Union, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    60% Chance of Rain
    41°
    Sunday 5/19
    Forecast night icon
    41°
    60% Chance of Rain
    Hourly
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 55%. Low temperature around 41F. Dew point will be around 45F with an average humidity of 72%. Winds will be 2 mph from the W.
  • Forecast day icon
    Monday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Chance of Rain
    44°
    Monday 5/20
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    44°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 50s to mid 60s. Light wind becoming southwest to 10 mph in the afternoon.
    Night Details
    Mostly cloudy until early morning then a chance of rain in the morning. Lows in the 40s. Southwest wind to 10 mph becoming south after midnight.
  • Forecast day icon
    Tuesday
    Rain
    55°
    Forecast night icon
    Night
    Chance of Rain Showers
    43°
    Tuesday 5/21
    Day
    55°
    Rain
    Forecast day icon
    Night
    43°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain at times. Rainfall amounts a quarter to a half inch possible. Highs in the mid 50s to lower 60s. South wind to 10 mph.
    Night Details
    Mostly cloudy with showers likely in the evening then mostly cloudy with a chance of showers after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the 40s. Southwest wind 10 to 15 mph.
  • Forecast day icon
    Wednesday
    Chance of Rain Showers
    58°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Wednesday 5/22
    Day
    58°
    Chance of Rain Showers
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the morning then a slight chance of showers in the afternoon. Highs in the mid 50s to lower 60s. Southwest wind to 10 mph in the morning becoming light.
    Night Details
    Partly cloudy. Lows in the lower to mid 40s.
  • Forecast day icon
    Thursday
    Partly Sunny
    65°
    Forecast night icon
    Night
    Chance of Rain Showers
    46°
    Thursday 5/23
    Day
    65°
    Partly Sunny
    Forecast day icon
    Night
    46°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 60s.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the mid to upper 40s.
  • Forecast day icon
    Friday
    Chance of Rain Showers
    62°
    Forecast night icon
    Night
    Chance of Rain Showers
    43°
    Friday 5/24
    Day
    62°
    Chance of Rain Showers
    Forecast day icon
    Night
    43°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers. Highs in the lower 60s.
    Night Details
    Mostly cloudy. A chance of showers in the evening then a slight chance of showers after midnight. Lows in the lower to mid 40s.
  • Forecast day icon
    Saturday
    Chance of Rain Showers
    59°
    Forecast night icon
    Night
    Chance of Rain Showers
    43°
    Saturday 5/25
    Day
    59°
    Chance of Rain Showers
    Forecast day icon
    Night
    43°
    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 near 60.
    Night Details
    Mostly cloudy with a slight chance of showers. Lows in the lower to mid 40s.
  • Forecast day icon
    Sunday
    Chance of Rain Showers
    61°
    Forecast night icon
    Night
    30% Chance of Rain
    45°
    Sunday 5/26
    Day
    61°
    Chance of Rain Showers
    Forecast day icon
    Night
    45°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs in the lower 60s.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 48F with an average humidity of 91%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Monday
    30% Chance of Rain
    66°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Monday 5/27
    Day
    66°
    30% Chance of Rain
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 66F. Dew point will be around 51F with an average humidity of 74%. Winds will be 2 mph from the SW.
    Night Details
    Mostly clear. Low temperature around 47F. Dew point will be around 48F with an average humidity of 84%. Winds will be 2 mph from the W.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    70°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Tuesday 5/28
    Day
    70°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 70F. Dew point will be around 53F with an average humidity of 69%. Winds will be 1 mph from the SW.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 50F with an average humidity of 83%. Winds will be 2 mph from the SW.