What is the weather in Sammamish, WA right now?

The latest observation from Renton Municipal Airport was 54°F and cloudy, reported at 10/26/2026, 10:25 PM PDT.

Will it rain in Sammamish, WA in the next 24 hours?

The hourly forecast shows a 57% chance of precipitation around 10/27/2026, 12:00 AM PDT.

What is the 10-day forecast for Sammamish, WA?

The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 58°F to 59°F. Model guidance this far out often changes.

What time is sunrise and sunset in Sammamish, WA today?

Sunrise is about 7:43 AM PDT and sunset is about 6:00 PM PDT (calculated for the center of the area, within a few minutes).

What is the normal October weather in Sammamish, WA?

At Renton MUNI AP, the 1991 to 2020 normal high in October is 61°F and the normal low is 46°F.

Checked Oct 26, 2026

Sammamish, WA Weather

Current conditions, hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Sammamish, WA current weather

54°F

Cloudy

H -- / L 44°Feels like 54°

Rain ending around 7 AM

Observed at Renton Municipal Airport (10.8 mi away), 10/26/2026, 10:25 PM PDT

Hourly forecast

NWS, updated 4:03 PM

Now47°30%
11 PM47°47%
Tue12 AM46°57%
1 AM46°62%
2 AM47°65%
3 AM47°63%
4 AM47°55%
5 AM46°50%
6 AM46°35%
7 AM46°
8 AM45°
9 AM46°
10 AM47°
11 AM48°22%
12 PM50°33%
1 PM51°45%
2 PM53°32%
3 PM54°30%
4 PM53°43%
5 PM53°73%
6 PM51°73%
7 PM49°73%
8 PM47°73%
9 PM46°73%
10 PM45°73%
11 PM45°97%
Wed12 AM45°97%
1 AM45°97%
2 AM45°97%
3 AM45°97%
4 AM45°97%
5 AM45°70%
6 AM44°70%
7 AM43°70%
8 AM43°70%
9 AM44°70%
10 AM45°70%
11 AM46°93%
12 PM47°93%
1 PM49°93%
2 PM50°93%
3 PM51°93%
4 PM51°93%
5 PM50°86%
6 PM49°86%
7 PM47°86%
8 PM45°86%
9 PM43°86%

10-day forecast

Tap a day for details

Today10/2665% chance of precipitationLow 44°High
Tonight: Rain likely. Mostly cloudy. Low around 44, with temperatures rising to around 46 overnight. South wind 1 to 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Light Rain Likely
Tue10/2797% chance of precipitationLow 43°High 55°
Tuesday: Rain likely. Mostly cloudy. High near 55, with temperatures falling to around 53 in the afternoon. South southwest wind 1 to 9 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night: Rain. Cloudy. Low around 43, with temperatures rising to around 45 overnight. South southwest wind 6 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Light Rain Likely
Wed10/2893% chance of precipitationLow 38°High 52°
Wednesday: Rain. Cloudy, with a high near 52. South southwest wind 2 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday Night: Rain. Mostly cloudy, with a low around 38. Southeast wind around 3 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Light Rain
Thu10/2965% chance of precipitationLow 37°High 51°
Thursday: Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night: A chance of rain. Mostly cloudy, with a low around 37.
Light Rain Likely
Fri10/3021% chance of precipitationLow 34°High 52°
Friday: A slight chance of rain before 11am. Partly sunny, with a high near 52.
Friday Night: Mostly cloudy, with a low around 34.
Slight Chance Light Rain then Partly Sunny
Sat10/31Low 35°High 53°
Saturday: Partly sunny, with a high near 53.
Saturday Night: Mostly cloudy, with a low around 35.
Partly Sunny
Sun11/111% chance of precipitationLow 35°High 54°
Sunday: Partly sunny, with a high near 54.
Sunday Night: Mostly cloudy, with a low around 35.
Partly Sunny
Mon11/218% chance of precipitationLow High 56°
Monday: A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 56.
Partly Sunny then Slight Chance Light Rain
Model blend
Tue11/3Model blendLow 39°High 58°
Tuesday: Mostly cloudy. High near 58°. Low that night near 39°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Wed11/4Model blend23% chance of precipitationLow 41°High 59°
Wednesday: Mostly cloudy. High near 59°. Low that night near 41°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 47.606, -122.050 from the NWS SEW office, updated 10/26/2026, 4:03 PM PDT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KRNT (Renton Muni, 11 mi), model run 10/26/2026, 7:00 PM PDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

Now47°Chance Light Rain30%1 mph
11 PM47°Chance Light Rain47%1 mph
12 AM46°Light Rain Likely57%1 mph
1 AM46°Light Rain Likely62%2 mph
2 AM47°Light Rain Likely65%2 mph
3 AM47°Light Rain Likely63%2 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Line: temperature °F. Bars: chance of precipitation.

