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Weather in Sammamish, United States 🇺🇸

Weather Forecast in Sammamish

Current Weather in Sammamish

Red Flag Warning issued July 10 at 11:03AM PDT until July 11 at 11:00PM PDT by NWS Spokane WA
Sunny
22°C
Feels like 22°C. Sunny.
🌬️ 9 km/h N
💧 57% Humidity
🧭 1011 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.2
🌡️ Dew Point: 13°C
🌅 Sunrise: 05:21 AM
🌇 Sunset: 09:06 PM
Map Overlays:

In Sammamish right now it is 22°C and sunny, feeling like 22°C. Humidity is 57% with winds around 9 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Sammamish range from about 10°C to 28°C. ⚠️ Red Flag Warning issued July 10 at 11:03AM PDT until July 11 at 11:00PM PDT by NWS Spokane WA

Hourly Forecast for Sammamish

21:00
Sunny
19°
4%
22:00
Clear
18°
4%
23:00
Clear
16°
5%
00:00
Clear
16°
6%
01:00
Clear
15°
7%
02:00
Clear
14°
8%
03:00
Clear
14°
8%
04:00
Clear
13°
9%
05:00
Clear
13°
9%
06:00
Sunny
14°
7%
07:00
Patchy rain nearby
14°
19%
08:00
Patchy rain nearby
14°
17%
09:00
Sunny
14°
7%
10:00
Sunny
15°
6%
11:00
Partly Cloudy
18°
6%
12:00
Partly Cloudy
21°
3%
13:00
Cloudy
23°
8%
14:00
Partly Cloudy
24°
4%
15:00
Partly Cloudy
24°
3%
16:00
Partly Cloudy
24°
3%
17:00
Partly Cloudy
24°
3%
18:00
Partly Cloudy
23°
4%
19:00
Partly Cloudy
22°
4%
20:00
Partly Cloudy
20°
6%

14-Day Forecast for Sammamish

Fri, Jul 10
Sunny Sunny
28° / 14°
Sat, Jul 11
Partly Cloudy Partly Cloudy
24° / 13°
Sun, Jul 12
Sunny Sunny
24° / 10°
Mon, Jul 13
Sunny Sunny
26° /
Tue, Jul 14
Sunny Sunny
29° /
Wed, Jul 15
Sunny Sunny
28° / 10°
Thu, Jul 16
Patchy rain nearby Patchy rain nearby
22° / 12°
Fri, Jul 17
Sunny Sunny
28° /
Sat, Jul 18
Sunny Sunny
28° / 11°
Sun, Jul 19
Sunny Sunny
27° / 10°
Mon, Jul 20
Sunny Sunny
26° /
Tue, Jul 21
Sunny Sunny
25° /
Wed, Jul 22
Sunny Sunny
24° /
Thu, Jul 23
Sunny Sunny
28° /

Additional Forecasts for Sammamish

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 108.0 μg/m³
O₃ (Ozone) 65.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.6 μg/m³
SO₂ (Sulphur Dioxide) 0.6 μg/m³
PM2.5 (Fine particles) 2.5 μg/m³
PM10 (Coarse particles) 3.3 μg/m³

Historical Weather

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Best Time to Be Outside in Sammamish Tomorrow

There is no good daylight window left in Sammamish today. Tomorrow, the most comfortable window looks like 10:00 to 12:00, when it is around 18°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Sammamish

What is the temperature in Sammamish right now?

The current temperature in Sammamish is 22°C (71°F), sunny (feels like 22°C).

What's the weather like in Sammamish right now?

Conditions in Sammamish right now: Sunny, humidity 57%, wind 9 km/h N.

What is today's forecast for Sammamish?

Today in Sammamish: high 28°C, low 14°C, sunny. Chance of rain: 5%.

What is the 7-day weather forecast for Sammamish?

Daily highs and lows for Sammamish:

  • 2026-07-10: 28°C / 14°C
  • 2026-07-11: 24°C / 13°C
  • 2026-07-12: 24°C / 10°C
  • 2026-07-13: 26°C / 7°C
  • 2026-07-14: 29°C / 9°C
  • 2026-07-15: 28°C / 10°C
  • 2026-07-16: 22°C / 12°C
Is it going to rain in Sammamish today?

There is a 5% chance of rain in Sammamish today.

What is the wind speed in Sammamish right now?

Wind in Sammamish is currently 9 km/h (6 mph) from the N.

What is the UV index in Sammamish right now?

The UV index in Sammamish is currently 0.2 (low). Sun protection is recommended when the index is 3 or higher.

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