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Observed 2:55 AM PDT at KBLI

Marietta-Alderwood, WA weather

Clear and 36°2°.

Today: low 38°3° (likely 37°3° to 45°7°), high 53°12° (likely 48°9° to 54°12°).

Mostly agree

Now 36°2°

Clear

Wind
Calm
Up to 6 mph10 km/h through 3 PM
Dew point
34°1°
Dry · up to 43°6° by 10 AM (comfortable)
Humidity
93%
Air 36°2°, dew point 34°1° · frost likely
UV tomorrow
2Low
Low all day (peak 2)
Air quality
32Good
Main pollutant: PM2.5 (fine particles)
Pressure
30.28 inHg1025 hPa
Falling slowly · −0.02 inHg−0.8 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Dry until tonight 11 PM
  • High 52°11° today at 3 PM
  • Rain tonight 11 PM–7 AM (60%, 0.14 in3.6 mm)
  • Dry break tomorrow 7 AM–2 PM
  • Rain tomorrow 2–5 PM (50%)
  1. TonightNear 40°4° · Cloudy
  2. This morningUp to 47°8° by 11 AM · rain chance 10% · Cloudy
  3. This afternoonNear 50°10° · rain chance 30% · Cloudy
  4. TonightDown to 43°6° by 3 AM · Rain 11 PM–6 AM (60%)
  5. Tomorrow morningUp to 49°9° by 11 AM · Rain 6–7 AM (50%)
  6. Tomorrow afternoonUp to 56°13° by 4 PM · Rain 2–5 PM (50%)
  7. Tomorrow nightDown to 44°7° by 2 AM · Mostly cloudy · rain chance 20%
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 3aCloudy40°4° (likely 39°4° to 46°8°)40°4°0%2 mph3 km/h from SE, gusts 6 mph9 km/h99%85%0
Sat 4aCloudy40°4° (likely 40°4° to 46°8°)40°4°0%1 mph2 km/h from SE, gusts 7 mph11 km/h97%90%0
Sat 5aCloudy40°4° (likely 40°4° to 46°8°)40°4°5%1 mph2 km/h from E, gusts 7 mph10 km/h96%94%0
Sat 6aCloudy38°3° (likely 38°3° to 46°8°)38°3°5%1 mph2 km/h from E, gusts 4 mph6 km/h97%89%0
Sat 7aCloudy39°4° (likely 38°3° to 46°8°)39°4°5%1 mph2 km/h from ENE, gusts 5 mph7 km/h96%87%0
Sat 8aCloudy40°4° (likely 37°3° to 46°8°)40°4°5%1 mph2 km/h from ENE, gusts 5 mph8 km/h94%97%0
Sat 9aCloudy40°4° (likely 39°4° to 46°8°)40°4°10%1 mph2 km/h from E, gusts 5 mph8 km/h96%99%0
Sat 10aCloudy44°7° (likely 43°6° to 47°8°)44°7°10%2 mph3 km/h from ENE, gusts 6 mph10 km/h95%98%0
Sat 11aCloudy47°8° (likely 46°8° to 48°9°)47°8°10%2 mph3 km/h from NE, gusts 6 mph10 km/h89%99%1
Sat 12pCloudy49°9° (likely 47°8° to 50°10°)48°9°10%3 mph5 km/h from NE, gusts 6 mph10 km/h83%99%1
Sat 1pCloudy51°11° (likely 47°8° to 52°11°)51°11°10%5 mph8 km/h from NE, gusts 7 mph11 km/h80%98%1
Sat 2pCloudy51°11° (likely 48°9° to 53°12°)51°11°10%5 mph8 km/h from NNE, gusts 8 mph13 km/h78%100%1
Sat 3pRain52°11° (likely 47°8° to 54°12°)52°11°20%6 mph10 km/h from NNE, gusts 9 mph14 km/h75%100%1
Sat 4pCloudy52°11° (likely 47°8° to 52°11°)52°11°20%7 mph11 km/h from NE, gusts 10 mph16 km/h76%100%0
Sat 5pRain51°11° (likely 47°8° to 51°11°)51°11°30%8 mph13 km/h from NE, gusts 14 mph23 km/h78%99%0
Sat 6pRain50°10° (likely 47°8° to 50°10°)47°8°30%8 mph13 km/h from NE, gusts 16 mph26 km/h81%95%0
Sat 7pCloudy48°9° (likely 46°8° to 48°9°)44°7°30%9 mph14 km/h from NE, gusts 14 mph22 km/h87%98%0
Sat 8pCloudy46°8° (likely 46°8° to 47°8°)41°5°30%10 mph16 km/h from NE, gusts 13 mph21 km/h88%98%0
Sat 9pRain45°7° (likely 45°7° to 48°9°)40°4°30%10 mph16 km/h from NE, gusts 12 mph19 km/h91%100%0
Sat 10pRain45°7° (likely 45°7° to 47°8°)40°4°20%10 mph16 km/h from NE, gusts 9 mph15 km/h91%99%0
