Newcastle, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Sunny
    61°
    Forecast night icon
    Night
    Clear
    39°
    Thursday 4/18
    Day
    61°
    Sunny
    Forecast day icon
    Night
    39°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. High temperature around 61F. Dew point will be around 32F with an average humidity of 45%. Winds will be 7 mph from the N.
    Night Details
    Clear. Lows near 40. North wind 10 to 15 mph becoming northeast after midnight.
  • Forecast day icon
    Friday
    Sunny
    67°
    Forecast night icon
    Night
    Clear
    45°
    Friday 4/19
    Day
    67°
    Sunny
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 60s to lower 70s. Northeast wind to 10 mph becoming east in the afternoon.
    Night Details
    Clear. Lows in the mid to upper 40s. East wind 10 to 15 mph.
  • Forecast day icon
    Saturday
    Chance of Rain Showers
    62°
    Forecast night icon
    Night
    Rain
    44°
    Saturday 4/20
    Day
    62°
    Chance of Rain Showers
    Forecast day icon
    Night
    44°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then partly sunny with a slight chance of showers in the afternoon. Highs near 70. East wind 10 to 15 mph becoming south in the afternoon. Gusts to 25 mph.
    Night Details
    Showers. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the lower to mid 40s. Southwest wind 15 to 20 mph becoming south after midnight.
  • Forecast day icon
    Sunday
    Rain Showers
    55°
    Forecast night icon
    Night
    Chance of Rain Showers
    42°
    Sunday 4/21
    Day
    55°
    Rain Showers
    Forecast day icon
    Night
    42°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers likely. Highs in the mid to upper 50s.
    Night Details
    Mostly cloudy. A slight chance of showers in the evening. Lows in the lower 40s.
  • Forecast day icon
    Monday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Monday 4/22
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 60s.
    Night Details
    Partly cloudy. Lows in the lower to mid 40s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Chance of Rain Showers
    47°
    Tuesday 4/23
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers. Lows in the mid to upper 40s.
  • Forecast day icon
    Wednesday
    Chance of Rain Showers
    57°
    Forecast night icon
    Night
    Chance of Rain Showers
    46°
    Wednesday 4/24
    Day
    57°
    Chance of Rain Showers
    Forecast day icon
    Night
    46°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs in the lower to mid 60s.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the upper 40s.
  • Forecast day icon
    Thursday
    Chance of Rain Showers
    57°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Thursday 4/25
    Day
    57°
    Chance of Rain Showers
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of showers. Highs in the upper 50s.
    Night Details
    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 74%. Winds will be 1 mph from the SW.
  • Forecast day icon
    Friday
    30% Chance of Rain
    58°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Friday 4/26
    Day
    58°
    30% Chance of Rain
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 58F. Dew point will be around 45F with an average humidity of 73%. Winds will be 2 mph from the W.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 47F. Dew point will be around 42F with an average humidity of 73%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    58°
    Forecast night icon
    Night
    40% Chance of Rain
    47°
    Saturday 4/27
    Day
    58°
    30% Chance of Rain
    Forecast day icon
    Night
    47°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 58F. Dew point will be around 44F with an average humidity of 72%. Winds will be 3 mph from the SW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 47F. Dew point will be around 42F with an average humidity of 72%. Winds will be 4 mph from the SW.