| NWS Forecast for: Kennewick WA Issued by: National Weather Service Pendleton, OR Last Update: 6:21 am PDT Sep 5, 2026 |  |
| Today: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 74. Calm wind becoming north around 5 mph. Tonight: A slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 20%. Sunday: A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 73. Calm wind becoming west around 6 mph in the afternoon. Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 57. Southwest wind around 6 mph. Labor Day: A 30 percent chance of showers before 11am. Partly sunny, with a high near 77. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Monday Night: Mostly clear, with a low around 54. Tuesday: Sunny, with a high near 81. Tuesday Night: Mostly clear, with a low around 57. Wednesday: Sunny, with a high near 86. Wednesday Night: Mostly clear, with a low around 60. Thursday: Mostly sunny, with a high near 88. Thursday Night: Partly cloudy, with a low around 61. Friday: Mostly sunny, with a high near 83. | |
| Kennewick WA 46.22°N 119.16°W (Elev. 446 ft) | |
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