MonNow47° 30% Sky 87%1
11 PM47° 47% Sky 89%1
Tue 10/2712 AM46° 57% Sky 92%1
1 AM46° 62% Sky 87%2
2 AM47° 65% Sky 90%2
3 AM47° 63% Sky 90%2
4 AM47° 55% Sky 92%2
5 AM46° 50% Sky 94%5
6 AM46° 35% Sky 94%5
7 AM46° 9% Sky 94%2
8 AM45° 5% Sky 90%1g6
9 AM46° 8% Sky 90%3
10 AM47° 5% Sky 90%5
11 AM48° 22% Sky 81%6
12 PM50° 33% Sky 81%5g12
1 PM51° 45% Sky 81%7g13
2 PM53° 32% Sky 80%8g14
3 PM54° 30% Sky 80%9g15
4 PM53° 43% Sky 80%9g15
5 PM53° 73% Sky 83%9g15
6 PM51° 73% Sky 83%9g15
7 PM49°Feels 46°73% Sky 83%9g15
8 PM47°Feels 44°73% Sky 82%8g17
9 PM46°Feels 42°73% Sky 82%8g17
10 PM45°Feels 42°73% Sky 82%8g17
11 PM45°Feels 41°97%0.02"Sky 98%8g20
Wed 10/2812 AM45°Feels 40°97%0.02"Sky 98%8g20
1 AM45°Feels 41°97%0.02"Sky 98%8g20
2 AM45°Feels 41°97%0.02"Sky 98%7g20
3 AM45°Feels 41°97%0.02"Sky 98%7g20
4 AM45°Feels 41°97%0.02"Sky 98%7g20
5 AM45° 70%0.01"Sky 88%6g17
6 AM44° 70%0.01"Sky 88%6g17
7 AM43° 70%0.01"Sky 88%6g17
8 AM43° 70%0.01"Sky 87%5g14
9 AM44° 70%0.01"Sky 87%5g14
10 AM45° 70%0.01"Sky 87%5g14
11 AM46° 93%0.02"Sky 96%5g13
12 PM47° 93%0.02"Sky 96%5g13
1 PM49° 93%0.02"Sky 96%5g13
2 PM50° 93%0.02"Sky 96%5g10
3 PM51° 93%0.02"Sky 96%5g10
4 PM51° 93%0.02"Sky 96%5g10
5 PM50° 86%0.01"Sky 91%2g8
6 PM49° 86%0.01"Sky 91%2g8
7 PM47° 86%0.01"Sky 91%2g8
8 PM45° 86%0.01"Sky 91%3
9 PM43° 86%0.01"Sky 91%3
10 PM42° 86%0.01"Sky 91%3
11 PM41° 70%0.01"Sky 80%3
Thu 10/2912 AM40° 70%0.01"Sky 80%3
1 AM40° 70%0.01"Sky 80%3
2 AM40° 70%0.01"Sky 80%3
3 AM40° 70%0.01"Sky 80%3
4 AM40° 70%0.01"Sky 80%3
5 AM40° 65%0.01"Sky 80%1
6 AM39° 65%0.01"Sky 80%1
7 AM39° 65%0.01"Sky 80%1
8 AM39° 65%0.01"Sky 86%1
9 AM41° 65%0.01"Sky 86%1
10 AM43° 65%0.01"Sky 86%1
11 AM45° 60% Sky 79%0
12 PM47° 60% Sky 79%0
1 PM48° 60% Sky 79%0
2 PM49° 60% Sky 73%1
3 PM50° 60% Sky 73%1
4 PM50° 60% Sky 73%1
5 PM49° 39%0.01"Sky 74%1
6 PM47° 39%0.01"Sky 74%1
7 PM45° 39%0.01"Sky 74%1
8 PM43° 39%0.01"Sky 74%0
9 PM42° 39%0.01"Sky 74%0
10 PM41° 39%0.01"Sky 74%0
11 PM40° 44% Sky 75%0
Fri 10/3012 AM39° 44% Sky 75%0
1 AM39° 44% Sky 75%0
2 AM39° 44% Sky 75%0
3 AM39° 44% Sky 75%0
4 AM39° 44% Sky 75%0
5 AM39° 21% Sky 74%0
6 AM38° 21% Sky 74%0
7 AM37° 21% Sky 74%0
8 AM37° 21% Sky 74%0
9 AM39° 21% Sky 74%0
10 AM43° 21% Sky 74%0
11 AM46° 12% Sky 59%0
12 PM48° 12% Sky 59%0
1 PM49° 12% Sky 59%0
2 PM50° 12% Sky 59%0
3 PM51° 12% Sky 59%0
4 PM51° 12% Sky 59%0
5 PM50° 7% Sky 46%0
6 PM48° 7% Sky 46%0
7 PM45° 7% Sky 46%0
8 PM42° 7% Sky 46%0
9 PM40° 7% Sky 46%0
10 PM39° 7% Sky 46%0
11 PM38° 7% Sky 54%0
Sat 10/3112 AM37° 7% Sky 54%0
1 AM36° 7% Sky 54%0
2 AM36° 7% Sky 54%1
3 AM35° 7% Sky 54%1
4 AM35° 7% Sky 54%1
5 AM35° 5% Sky 59%0
6 AM35° 5% Sky 59%0
7 AM35° 5% Sky 59%0
8 AM36° 5% Sky 59%0
9 AM38° 5% Sky 59%0
10 AM41° 5% Sky 59%0
11 AM44° 6% Sky 53%0
12 PM47° 6% Sky 53%0
1 PM50° 6% Sky 53%0
2 PM52° 6% Sky 53%1
3 PM53° 6% Sky 53%1
4 PM52° 6% Sky 53%1
5 PM50° 8% Sky 45%0
6 PM47° 8% Sky 45%0
7 PM44° 8% Sky 45%0
8 PM41° 8% Sky 45%0
9 PM40° 8% Sky 45%0
10 PM40° 8% Sky 45%0
11 PM40° 6% Sky 58%0
Sun 11/112 AM39° 6% Sky 58%0
1 AM37° 6% Sky 58%0
1 AM36° 6% Sky 58%0
2 AM36° 6% Sky 58%0
3 AM37° 6% Sky 58%0
4 AM37° 4% Sky 65%0
5 AM36° 4% Sky 65%0
6 AM35° 4% Sky 65%0
7 AM35° 4% Sky 65%0
8 AM38° 4% Sky 65%0
9 AM42° 4% Sky 65%0
10 AM46° 4% Sky 56%0
11 AM49° 4% Sky 56%0
12 PM51° 4% Sky 56%0
1 PM52° 4% Sky 56%0
2 PM53° 4% Sky 56%0
3 PM53° 4% Sky 56%0
4 PM52° 7% Sky 45%0
5 PM49° 7% Sky 45%0
6 PM45° 7% Sky 45%0
7 PM42° 7% Sky 45%0
8 PM40° 7% Sky 45%0
9 PM39° 7% Sky 45%0
10 PM38° 9% Sky 50%0
11 PM37° 9% Sky 50%0
Mon 11/212 AM36° 9% Sky 50%0
1 AM36° 9% Sky 50%1
2 AM36° 9% Sky 50%1
3 AM36° 9% Sky 50%1
4 AM36° 11% Sky 63%1
5 AM36° 11% Sky 63%1
6 AM37° 11% Sky 63%1
7 AM38° 11% Sky 63%0
8 AM41° 11% Sky 63%0

