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Weather in City of Sammamish, United States 🇺🇸

Current Weather in City of Sammamish

Small Craft Advisory issued September 1 at 9:25AM PDT until September 2 at 11:00PM PDT by NWS Seattle WA
Overcast
22°C
Feels like 20°C. Overcast.
🌬️ 14 km/h SW
💧 54% Humidity
🧭 1009 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.3
🌡️ Dew Point: 12°C
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:49 PM
Map Overlays:

The current temperature in City of Sammamish is 22°C, overcast, feeling like 20°C. Relative humidity is 54%, with winds around 14 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in City of Sammamish from about 9°C to 24°C. ⚠️ Small Craft Advisory issued September 1 at 9:25AM PDT until September 2 at 11:00PM PDT by NWS Seattle WA

Hourly Forecast for City of Sammamish

19:00
Overcast
20°
13%
20:00
Overcast
18°
15%
21:00
Overcast
16°
18%
22:00
Patchy rain nearby
15°
23%
23:00
Patchy rain nearby
15°
26%
00:00
Overcast
14°
25%
01:00
Overcast
14°
24%
02:00
Overcast
14°
26%
03:00
Patchy rain nearby
14°
24%
04:00
Mist
12°
25%
05:00
Light rain shower
12°
58%
06:00
Mist
12°
36%
07:00
Mist
12°
47%
08:00
Patchy rain nearby
13°
33%
09:00
Light rain shower
14°
45%
10:00
Patchy rain nearby
13°
32%
11:00
Light rain shower
16°
45%
12:00
Light rain shower
17°
52%
13:00
Light rain shower
17°
42%
14:00
Light rain shower
16°
41%
15:00
Light rain shower
16°
44%
16:00
Light rain shower
14°
76%
17:00
Light rain shower
13°
64%
18:00
Light rain shower
13°
79%

14-Day Forecast for City of Sammamish

Tue, Sep 01
Overcast Overcast
24° / 15°
Wed, Sep 02
Light rain shower Light rain shower
17° / 12°
Thu, Sep 03
Patchy rain nearby Patchy rain nearby
20° /
Fri, Sep 04
Thundery outbreaks in nearby Thundery outbreaks in nearby
20° / 10°
Sat, Sep 05
Sunny Sunny
24° /
Sun, Sep 06
Sunny Sunny
27° / 11°
Mon, Sep 07
Sunny Sunny
27° / 12°
Tue, Sep 08
Patchy rain nearby Patchy rain nearby
16° / 12°
Wed, Sep 09
Patchy rain nearby Patchy rain nearby
19° / 11°
Thu, Sep 10
Sunny Sunny
22° /
Fri, Sep 11
Overcast Overcast
20° / 11°
Sat, Sep 12
Sunny Sunny
24° / 10°
Sun, Sep 13
Sunny Sunny
28° / 12°
Mon, Sep 14
Overcast Overcast
27° / 15°

Additional Forecasts for City of Sammamish

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 119.0 μg/m³
O₃ (Ozone) 62.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.8 μg/m³
SO₂ (Sulphur Dioxide) 0.9 μg/m³
PM2.5 (Fine particles) 4.9 μg/m³
PM10 (Coarse particles) 6.0 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in City of Sammamish Tomorrow

There is no good daylight window left in City of Sammamish today. Tomorrow, the most comfortable window looks like 08:00 to 11:00, when it is around 14°C. The next likely rain is around 05:00.

Frequently Asked Questions about Weather in City of Sammamish

What is the temperature in City of Sammamish right now?

The current temperature in City of Sammamish is 22°C (71°F), overcast (feels like 20°C).

What's the weather like in City of Sammamish right now?

Conditions in City of Sammamish right now: Overcast, humidity 54%, wind 14 km/h SW.

What is today's forecast for City of Sammamish?

Today in City of Sammamish: high 24°C, low 15°C, overcast. Chance of rain: 16%.

What is the 7-day weather forecast for City of Sammamish?

Daily highs and lows for City of Sammamish:

  • 2026-09-01: 24°C / 15°C
  • 2026-09-02: 17°C / 12°C
  • 2026-09-03: 20°C / 9°C
  • 2026-09-04: 20°C / 10°C
  • 2026-09-05: 24°C / 8°C
  • 2026-09-06: 27°C / 11°C
  • 2026-09-07: 27°C / 12°C
Is it going to rain in City of Sammamish today?

There is a 16% chance of rain in City of Sammamish today. Total expected precipitation: 0.03 mm.

What is the wind speed in City of Sammamish right now?

Wind in City of Sammamish is currently 14 km/h (9 mph) from the SW.

What is the UV index in City of Sammamish right now?

The UV index in City of Sammamish is currently 0.3 (low). Sun protection is recommended when the index is 3 or higher.

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