10-Day Weather Forecast - Mattawa, WA

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  • 101|74°F
    Very Hot
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    Today

    101°F

    Mostly sunny. High temperature around 101F. Dew point will be around 46F with an average humidity of 22%. Winds will be 5 mph from the N.

    Tonight

    74°F

    Partly cloudy. A chance of showers in the evening. Lows in the mid 60s to lower 70s. North wind 5 to 10 mph. Chance of precipitation 20 percent.

    Hourly details
  • Day

    98°F

    Hot. Partly sunny. A chance of showers in the afternoon. Highs 97 to 101. Northeast wind 5 to 15 mph. Chance of precipitation 20 percent.

    Night

    72°F

    A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s to lower 70s. Northwest wind 5 to 15 mph with gusts up to 20 mph. Chance of precipitation 50 percent. Rainfall amounts less than a tenth of an inch except higher amounts possible in thunderstorms.

    Hourly details
  • Day

    87°F

    Mostly cloudy with a 50 percent chance of showers. Not as hot. Highs in the mid 80s to lower 90s. Southwest wind 5 to 15 mph with gusts up to 20 mph.

    Night

    67°F

    Mostly cloudy with a 50 percent chance of showers. Lows in the lower to mid 60s. West wind 5 to 10 mph with gusts up to 20 mph.

    Hourly details
  • Weekend Weather

  • Day

    92°F

    Partly cloudy with a 20 percent chance of showers. Highs in the mid 80s to lower 90s.

    Night

    66°F

    Mostly clear. Lows in the upper 50s to lower 60s. Highs in the mid to upper 80s.

    Hourly details
  • Day

    90°F

    Mostly clear. Lows in the upper 50s to lower 60s. Highs in the mid to upper 80s.

    Night

    66°F

    Partly cloudy. Lows in the lower 50s to lower 60s. Highs in the lower to mid 80s.

    Hourly details
  • Day

    83°F

    Partly cloudy. Lows in the lower 50s to lower 60s. Highs in the lower to mid 80s.

    Night

    62°F

    Partly cloudy. Lows in the lower 50s to lower 60s. Highs in the lower to mid 80s.

    Hourly details
  • Day

    85°F

    Partly cloudy. Lows in the lower 50s to lower 60s. Highs in the lower to mid 80s.

    Night

    63°F

    Partly cloudy. Lows in the lower 50s to lower 60s. Highs in the lower to mid 80s.

  • Day

    86°F

    Partly cloudy. Lows in the lower 50s to lower 60s. Highs in the lower to mid 80s.

    Night

    66°F

    Partly cloudy. Low temperature around 66F. Dew point will be around 49F with an average humidity of 44%. Winds will be 6 mph from the W.

  • Day

    86°F

    Partly cloudy. High temperature around 86F. Dew point will be around 50F with an average humidity of 38%. Winds will be 5 mph from the W.

    Night

    65°F

    Mostly clear. Low temperature around 65F. Dew point will be around 50F with an average humidity of 47%. Winds will be 6 mph from the W.

  • Day

    86°F

    Partly cloudy. High temperature around 86F. Dew point will be around 50F with an average humidity of 38%. Winds will be 4 mph from the W.

    Night

    67°F

    Partly cloudy. Low temperature around 67F. Dew point will be around 51F with an average humidity of 47%. Winds will be 6 mph from the W.