Sat 11pRain45°7° (likely 45°7° to 47°8°)41°5°40%, 0.02 in0.5 mm8 mph13 km/h from NE, gusts 9 mph15 km/h91%97%0
Sun 12aRain44°7° (likely 44°7° to 47°8°)39°4°40%, 0.02 in0.5 mm8 mph13 km/h from NE, gusts 9 mph14 km/h92%61%0
Sun 1aRain44°7° (likely 44°7° to 47°8°)39°4°30%, 0.02 in0.5 mm8 mph13 km/h from NE, gusts 7 mph12 km/h93%74%0
Sun 2aRain44°7° (likely 44°7° to 47°8°)40°4°50%, 0.02 in0.5 mm7 mph11 km/h from NE, gusts 5 mph8 km/h94%93%0
Sun 3aRain43°6° (likely 43°6° to 47°8°)39°4°50%, 0.02 in0.5 mm7 mph11 km/h from NE, gusts 7 mph11 km/h95%100%0
Sun 4aRain43°6° (likely 43°6° to 47°8°)39°4°50%, 0.02 in0.5 mm7 mph11 km/h from NE, gusts 7 mph11 km/h95%100%0
Sun 5aRain43°6° (likely 43°6° to 48°9°)39°4°60%, 0.01 in0.3 mm7 mph11 km/h from ENE, gusts 6 mph9 km/h95%98%0
Sun 6aCloudy42°6° (likely 42°6° to 47°8°)38°3°50%, 0.01 in0.3 mm7 mph11 km/h from ENE, gusts 5 mph8 km/h96%95%0
Sun 7aCloudy41°5° (likely 41°5° to 47°8°)36°2°5%, 0.01 in0.3 mm7 mph11 km/h from ENE, gusts 6 mph9 km/h95%90%0
Sun 8aCloudy43°6° (likely 43°6° to 47°8°)38°3°5%, 0.01 in0.3 mm8 mph13 km/h from ENE, gusts 8 mph13 km/h95%87%0
Sun 9aCloudy43°6° (likely 43°6° to 48°9°)38°3°5%, 0.01 in0.3 mm8 mph13 km/h from ENE, gusts 9 mph14 km/h98%87%0
Sun 10aCloudy46°8° (likely 46°8° to 50°10°)42°6°5%, 0.01 in0.3 mm8 mph13 km/h from ENE, gusts 7 mph12 km/h99%90%1
Sun 11aMostly cloudy49°9° (likely 48°9° to 53°12°)46°8°10%, 0.01 in0.3 mm7 mph11 km/h from ENE, gusts 9 mph15 km/h93%93%1
Sun 12pCloudy52°11° (likely 50°10° to 57°14°)52°11°0%, 0.01 in0.3 mm7 mph11 km/h from ENE, gusts 12 mph20 km/h85%89%2
Sun 1pCloudy54°12° (likely 51°11° to 59°15°)54°12°10%, 0.01 in0.3 mm7 mph11 km/h from ENE, gusts 14 mph22 km/h80%97%1
Sun 2pCloudy55°13° (likely 52°11° to 60°16°)55°13°50%, 0.01 in0.3 mm7 mph11 km/h from NE, gusts 12 mph19 km/h77%99%2
Sun 3pCloudy55°13° (likely 52°11° to 60°16°)55°13°50%, 0.01 in0.3 mm7 mph11 km/h from NE, gusts 10 mph15 km/h77%98%1
Sun 4pCloudy56°13° (likely 52°11° to 60°16°)56°13°30%, 0.01 in0.3 mm7 mph11 km/h from NE, gusts 8 mph12 km/h78%93%1
Sun 5pRain54°12° (likely 51°11° to 56°13°)54°12°20%7 mph11 km/h from NE, gusts 11 mph17 km/h82%87%0
Sun 6pRain53°12° (likely 50°10° to 53°12°)53°12°20%7 mph11 km/h from NE, gusts 9 mph14 km/h85%48%0
Sun 7pRain51°11° (likely 49°9° to 51°11°)48°9°20%7 mph11 km/h from NE, gusts 8 mph13 km/h89%85%0
Sun 8pRain48°9° (likely 48°9° to 50°10°)45°7°20%7 mph11 km/h from NNE, gusts 8 mph12 km/h92%82%0
Sun 9pRain47°8° (likely 47°8° to 49°9°)43°6°20%7 mph11 km/h from NNE, gusts 7 mph11 km/h94%50%0
Sun 10pRain46°8° (likely 46°8° to 49°9°)43°6°20%7 mph11 km/h from NNE, gusts 5 mph8 km/h94%62%0
Sun 11pCloudy46°8° (likely 45°7° to 49°9°)44°7°10%5 mph8 km/h from NE, gusts 4 mph6 km/h94%71%0
Mon 12aCloudy45°7° (likely 45°7° to 50°10°)43°6°10%5 mph8 km/h from NE, gusts 5 mph8 km/h94%86%0
Mon 1aCloudy45°7° (likely 44°7° to 48°9°)42°6°10%5 mph8 km/h from NE, gusts 7 mph11 km/h95%87%0
Mon 2aCloudy44°7° (likely 43°6° to 48°9°)42°6°10%3 mph5 km/h from NE, gusts 5 mph8 km/h95%85%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Rain. High 53°12°, low 38°3°. Typical 56°13° / 42°6°. Rain 0.05 in1.3 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 40°4°

