10-Day Weather Forecast - Union, WA

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  • |41°F
    Rain
    Arrow up

    Tonight

    41°F

    Rain. Rainfall amounts a half inch to one inch possible. Lows in the upper 30s to mid 40s. South wind around 10 mph. Gusts to 20 mph in the evening.

    Hourly details
  • Day

    44°F

    Rain at times in the morning. A slight chance of snow through the day. Rain likely in the afternoon. No snow accumulation. Highs in the mid to upper 40s. South wind around 10 mph becoming southwest in the afternoon.

    Night

    37°F

    Mostly cloudy. A chance of rain. A chance of snow late in the evening. Patchy fog late in the evening. Lows in the 30s. Light wind.

    Hourly details
  • Day

    43°F

    Mostly cloudy with a chance of rain in the morning then mostly cloudy with rain likely in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the mid to upper 40s. Light wind.

    Night

    32°F

    Mostly cloudy with rain likely in the evening then mostly cloudy with a chance of rain and snow after midnight. Lows in the lower to mid 30s. East wind to 10 mph becoming southwest around 10 mph after midnight.

    Hourly details
  • Day

    45°F

    Mostly cloudy with a chance of rain and snow in the morning then mostly cloudy with rain likely in the afternoon. Highs in the upper 40s.

    Night

    38°F

    Rain likely. Lows in the mid to upper 30s.

    Hourly details
  • Day

    46°F

    Rain and snow likely in the morning then rain at times in the afternoon. Highs in the upper 40s.

    Night

    38°F

    Rain at times in the evening then rain and snow likely after midnight. Lows in the lower to mid 30s.

    Hourly details
  • Day

    45°F

    Rain and snow likely. Highs in the mid to upper 40s.

    Night

    35°F

    Mostly cloudy. A chance of rain and snow in the evening then a slight chance of rain and snow after midnight. Snow level near 1500 feet decreasing to 1000 feet after midnight. Lows in the lower 30s.

    Hourly details
  • Weekend Weather

  • Day

    42°F

    Partly sunny with a slight chance of rain and snow. Snow level near 1000 feet. Highs in the mid 40s.

    Night

    31°F

    Mostly cloudy in the evening then becoming partly cloudy. A slight chance of rain and snow. Snow level near 1000 feet. Lows near 30.

    Hourly details
  • Day

    43°F

    Mostly sunny with a slight chance of rain and snow. Snow level near 1000 feet increasing to 1500 feet in the afternoon. Highs in the upper 40s.

    Night

    31°F

    Mostly clear. Low temperature around 31F. Dew point will be around 28F with an average humidity of 83%. Winds will be 3 mph from the W.

  • Day

    43°F

    Partly cloudy. High temperature around 43F. Dew point will be around 31F with an average humidity of 71%. Winds will be 2 mph from the SW.

    Night

    32°F

    Partly cloudy. Low temperature around 32F. Dew point will be around 29F with an average humidity of 80%. Winds will be 2 mph from the W.

  • Day

    46°F

    Partly cloudy. High temperature around 46F. Dew point will be around 34F with an average humidity of 73%. Winds will be 2 mph from the S.

    Night

    37°F

    Partly cloudy. Low temperature around 36F. Dew point will be around 33F with an average humidity of 81%. Winds will be 2 mph from the SW.