Washington · NWS SEW office

Arlington, WA weather

It is 46°F and light rain at Arlington Municipal Airport as of Oct 28, 2:05 AM PDT. Overnight: Showers And Thunderstorms Likely, low near 37°F, 75% chance of precipitation. Forecast from the National Weather Service, issued Oct 27, 11:27 PM PDT.

Updated Oct 28, 2:29 AM PDT (snapshot)

Current conditions

Temperature

46°F

Light Rain · feels like 43°F

Wind

SSE 7 mph

Humidity 93% · dew point 45°F

Pressure · visibility

29.85 inHg

Visibility 10 mi

Observed at Arlington Municipal Airport (KAWO), Oct 28, 2:05 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Arlington forecast zone right now.

Around the NWS SEW forecast area

No active alerts in zones served by the SEW office near Arlington.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. Washington has 5 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Arlington (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM42°FLight Rain Likely58%SSE 5 mph
Wed 5 AM42°FLight Rain Likely67%SSE 3 mph
Wed 6 AM40°FLight Rain76%SSE 3 mph
Wed 7 AM40°FLight Rain83%SSE 3 mph
Wed 8 AM39°FLight Rain Likely71%SSE 3 mph
Wed 9 AM38°FLight Rain Likely70%SSE 3 mph
Wed 10 AM42°FLight Rain Likely57%SSE 3 mph
Wed 11 AM44°FLight Rain Likely61%SSE 5 mph
Wed 12 PM46°FChance Light Rain53%SSE 5 mph
Wed 1 PM47°FChance Light Rain39%SSE 5 mph
Wed 2 PM48°FChance Light Rain33%SSE 5 mph
Wed 3 PM50°FChance Light Rain32%SSE 5 mph
Wed 4 PM49°FChance Light Rain32%SSE 5 mph
Wed 5 PM48°FChance Light Rain28%ESE 7 mph
Wed 6 PM47°FChance Light Rain35%ESE 7 mph
Wed 7 PM43°FLight Rain Likely69%ESE 7 mph
Wed 8 PM42°FLight Rain Likely68%ESE 12 mph
Wed 9 PM41°FLight Rain Likely57%ESE 12 mph
Wed 10 PM40°FChance Light Rain32%ESE 12 mph
Wed 11 PM40°FMostly Cloudy5%ESE 12 mph
Thu 12 AM39°FSlight Chance Light Rain19%ESE 12 mph
Thu 1 AM39°FChance Light Rain37%ESE 12 mph
Thu 2 AM38°FChance Light Rain43%ESE 7 mph
Thu 3 AM38°FChance Light Rain50%ESE 7 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Arlington can differ.

7-day forecast

Overnight

Low 37°F

Showers and thunderstorms likely before 5am, then rain. Cloudy. Low around 37, with temperatures rising to around 41 overnight. South wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

High 50°F·Low 33°F

Rain before 8am, then showers and thunderstorms between 8am and 2pm, then rain. Mostly cloudy. High near 50, with temperatures falling to around 48 in the afternoon. Southeast wind 2 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night: Rain. Mostly cloudy. Low around 33, with temperatures rising to around 38 overnight. East southeast wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

High 52°F·Low 32°F

A chance of rain before 11am, then a chance of rain and patchy fog between 11am and noon. Mostly cloudy, with a high near 52. Southeast wind 1 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night: Rain likely after 11pm. Mostly cloudy, with a low around 32. East northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Friday

High 50°F·Low 31°F

Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Friday Night: A slight chance of rain before 5am. Mostly cloudy, with a low around 31.

Saturday

High 53°F·Low 32°F

Partly sunny, with a high near 53.

Saturday Night: Mostly cloudy, with a low around 32.

Sunday

High 53°F·Low 32°F

Partly sunny, with a high near 53.

Sunday Night: Mostly cloudy, with a low around 32.

Monday

High 55°F·Low 35°F

Partly sunny, with a high near 55.

Monday Night: A slight chance of rain between 10pm and 4am. Mostly cloudy, with a low around 35.

Tuesday

High 56°F

Partly sunny, with a high near 56.

Nearby cities

Larger cities in the area

Other cities in Snohomish County

See every city we cover in Washington, or check all active alerts.

About this forecast

Forecast office
Arlington is served by the National Weather Service SEW forecast office, forecast zone WAZ311, county zone WAC061.
Location used
The Census Bureau's internal point for Arlington (48.1704, -122.1446), in Snohomish County. Population: 21,959 (2024 estimate), number 52 of the 58 Washington cities on this site.
Radar
Nearest NWS radar: KATX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/48.1704,-122.1446 (forecast issued Oct 27, 11:27 PM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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