      Dry

    2. Afternoon

      noon–6 PM

      Rain, 52°11°

      30% chance

    3. Evening

      6 PM–midnight

      Rain, 46°8°

      40% chance · 0.02 in0.5 mm

    4. Overnight

      midnight–6 AM

      Rain, 43°6°

      60% chance · 0.11 in2.8 mm

    Official NWS forecast

    Today: A chance of rain after 3pm. Cloudy. High near 53, with temperatures falling to around 51 in the afternoon. Northeast wind 1 to 8 mph. Chance of precipitation is 30%.

    Tonight: Cloudy. Low around 38, with temperatures rising to around 40 overnight. East southeast wind around 2 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    48°9°–54°12°
    Low, likely
    37°3°–45°7°
    Typical high / low
    56°13° / 42°6°
    Wind
    12 mph19 km/h, gusts 24 mph39 km/h
    UV peak
    1
  2. Tomorrow, Oct 25. Rain. High 57°14°, low 40°4°. Typical 56°13° / 41°5°. Rain 0.13 in3.3 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 43°6°

      50% chance · 0.06 in1.5 mm

    2. Afternoon

      noon–6 PM

      Rain, 56°13°

      50% chance · 0.05 in1.3 mm

    3. Evening

      6 PM–midnight

      Rain, 48°9°

      20% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 44°7°

      Dry

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy, with a high near 57. Northeast wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 40. North northeast wind 3 to 7 mph. Chance of precipitation is 20%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    52°11°–60°16°
    Low, likely
    40°4°–46°8°
    Typical high / low
    56°13° / 41°5°
    Wind
    11 mph17 km/h, gusts 21 mph34 km/h
    UV peak
    2
  3. Monday, Oct 26. Partly sunny. High 57°14°, low 41°5°. Typical 56°13° / 41°5°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 44°7°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 53°12°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 49°9°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 48°9°

      20% chance · 0.02 in0.6 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 57.

    Night: A slight chance of rain after 5am. Mostly cloudy, with a low around 41.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    53°12°–57°14°
    Low, likely
    41°5°–47°8°
    Typical high / low
    56°13° / 41°5°
    Wind
    9 mph14 km/h, gusts 14 mph23 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Rain. High 56°13°, low 39°4°. Typical 56°13° / 41°5°. Rain 0.2 in5.1 mm, 30% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Drizzle, 48°9°

      30% chance · 0.01 in0.3 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 52°11°

      30% chance · 0.03 in0.8 mm

    3. Evening

      6 PM–midnight

      Drizzle, 49°9°

      50% chance · 0.11 in2.7 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 46°8°

      70% chance · 0.12 in2.9 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy, with a high near 56.

    Night: Rain likely. Mostly cloudy, with a low around 39.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    51°11°–56°13°
    Low, likely
    39°4°–48°9°
    Typical high / low
    56°13° / 41°5°
    Wind
    12 mph20 km/h, gusts 21 mph33 km/h
    UV peak
    2
  5. Wednesday, Oct 28. Rain. High 55°13°, low 36°2°. Typical 55°13° / 41°5°. Rain 0.43 in11 mm, 50% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Rain, 45°7°

      60% chance · 0.06 in1.5 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 50°10°

      60% chance · 0.06 in1.5 mm

    3. Evening

      6 PM–midnight

      Drizzle, 46°8°

      50% chance · 0.17 in4.3 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 43°6°

      40% chance · 0.07 in1.7 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Mostly cloudy, with a high near 55.

    Night: A chance of rain. Mostly cloudy, with a low around 36.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    49°9°–55°13°
    Low, likely
    36°2°–46°8°
    Typical high / low
    55°13° / 41°5°
    Wind
    15 mph24 km/h, gusts 20 mph32 km/h
    UV peak
    3
  6. Thursday, Oct 29. Rain. High 54°12°, low 35°2°. Typical 55°13° / 41°5°. Rain 0.36 in9.1 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 42°6°

      40% chance · 0.2 in5.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 47°8°

      20% chance · 0.04 in1.1 mm

    3. Evening

      6 PM–midnight

      Cloudy, 43°6°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 41°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Partly sunny, with a high near 54.

