Washington · NWS SEW office

Mount Vernon, WA weather

It is 45°F and mostly cloudy at Burlington/Mount Vernon, Skagit Regional Airport as of Oct 28, 1:55 AM PDT. Overnight: Chance Showers And Thunderstorms, low near 38°F, 77% chance of precipitation. Forecast from the National Weather Service, issued Oct 27, 11:27 PM PDT.

Updated Oct 28, 2:24 AM PDT (snapshot)

Current conditions

Temperature

45°F

Mostly Cloudy

Wind

Calm

Humidity 100% · dew point 45°F

Pressure · visibility

29.84 inHg

Visibility 10 mi

Observed at Burlington/Mount Vernon, Skagit Regional Airport (KBVS), Oct 28, 1:55 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Mount Vernon forecast zone right now.

Around the NWS SEW forecast area

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

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 Mount Vernon (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM42°FChance Light Rain51%S 5 mph
Wed 5 AM41°FLight Rain75%S 3 mph
Wed 6 AM40°FLight Rain81%S 3 mph
Wed 7 AM40°FLight Rain83%S 2 mph
Wed 8 AM40°FLight Rain Likely74%S 2 mph
Wed 9 AM39°FLight Rain75%S 3 mph
Wed 10 AM43°FLight Rain Likely62%S 3 mph
Wed 11 AM44°FLight Rain Likely56%SSE 5 mph
Wed 12 PM46°FChance Light Rain44%SSE 5 mph
Wed 1 PM47°FChance Light Rain31%SSE 3 mph
Wed 2 PM48°FSlight Chance Light Rain20%SSE 3 mph
Wed 3 PM49°FMostly Sunny13%SE 3 mph
Wed 4 PM49°FMostly Sunny12%ESE 3 mph
Wed 5 PM47°FSlight Chance Light Rain15%ESE 5 mph
Wed 6 PM47°FSlight Chance Light Rain19%ESE 5 mph
Wed 7 PM43°FChance Light Rain29%ESE 5 mph
Wed 8 PM42°FChance Light Rain53%ESE 10 mph
Wed 9 PM41°FLight Rain Likely57%ESE 10 mph
Wed 10 PM40°FChance Light Rain32%ESE 10 mph
Wed 11 PM40°FCloudy4%ESE 10 mph
Thu 12 AM40°FCloudy12%ESE 10 mph
Thu 1 AM39°FChance Light Rain29%ESE 10 mph
Thu 2 AM39°FChance Light Rain45%ESE 7 mph
Thu 3 AM39°FChance Light Rain47%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 Mount Vernon can differ.

7-day forecast

Overnight

Low 38°F

A chance of showers and thunderstorms before 5am, then rain. Mostly cloudy. Low around 38, with temperatures rising to around 40 overnight. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

High 49°F·Low 36°F

Rain before 8am, then showers and thunderstorms likely between 8am and 11am, then rain likely. Mostly cloudy. High near 49, with temperatures falling to around 47 in the afternoon. South wind 2 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night: Rain likely. Mostly cloudy. Low around 36, with temperatures rising to around 38 overnight. East wind 1 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

High 51°F·Low 34°F

A chance of rain before noon. Mostly cloudy, with a high near 51. East southeast wind 2 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night: A chance of rain after 11pm. Mostly cloudy, with a low around 34. East northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Friday

High 48°F·Low 33°F

Rain likely. Mostly cloudy, with a high near 48. 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 33.

Saturday

High 52°F·Low 34°F

Partly sunny, with a high near 52.

Saturday Night: Mostly cloudy, with a low around 34.

Sunday

High 52°F·Low 35°F

Partly sunny, with a high near 52.

Sunday Night: Mostly cloudy, with a low around 35.

Monday

High 54°F·Low 37°F

Partly sunny, with a high near 54.

Monday Night: Mostly cloudy, with a low around 37.

Tuesday

High 55°F

Partly sunny, with a high near 55.

Nearby cities

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About this forecast

Forecast office
Mount Vernon is served by the National Weather Service SEW forecast office, forecast zone WAZ311, county zone WAC057.
Location used
The Census Bureau's internal point for Mount Vernon (48.4171, -122.3118), in Skagit County. Population: 35,344 (2024 estimate), number 35 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/48.4171,-122.3118 (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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