Washington · NWS SEW office

Mountlake Terrace, WA weather

It is 49°F at SEATTLE WEATHER FORECAST OFFICE as of Oct 28, 1:30 AM PDT. Overnight: Chance Light Rain, low near 43°F, 53% chance of precipitation. Forecast from the National Weather Service, issued Oct 27, 11:27 PM PDT.

Updated Oct 28, 2:27 AM PDT (snapshot)

Current conditions

Temperature

49°F

Chance Light Rain · feels like 44°F

Wind

S 11 mph

Humidity 92% · dew point 47°F

Pressure · visibility

—

Visibility —

Observed at SEATTLE WEATHER FORECAST OFFICE (SEAW1), Oct 28, 1:30 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Mountlake Terrace forecast zone right now.

Around the NWS SEW forecast area

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

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 Mountlake Terrace (local time)
TimeTempForecastPrecip. chanceWind
Wed 2 AM45°FChance Light Rain49%S 7 mph
Wed 3 AM45°FChance Light Rain44%S 6 mph
Wed 4 AM44°FChance Light Rain36%S 6 mph
Wed 5 AM44°FChance Light Rain44%S 6 mph
Wed 6 AM45°FChance Light Rain45%S 6 mph
Wed 7 AM44°FChance Light Rain46%S 6 mph
Wed 8 AM44°FChance Light Rain42%S 6 mph
Wed 9 AM43°FChance Light Rain41%S 6 mph
Wed 10 AM45°FChance Light Rain38%S 7 mph
Wed 11 AM46°FChance Light Rain36%S 7 mph
Wed 12 PM47°FChance Light Rain35%S 7 mph
Wed 1 PM48°FChance Light Rain36%SSW 6 mph
Wed 2 PM49°FChance Light Rain41%S 6 mph
Wed 3 PM50°FChance Light Rain47%S 6 mph
Wed 4 PM48°FChance Light Rain51%S 6 mph
Wed 5 PM48°FChance Light Rain42%S 6 mph
Wed 6 PM47°FChance Light Rain47%S 6 mph
Wed 7 PM45°FLight Rain Likely61%S 6 mph
Wed 8 PM44°FChance Light Rain50%SSE 6 mph
Wed 9 PM43°FChance Light Rain30%SSE 6 mph
Wed 10 PM42°FMostly Cloudy6%SSE 6 mph
Wed 11 PM42°FMostly Cloudy6%SSE 6 mph
Thu 12 AM42°FSlight Chance Light Rain17%SSE 6 mph
Thu 1 AM41°FMostly Cloudy11%SSE 6 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 Mountlake Terrace can differ.

7-day forecast

Overnight

Low 43°F

A chance of rain. Mostly cloudy. Low around 43, with temperatures rising to around 45 overnight. South southwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

High 51°F·Low 39°F

A chance of rain before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of rain. Mostly cloudy. High near 51, with temperatures falling to around 49 in the afternoon. South wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night: Rain likely. Mostly cloudy. Low around 39, with temperatures rising to around 41 overnight. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Thursday

High 51°F·Low 38°F

A chance of rain. Partly sunny, with a high near 51. South wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night: Rain likely. Mostly cloudy, with a low around 38. North northeast wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Friday

High 49°F·Low 36°F

Rain likely. Partly sunny, with a high near 49. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Friday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 36.

Saturday

High 50°F·Low 38°F

Partly sunny, with a high near 50.

Saturday Night: Mostly cloudy, with a low around 38.

Sunday

High 51°F·Low 38°F

Partly sunny, with a high near 51.

Sunday Night: Mostly cloudy, with a low around 38.

Monday

High 52°F·Low 40°F

Partly sunny, with a high near 52.

Monday Night: Mostly cloudy, with a low around 40.

Tuesday

High 53°F

Partly sunny, with a high near 53.

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
Mountlake Terrace is served by the National Weather Service SEW forecast office, forecast zone WAZ313, county zone WAC061.
Location used
The Census Bureau's internal point for Mountlake Terrace (47.7943, -122.3026), in Snohomish County. Population: 25,198 (2024 estimate), number 46 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/47.7943,-122.3026 (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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