Newcastle, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    80% Chance of Rain
    57°
    Forecast night icon
    Night
    Mostly Clear
    37°
    Tuesday 5/7
    Day
    57°
    80% Chance of Rain
    Forecast day icon
    Night
    37°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with probable rain. Chance of precipitation 75%. High temperature around 57F. Dew point will be around 35F with an average humidity of 72%. Winds will be 4 mph from the NW.
    Night Details
    Mostly clear. Lows near 40. Northwest wind around 10 mph in the evening becoming light.
  • Forecast day icon
    Wednesday
    Partly Sunny
    56°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Wednesday 5/8
    Day
    56°
    Partly Sunny
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming sunny. Highs in the lower to mid 60s. Light wind becoming north around 10 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the lower to mid 40s. North wind around 10 mph in the evening becoming light.
  • Forecast day icon
    Thursday
    Sunny
    69°
    Forecast night icon
    Night
    Clear
    50°
    Thursday 5/9
    Day
    69°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the 70s. Light wind becoming north around 10 mph in the afternoon.
    Night Details
    Clear. Lows in the lower to mid 50s. North wind around 10 mph in the evening becoming light.
  • Forecast day icon
    Friday
    Sunny
    76°
    Forecast night icon
    Night
    Clear
    53°
    Friday 5/10
    Day
    76°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs near 80.
    Night Details
    Clear. Lows in the lower to mid 50s.
  • Forecast day icon
    Saturday
    Sunny
    77°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Saturday 5/11
    Day
    77°
    Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower to mid 80s.
    Night Details
    Mostly clear. Lows in the lower 50s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Sunday 5/12
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower to mid 70s.
    Night Details
    Partly cloudy. Lows near 50.
  • Forecast day icon
    Monday
    Partly Sunny
    58°
    Forecast night icon
    Night
    Chance of Rain Showers
    46°
    Monday 5/13
    Day
    58°
    Partly Sunny
    Forecast day icon
    Night
    46°
    Chance of Rain Showers
    Forecast night icon
    Day Details
    Partly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy in the evening then mostly cloudy with a slight chance of showers after midnight. Lows near 50.
  • Forecast day icon
    Tuesday
    Chance of Rain Showers
    57°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Tuesday 5/14
    Day
    57°
    Chance of Rain Showers
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly sunny with a slight chance of showers. Highs in the mid to upper 60s.
    Night Details
    Partly cloudy. Low temperature around 44F. Dew point will be around 40F with an average humidity of 72%. Winds will be 2 mph from the S.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    59°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Wednesday 5/15
    Day
    59°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 59F. Dew point will be around 40F with an average humidity of 62%. Winds will be 2 mph from the W.
    Night Details
    Mostly cloudy. Low temperature around 46F. Dew point will be around 41F with an average humidity of 71%. Winds will be 1 mph from the SE.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    58°
    Forecast night icon
    Night
    Mostly Clear
    43°
    Thursday 5/16
    Day
    58°
    30% Chance of Rain
    Forecast day icon
    Night
    43°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 41F with an average humidity of 65%. Winds will be 2 mph from the W.
    Night Details
    Mostly clear. Low temperature around 43F. Dew point will be around 39F with an average humidity of 72%. Winds will be 2 mph from the SE.