Weather in Sammamish, WA
Updated 2026-09-26 08:15 local time · ZIP codes 98074, 98075
Mist
No government weather alerts were returned for this location at the latest update.
Next hours
46°19% rain
50°24% rain
54°9% rain58°5% rain60°2% rain62°1% rain63°1% rain
63°10% rain62°10% rain60°11% rain56°14% rain
50°19% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 24%).
It feels like 44°F with winds near 2 mph.
63°F, 1% rain chance and 6 mph wind.
Visibility is around 1 mi; gusts may reach 13 mph.
Current temperature is 46°F, wind 2 mph, rain chance up to 24%.
UV index is 0.
Local weather characteristics in Sammamish
Washington has a mild, wetter marine climate west of the Cascades and a much drier interior climate east of the mountains. Terrain creates strong local rain, snow and temperature differences.
Sammamish is part of the West weather region. The forecast point is near 47.64°N latitude and 122.08°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sammamish weather today
Mist and 46°F in Sammamish, WA. Today's high is 63°F with a 18% rain chance. Winds are around 2 mph with gusts near 10 mph. Relative humidity is 94%, pressure is 30.18 inHg, and visibility is about 1 miles.
Tonight and tomorrow in Sammamish
Sunrise is at 07:00 AM and sunset is at 06:58 PM. Tomorrow's forecast calls for Overcast with a high near 65°F and a low near 43°F. The maximum rain chance is 9%.