    Night: A slight chance of rain before 5am. Mostly cloudy, with a low around 35.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    45°7°–54°12°
    Low, likely
    35°2°–42°6°
    Typical high / low
    55°13° / 41°5°
    Wind
    11 mph17 km/h, gusts 17 mph27 km/h
  7. Friday, Oct 30. Rain. High 54°12°, low 39°4°. Typical 55°13° / 40°4°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 50°10°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 43°6°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 37°3°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain between 11am and 5pm. Mostly sunny, with a high near 54.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    48°9°–54°12°
    Low, likely
    38°3°–40°4°
    Typical high / low
    55°13° / 40°4°
    Wind
    6 mph10 km/h, gusts 14 mph22 km/h
    UV peak
    2
  8. Saturday, Oct 31. Cloudy. High 48°9°, low 37°3°. Typical 55°13° / 40°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 37°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 47°8°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 43°6°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 42°5°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    47°8°–49°9°
    Low, likely
    35°2°–38°3°
    Typical high / low
    55°13° / 40°4°
    Wind
    9 mph14 km/h, gusts 14 mph23 km/h
    UV peak
    2
  9. Sunday, Nov 1. Partly sunny. High 49°9°, low 40°4°. Typical 54°12° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 42°5°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 49°9°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 44°7°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 42°6°

      20% chance · 0.04 in1 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    46°8°–52°11°
    Low, likely
    35°2°–43°6°
    Typical high / low
    54°12° / 40°4°
    Wind
    12 mph20 km/h, gusts 23 mph37 km/h
    UV peak
    3
  10. Monday, Nov 2. Partly sunny. High 52°11°, low 40°4°. Typical 54°12° / 40°4°. Rain 0.06 in1.5 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 45°7°

      20% chance · 0.1 in2.6 mm

    2. Afternoon

      noon–6 PM

      Mostly sunny, 53°11°

      20% chance · 0.08 in2.1 mm

    3. Evening

      6 PM–midnight

      Clear, 46°8°

      20% chance

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    50°10°–56°13°
    Low, likely
    36°2°–43°6°
    Typical high / low
    54°12° / 40°4°
    Wind
    6 mph10 km/h, gusts 12 mph19 km/h
    UV peak
    2

The outlook

  1. Today

    30% chance of rain, high 53°, low 38°.

  2. Tomorrow

    52% chance of rain, high 57°, low 40°, warming up.

  3. Monday

    Dry, high 57°, low 41°.

  4. Rest of week

    Highs 48–56°; chance of precipitation on Wednesday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SEW) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Nooksack River at Ferndale

4.2 mi
Below flood stage
Level
3.4 ft
Flow
394 cfs

Forecast peak 3.8 ft Wed 11 PM

Reading from Sat 1:30 AM · NWS gauge page

Nooksack River at North Cedarvillle

12 mi
Below flood stage
Level
138 ft
Flow
457 cfs

Forecast peak 138 ft Mon 4 AM

Reading from Sat 1:30 AM · NWS gauge page

South Fork Nooksack River near Saxon Bridge

19 mi
Below flood stage
Level
0.3 ft
Flow
98 cfs

Forecast peak 0.8 ft Mon 4 AM

Reading from Sat 2 AM · NWS gauge page

Nooksack River near Lynden

9.7 mi
Level
35.3 ft
Flow
581 cfs

Reading from Sat 2 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 69% less heating than a typical week.

This week 36Typical 117

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
29
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 8 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 34°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Bellingham International Airport · official normals 1991–2020 · records 1949–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Normal high / low
56°13° / 42°6°
Forecast high / low
53°12° / 38°3°
Record high
72°22° in 1957
Record low
27°−3° in 1954

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

  1. −4°−2°SunOct 18
  2. −1°MonOct 19
  3. −2°−1°TueOct 20
  4. −1°WedOct 21
  5. −3°−2°ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

Marietta-Alderwood weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:44 AM, sunset 6:03 PM.

Daylight
10 h 19 min
Losing 3 min 22 s a day; shortest Dec 21, 2 h 3 min less
Golden hour
5:18–6:23 PM
Morning 7:24–8:29 AM
Blue hour
6:23–6:35 PM
Morning 7:12–7:24 AM; first light 7:12 AM

Stars tonight? Poor

Clouds most of the night (about 89% cover).

Moon

Waxing gibbous

96% lit · growing

Today
sets 6:00 AM · rises 5:05 PM
Full moon
Oct 25
New moon
Nov 8
Looking east from Marietta-Alderwood. The highest point on the skyline is about 10,700 ft, 34 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.