10-Day Weather Forecast - Newcastle, WA

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  • |44°F
    Mostly Clear
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    Tonight

    44°F

    Mostly clear. Lows in the lower to mid 40s. Light wind.

    Hourly details
  • Day

    64°F

    Mostly sunny. Highs in the upper 50s to mid 60s. South wind to 10 mph becoming southwest around 10 mph in the afternoon.

    Night

    46°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 40s. Southwest wind around 10 mph becoming south to 10 mph after midnight.

    Hourly details
  • Day

    59°F

    Mostly cloudy. A slight chance of rain in the morning. Highs near 60. South wind to 10 mph becoming southwest in the afternoon.

    Night

    44°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower to mid 40s. Light wind.

    Hourly details
  • Day

    68°F

    Sunny. Highs near 70.

    Night

    45°F

    Mostly clear. Lows in the mid to upper 40s.

    Hourly details
  • Day

    74°F

    Mostly sunny. Highs in the lower to mid 70s.

    Night

    47°F

    Partly cloudy. Lows in the mid to upper 40s.

    Hourly details
  • Day

    70°F

    Mostly sunny. Highs in the upper 60s.

    Night

    48°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 40s.

    Hourly details
  • Weekend Weather

  • Day

    73°F

    Partly sunny. Highs in the upper 60s.

    Night

    46°F

    Partly cloudy. Lows in the upper 40s.

    Hourly details
  • Day

    74°F

    Sunny. Highs in the mid to upper 70s.

    Night

    49°F

    Clear. Low temperature around 49F. Dew point will be around 49F with an average humidity of 77%. Winds will be 3 mph from the N.

  • Day

    76°F

    Sunny. High temperature around 76F. Dew point will be around 50F with an average humidity of 59%. Winds will be 3 mph from the NW.

    Night

    48°F

    Clear. Low temperature around 48F. Dew point will be around 48F with an average humidity of 73%. Winds will be 2 mph from the SE.

  • Day

    68°F

    Mostly cloudy. High temperature around 68F. Dew point will be around 48F with an average humidity of 66%. Winds will be 3 mph from the W.

    Night

    44°F

    Mostly clear. Low temperature around 44F. Dew point will be around 44F with an average humidity of 76%. Winds will be 2 mph from the SE.