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WeatherLive › Washington › Marietta-Alderwood

Marietta-Alderwood, WA Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherMarietta-Alderwood · 5:58 AM PDT
18° | 11°
12°C
Feels like 11°
Mostly cloudy
WindNE 4 mph · Gusts 4 mph
Precip15% · –
Humidity84% · Dew point 9°
UV index5 Moderate
Air Quality60 Moderate
Pressure29.97 inHg
Visibility6 mi
Sunrise / Sunset6:26 AM · 7:55 PM · 13h 29m

Weather map — Marietta-Alderwood

Full radar →
Now
12°
26%
4 mph
06:00
11°
28%
4 mph
07:00
11°
28%
4 mph
08:00
13°
28%
4 mph
09:00
16°
21%
4 mph
10:00
16°
16%
5 mph
11:00
17°
14%
5 mph
12:00
17°
14%
7 mph
13:00
17°
13%
7 mph
14:00
18°
9%
8 mph
15:00
18°
7%
7 mph
16:00
17°
8%
6 mph
17:00
17°
9%
6 mph
18:00
17°
17%
5 mph
19:00
16°
8%
3 mph
20:00
14°
11%
2 mph
21:00
14°
12%
1 mph
22:00
14°
14%
1 mph
23:00
14°
25%
3 mph
00:00
13°
23%
4 mph
01:00
13°
15%
4 mph
02:00
13°
18%
3 mph
03:00
13°
18%
3 mph
04:00
12°
19%
4 mph

Today · Mon 8/31

High 18°
15% / –

Mostly cloudy. Winds W at 8 mph.

Overnight · Mon 8/31

Low 11°
— / –

Mostly cloudy.

Tomorrow · Tue 9/1

18° | 12°
14% / –

Partly cloudy. Winds SE at 10 mph.

7-day trend

Marietta-Alderwood · temperature + precipitation

10-day forecast

Updated 5:58 AM

Details & indices

Wind
4 mph NE
Gusts 4 mph
Humidity
84%
Dew point 9°
Pressure
29.97 inHg
Rising
UV index
5 — Moderate
High today
Air Quality
Moderate
AQI 60 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Marietta-Alderwood

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Moderate

Sun & moon

Sunrise6:26 AM
Sunset7:55 PM
Length of day13h 29m
Moonrise8:55 PM
Moonset10:42 AM
Moon phase🌖 Waning Gibbous · 88%
Next full moonSep 26 Harvest Moon
Latitude48.7897°N
Longitude-122.5537°E

Water temps nearby

View all →
Kitsilano Beach, Vancouver (43 mi)65°
English Bay, Vancouver (43 mi)65°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Great
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Seattle
Mostly cloudy
12°
Tri-Cities
Mostly cloudy
13°
Spokane
Sunny
10°
Tacoma
Mostly cloudy
13° 🌤️
Vancouver
—
—
Data sources · Monday, August 31
Where the Marietta-Alderwood forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 48.7897°N, -122.5537°.
NBM + global weather models
Updated: 5:58 AM
Weather in Marietta-Alderwood
Over the next 10 days Marietta-Alderwood tops out around 21° (Wednesday) and dips to 9° on the coolest night (Wednesday). Models drop roughly 0.20 in of precipitation across the stretch — watch Thursday (81%). Wind is the one to watch: gusts to 30 mph around Wednesday. The NWS alert board for this area is currently clear. Right now Marietta-Alderwood is running about 43° warmer than Victoria. Longer view: marine climate — mild, showery winters and dry, gentle summers.
Marietta-Alderwood, WA · Elev 128 ft · 48.79°N, 122.55°W · Washington · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:58 AM