National Weather Service forecast

Sumas, Washington Weather

40°Overnight: Mostly Clear
Wind ENE 2 mph
7-DayHourlyRadar

Sumas 7-Day Forecast

  1. Overnight
    40°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 40. East northeast wind around 2 mph.

  2. Wednesday
    59°F
    Partly Sunny then Chance Light Rain
    26% chance of precipitation

    A chance of rain after 4pm. Partly sunny. High near 59, with temperatures falling to around 54 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    46°F
    Light Rain
    92% chance of precipitation

    Rain. Mostly cloudy, with a low around 46. Southwest wind 5 to 13 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

  4. Thursday
    56°F
    Partly Sunny
    11% chance of precipitation

    Partly sunny, with a high near 56. South southwest wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.

  5. Thursday Night
    45°F
    Light Rain
    95% chance of precipitation

    Rain after 10pm. Mostly cloudy, with a low around 45. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

  6. Friday
    54°F
    Light Rain
    95% chance of precipitation

    Rain. Cloudy, with a high near 54. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

  7. Friday Night
    45°F
    Light Rain Likely
    73% chance of precipitation

    Rain likely. Cloudy, with a low around 45.

  8. Saturday
    61°F
    Chance Light Rain
    52% chance of precipitation

    A chance of rain. Mostly cloudy, with a high near 61.

  9. Saturday Night
    48°F
    Rain then Showers And Thunderstorms Likely
    86% chance of precipitation

    Rain before 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 48.

  10. Sunday
    55°F
    Showers And Thunderstorms Likely then Chance Light Rain
    68% chance of precipitation

    Showers and thunderstorms likely before 10am, then a chance of rain. Mostly cloudy, with a high near 55.

  11. Sunday Night
    41°F
    Slight Chance Light Rain
    24% chance of precipitation

    A slight chance of rain. Mostly cloudy, with a low around 41.

  12. Monday
    55°F
    Chance Light Rain
    44% chance of precipitation

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

  13. Monday Night
    45°F
    Light Rain Likely
    70% chance of precipitation

    Rain likely. Mostly cloudy, with a low around 45.

  14. Tuesday
    57°F
    Light Rain Likely
    70% chance of precipitation

    Rain likely. Cloudy, with a high near 57.

Issued by the National Weather Service (SEW office), updated .

Sumas Hourly Forecast

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Sumas Weather Radar

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About Sumas

Population (2020 Census)
1,583
Coordinates
48.996, -122.269
Elevation
49 ft
NWS forecast office
SEW
Time zone
America/Los Angeles
Sunrise today
7:01 AM PST
Sunset today
4:44 PM PST
Daylight today
9 h 43 min

Sumas Weather Questions

What is the weather forecast for Sumas, Washington?

Overnight: Mostly clear, with a low around 40. East northeast wind around 2 mph. Wednesday: A chance of rain after 4pm. Partly sunny. High near 59, with temperatures falling to around 54 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Sumas this week?

The best chance of precipitation is Thursday Night at 95%. Periods with a 30% chance or more: Wednesday Night (92%), Thursday Night (95%), Friday (95%), Friday Night (73%), Saturday (52%), Saturday Night (86%), Sunday (68%), Monday (44%), Monday Night (70%), Tuesday (70%).

How warm and how cold will it get in Sumas this week?

The warmest day is Saturday, with a high near 61°F. The coldest night is Overnight, with a low near 40°F.

What time are sunrise and sunset in Sumas today?

Sunrise is at 7:01 AM PST and sunset is at 4:44 PM PST, for 9 h 43 min of daylight.

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