Newcastle, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    60% Chance of Rain
    60°
    Forecast night icon
    Night
    Chance of Rain
    44°
    Friday 5/17
    Day
    60°
    60% Chance of Rain
    Forecast day icon
    Night
    44°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 60%. High temperature around 60F. Dew point will be around 34F with an average humidity of 65%. Winds will be 9 mph from the SW.
    Night Details
    Mostly cloudy. A slight chance of rain late in the night. Lows in the mid to upper 40s. Light wind.
  • Forecast day icon
    Saturday
    Chance of Storms
    49°
    Forecast night icon
    Night
    Chance of Storms
    40°
    Saturday 5/18
    Day
    49°
    Chance of Storms
    Forecast day icon
    Night
    40°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Cloudy. A chance of rain in the morning then rain likely early in the afternoon. Showers likely and a slight chance of thunderstorms late in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible except higher amounts possible in thunderstorms. Highs in the mid to upper 50s. Light wind.
    Night Details
    Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the evening then a chance of rain late in the evening. A slight chance of rain after midnight. Patchy fog in the morning. Lows in the lower to mid 40s. Light wind.
  • Forecast day icon
    Sunday
    Chance of Rain
    56°
    Forecast night icon
    Night
    Mostly Clear
    40°
    Sunday 5/19
    Day
    56°
    Chance of Rain
    Forecast day icon
    Night
    40°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of rain in the morning. Highs in the lower to mid 60s. Light wind.
    Night Details
    Mostly clear. Lows in the lower to mid 40s. Light wind.
  • Forecast day icon
    Monday
    Mostly Sunny
    61°
    Forecast night icon
    Night
    Chance of Rain
    47°
    Monday 5/20
    Day
    61°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs near 70.
    Night Details
    Mostly clear in the evening then mostly cloudy with a slight chance of rain after midnight. Lows in the upper 40s.
  • Forecast day icon
    Tuesday
    Chance of Rain
    52°
    Forecast night icon
    Night
    Chance of Rain
    46°
    Tuesday 5/21
    Day
    52°
    Chance of Rain
    Forecast day icon
    Night
    46°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of rain in the morning then mostly cloudy with rain likely in the afternoon. Highs in the upper 50s.
    Night Details
    Mostly cloudy with rain likely in the evening then mostly cloudy with a chance of rain after midnight. Lows near 50.
  • Forecast day icon
    Wednesday
    Chance of Rain
    54°
    Forecast night icon
    Night
    Chance of Rain
    44°
    Wednesday 5/22
    Day
    54°
    Chance of Rain
    Forecast day icon
    Night
    44°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of rain. Highs in the lower 60s.
    Night Details
    Mostly cloudy with a slight chance of rain. Lows in the mid to upper 40s.
  • Forecast day icon
    Thursday
    Chance of Rain
    51°
    Forecast night icon
    Night
    Chance of Rain
    46°
    Thursday 5/23
    Day
    51°
    Chance of Rain
    Forecast day icon
    Night
    46°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a slight chance of rain. Highs in the lower to mid 60s.
    Night Details
    Mostly cloudy with a slight chance of rain. Lows in the upper 40s.
  • Forecast day icon
    Friday
    Chance of Rain
    59°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Friday 5/24
    Day
    59°
    Chance of Rain
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Highs in the mid 60s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 47F. Dew point will be around 42F with an average humidity of 72%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    62°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Saturday 5/25
    Day
    62°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 62F. Dew point will be around 42F with an average humidity of 59%. Winds will be 3 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 41F with an average humidity of 68%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    63°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Sunday 5/26
    Day
    63°
    Mostly Cloudy
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 63F. Dew point will be around 41F with an average humidity of 56%. Winds will be 4 mph from the W.
    Night Details
    Mostly clear. Low temperature around 47F. Dew point will be around 41F with an average humidity of 69%. Winds will be 2 mph from the SE.