National Weather Service forecast

Newcastle, Washington Weather

42°Overnight: Mostly Clear
Wind SE 3 mph
7-DayHourlyRadar

Newcastle 7-Day Forecast

  1. Overnight
    42°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 42. Southeast wind around 3 mph.

  2. Wednesday
    58°F
    Partly Sunny then Chance Light Rain
    38% chance of precipitation

    A chance of rain after 4pm. Partly sunny. High near 58, with temperatures falling to around 55 in the afternoon. South wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    49°F
    Light Rain
    88% chance of precipitation

    Rain before 5am. Mostly cloudy, with a low around 49. South wind 6 to 14 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

  4. Thursday
    57°F
    Partly Sunny
    7% chance of precipitation

    Partly sunny, with a high near 57. South southwest wind 5 to 12 mph. New rainfall amounts less than a tenth of an inch possible.

  5. Thursday Night
    47°F
    Mostly Cloudy then Light Rain Likely
    62% chance of precipitation

    Rain likely after 4am. Mostly cloudy, with a low around 47. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

  6. Friday
    55°F
    Light Rain Likely
    73% chance of precipitation

    Rain likely. Cloudy, with a high near 55. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

  7. Friday Night
    49°F
    Light Rain Likely
    68% chance of precipitation

    Rain likely. Cloudy, with a low around 49.

  8. Saturday
    62°F
    Chance Light Rain
    27% chance of precipitation

    A chance of rain. Mostly cloudy, with a high near 62.

  9. Saturday Night
    51°F
    Light Rain
    81% chance of precipitation

    Rain. Mostly cloudy, with a low around 51.

  10. Sunday
    55°F
    Light Rain Likely
    65% chance of precipitation

    Rain likely. Mostly cloudy, with a high near 55.

  11. Sunday Night
    44°F
    Slight Chance Light Rain
    15% chance of precipitation

    A slight chance of rain. Mostly cloudy, with a low around 44.

  12. Monday
    56°F
    Chance Light Rain
    39% chance of precipitation

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

  13. Monday Night
    48°F
    Light Rain Likely
    55% chance of precipitation

    Rain likely. Mostly cloudy, with a low around 48.

  14. Tuesday
    58°F
    Light Rain Likely
    56% chance of precipitation

    Rain likely. Mostly cloudy, with a high near 58.

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

Newcastle Hourly Forecast

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About Newcastle

Population (2020 Census)
13,017
Coordinates
47.535, -122.167
Elevation
397 ft
NWS forecast office
SEW
Time zone
America/Los Angeles
Sunrise today
6:57 AM PST
Sunset today
4:47 PM PST
Daylight today
9 h 50 min

Newcastle Weather Questions

What is the weather forecast for Newcastle, Washington?

Overnight: Mostly clear, with a low around 42. Southeast wind around 3 mph. Wednesday: A chance of rain after 4pm. Partly sunny. High near 58, with temperatures falling to around 55 in the afternoon. South wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Newcastle this week?

The best chance of precipitation is Wednesday Night at 88%. Periods with a 30% chance or more: Wednesday (38%), Wednesday Night (88%), Thursday Night (62%), Friday (73%), Friday Night (68%), Saturday Night (81%), Sunday (65%), Monday (39%), Monday Night (55%), Tuesday (56%).

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

The warmest day is Saturday, with a high near 62°F. The coldest night is Overnight, with a low near 42°F.

What time are sunrise and sunset in Newcastle today?

Sunrise is at 6:57 AM PST and sunset is at 4:47 PM PST, for 9 h 50 min of daylight.

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