Temperature °F · chance of precipitation · amount in inches (T = trace) · sky cover · wind and gusts (g) in mph

NWS hourly forecast updated 10/26/2026, 4:03 PM PDT

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid): 0.57 in
Snow: 0.00 in
Ice: 0.00 in

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Nearby hazards

Washington hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
River gauges within 40 miles at or above flood stage: None reported
Active wildfires within 50 miles: THREE QUEENS Fire (9,575 acres), KING Fire (3,427 acres), WEST FORK Fire (310 acres), GARDA FALLS Fire (308 acres)

UV and air quality forecast

EPA and AirNow

UV index today (Sammamish): 0Low

UV index guide · Air quality

Drought

By county

King County, week of 10/20/2026

14% of the county is in moderate drought or worse.

Tides nearby

NOAA tide stations

Seattle (Madison St.), Elliott Bay13.5 mi
Duwamish Waterway, Eighth Ave. South13.6 mi
Lockheed Shipyard, Harbor Island14.7 mi

Beaches nearby

EPA BEACON beaches

Colman Dock (Seattle Main Terminal)13.5 mi
Duwamish Waterway Park13.6 mi
Portland St & 8th Ave. Road End13.7 mi
Jack Perry Memorial Viewpoint13.7 mi

Frequently asked questions

What is the weather in Sammamish, WA right now?: The latest observation from Renton Municipal Airport was 54°F and cloudy, reported at 10/26/2026, 10:25 PM PDT.
Will it rain in Sammamish, WA in the next 24 hours?: The hourly forecast shows a 57% chance of precipitation around 10/27/2026, 12:00 AM PDT.
What is the 10-day forecast for Sammamish, WA?: The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 58°F to 59°F. Model guidance this far out often changes.
What time is sunrise and sunset in Sammamish, WA today?: Sunrise is about 7:43 AM PDT and sunset is about 6:00 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Sammamish, WA?: At Renton MUNI AP, the 1991 to 2020 normal high in October is 61°F and the normal low is 46°F.

Sun and moon

Local time, center of the area

Sunrise: 7:43 AM
Sunset: 6 PM
Daylight: 10 hr 17 min
Moon: Waning Gibbous 99% lit

First light (civil dawn): 7:12 AM
Last light (civil dusk): 6:32 PM
Moonrise: 5:47 PM
Moonset: 8:36 AM

Normal October weather

Climate

Normal October high 61°, low 46°, precipitation 3.49 in for the month. 1991 to 2020 normals at Renton MUNI AP, 11 mi away.

Other places nearby

Data sources

National Weather Service APINOAA
National Blend of Models (NBM) text guidanceNOAA National Weather Service
Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
National Water Prediction ServiceNOAA National Weather Service
WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
AirNowU.S. Environmental Protection Agency
NWS HeatRisk (experimental)NOAA National Weather Service
U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research

See something wrong? Request a correction

About this data

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