00
Patchy rain nearby
20°
11%

14-Day Forecast for West Lake Sammamish

Thu, Sep 03
Patchy rain nearby Patchy rain nearby
20° / 11°
Fri, Sep 04
Overcast Overcast
20° / 9°
Sat, Sep 05
Overcast Overcast
21° / 10°
Sun, Sep 06
Smoky haze Smoky haze
22° / 10°
Mon, Sep 07
Smoky haze Smoky haze
24° / 10°
Tue, Sep 08
Overcast Overcast
22° / 10°
Wed, Sep 09
Sunny Sunny
25° / 11°
Thu, Sep 10
Overcast Overcast
24° / 12°
Fri, Sep 11
Patchy rain nearby Patchy rain nearby
16° / 11°
Sat, Sep 12
Overcast Overcast
19° / 8°
Sun, Sep 13
Overcast Overcast
20° / 9°
Mon, Sep 14
Overcast Overcast
18° / 11°
Tue, Sep 15
Sunny Sunny
22° / 10°
Wed, Sep 16
Sunny Sunny
24° / 10°

Additional Forecasts for West Lake Sammamish

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 175.0 μg/m³
O₃ (Ozone) 77.0 μg/m³
NO₂ (Nitrogen Dioxide) 3.9 μg/m³
SO₂ (Sulphur Dioxide) 0.8 μg/m³
PM2.5 (Fine particles) 4.2 μg/m³
PM10 (Coarse particles) 5.1 μg/m³

Historical Weather

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Best Time to Be Outside in West Lake Sammamish Tomorrow

There is no good daylight window left in West Lake Sammamish today. Tomorrow, the most comfortable window looks like 09:00 to 12:00, when it is around 14°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in West Lake Sammamish

What is the temperature in West Lake Sammamish right now?

West Lake Sammamish is sitting at 19°C (65°F) right now, patchy rain nearby (feels like 18°C).

What's the weather like in West Lake Sammamish right now?

Conditions in West Lake Sammamish right now: Patchy rain nearby, humidity 57%, wind 6 km/h SW.

What is today's forecast for West Lake Sammamish?

Today in West Lake Sammamish: high 20°C, low 11°C, patchy rain nearby. Chance of rain: 68%.

What is the 7-day weather forecast for West Lake Sammamish?

Daily highs and lows for West Lake Sammamish:

  • 2026-09-03: 20°C / 11°C
  • 2026-09-04: 20°C / 9°C
  • 2026-09-05: 21°C / 10°C
  • 2026-09-06: 22°C / 10°C
  • 2026-09-07: 24°C / 10°C
  • 2026-09-08: 22°C / 10°C
  • 2026-09-09: 25°C / 11°C
Is it going to rain in West Lake Sammamish today?

There is a 68% chance of rain in West Lake Sammamish today. Total expected precipitation: 2.64 mm.

What is the wind speed in West Lake Sammamish right now?

Wind in West Lake Sammamish is currently 6 km/h (4 mph) from the SW.

What is the UV index in West Lake Sammamish right now?

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

Learn More about Weather

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How to Read the US EPA Air Quality Index Before Going Outside

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Understanding Air Quality Index Levels and What They Mean

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Dressing Right When the Temperature Drops or Spikes

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How Barometric Pressure Changes Affect Your Body

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