Union, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Sunny
    74°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Thursday 5/9
    Day
    74°
    Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the 70s to lower 80s. Northeast wind 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the upper 40s to mid 50s. Northeast wind 10 to 15 mph becoming north after midnight.
  • Forecast day icon
    Friday
    Sunny
    84°
    Forecast night icon
    Night
    Clear
    52°
    Friday 5/10
    Day
    84°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s to lower 80s. North wind to 10 mph becoming northeast in the afternoon.
    Night Details
    Clear. Lows in the 50s. Northeast wind to 10 mph in the evening becoming light.
  • Forecast day icon
    Saturday
    Sunny
    85°
    Forecast night icon
    Night
    Clear
    49°
    Saturday 5/11
    Day
    85°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s to lower 80s. Light wind becoming southwest to 10 mph in the afternoon.
    Night Details
    Clear. Lows in the mid 40s to lower 50s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Sunday 5/12
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the mid 40s to lower 50s.
  • Forecast day icon
    Monday
    Partly Sunny
    64°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Monday 5/13
    Day
    64°
    Partly Sunny
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid to upper 60s.
    Night Details
    Partly cloudy. Lows in the 40s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Chance of Rain Showers
    47°
    Tuesday 5/14
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid to upper 60s.
    Night Details
    Partly cloudy with a slight chance of showers. Lows in the mid to upper 40s.
  • Forecast day icon
    Wednesday
    Chance of Rain Showers
    76°
    Forecast night icon
    Night
    Mostly Clear
    43°
    Wednesday 5/15
    Day
    76°
    Chance of Rain Showers
    Forecast day icon
    Night
    43°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly sunny with a slight chance of showers. Highs near 70.
    Night Details
    Mostly clear. Low temperature around 43F. Dew point will be around 47F with an average humidity of 80%. Winds will be 1 mph from the SW.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    67°
    Forecast night icon
    Night
    Clear
    42°
    Thursday 5/16
    Day
    67°
    30% Chance of Rain
    Forecast day icon
    Night
    42°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 67F. Dew point will be around 51F with an average humidity of 78%. Winds will be 3 mph from the W.
    Night Details
    Clear. Low temperature around 42F. Dew point will be around 45F with an average humidity of 85%. Winds will be 1 mph from the W.
  • Forecast day icon
    Friday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Friday 5/17
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 69F. Dew point will be around 50F with an average humidity of 70%. Winds will be 1 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 44F. Dew point will be around 46F with an average humidity of 81%. Winds will be 1 mph from the W.
  • Forecast day icon
    Saturday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Saturday 5/18
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 69F. Dew point will be around 51F with an average humidity of 71%. Winds will be 1 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 45F. Dew point will be around 48F with an average humidity of 83%. Winds will be 1 mph from the W.