10-Day Weather Forecast - Newcastle, WA

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  • |48°F
    Partly Cloudy
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    Tonight

    48°F

    Mostly cloudy in the evening then becoming partly cloudy. Patchy dense fog late in the evening. Widespread dense fog after midnight then areas of fog late in the night. Lows in the lower to mid 40s. Light wind.

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  • Day

    51°F

    Mostly sunny. Areas of fog until late afternoon. Highs in the 50s. Light wind.

    Night

    44°F

    Partly cloudy. Areas of fog in the late evening and early morning. Lows near 40. Light wind.

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  • Day

    48°F

    Mostly sunny. Patchy fog in the morning. Highs in the 50s. Light wind.

    Night

    38°F

    Mostly clear. Lows in the mid 30s to lower 40s. Light wind.

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  • Day

    50°F

    Sunny. Highs in the lower to mid 50s.

    Night

    36°F

    Mostly clear. Lows in the mid to upper 30s.

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  • Weekend Weather

  • Day

    51°F

    Sunny. Highs in the 50s.

    Night

    36°F

    Mostly clear. Lows in the mid to upper 30s.

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  • Day

    50°F

    Sunny. Highs in the lower to mid 50s.

    Night

    35°F

    Mostly clear. Lows in the mid to upper 30s.

    Hourly details
  • Day

    47°F

    Mostly sunny. Highs in the lower to mid 50s.

    Night

    38°F

    Mostly cloudy. Lows in the upper 30s.

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  • Day

    43°F

    Mostly cloudy. Highs near 50.

    Night

    38°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 38F. Dew point will be around 40F with an average humidity of 98%. Winds will be 1 mph from the S.

  • Day

    41°F

    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 41F. Dew point will be around 38F with an average humidity of 97%. Winds will be 1 mph from the NW.

    Night

    35°F

    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 35F. Dew point will be around 36F with an average humidity of 98%. Winds will be 1 mph from the S.

  • Day

    38°F

    Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 38F. Dew point will be around 35F with an average humidity of 94%. Winds will be 2 mph from the NW.

    Night

    32°F

    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 32F. Dew point will be around 33F with an average humidity of 94%. Winds will be 1 mph from the NW.