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Today Hourly 7 days 30 days September
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September 2026 Weather | Kennewick, Washington

Tue 9/1
Cloudy Weather
Day 90°
Night 63°
Wed 9/2
Cloudy Weather
Day 88°
Night 63°
Thu 9/3
Sunny Weather
Day 90°
Night 63°
Fri 9/4
Cloudy Weather
Day 90°
Night 63°
Sat 9/5
Cloudy Weather
Day 88°
Night 63°
Sun 9/6
Cloudy Weather
Day 86°
Night 63°
Mon 9/7
Sunny Weather
Day 88°
Night 61°
Tue 9/8
Sunny Weather
Day 88°
Night 61°
Wed 9/9
Cloudy Weather
Day 88°
Night 63°
Thu 9/10
Cloudy Weather
Day 88°
Night 61°
Fri 9/11
Sunny Weather
Day 84°
Night 59°
Sat 9/12
Cloudy Weather
Day 75°
Night 55°
Sun 9/13
Cloudy Weather
Day 84°
Night 61°
Mon 9/14
Cloudy Weather
Day 84°
Night 59°
55
Tue 9/15
Sunny Weather
Day 81°
Night 59°
Wed 9/16
Cloudy Weather
Day 84°
Night 61°
Thu 9/17
Sunny Weather
Day 86°
Night 61°
Fri 9/18
Cloudy Weather
Day 84°
Night 59°
Sat 9/19
Cloudy Weather
Day 84°
Night 61°
Sun 9/20
Sunny Weather
Day 84°
Night 59°
Mon 9/21
Sunny Weather
Day 84°
Night 59°
Tue 9/22
Cloudy Weather
Day 82°
Night 57°
Wed 9/23
Sunny Weather
Day 72°
Night 54°
Thu 9/24
Cloudy Weather
Day 72°
Night 52°
Fri 9/25
Cloudy Weather
Day 70°
Night 45°
Sat 9/26
Sunny Weather
Day 72°
Night 46°
Sun 9/27
Sunny Weather
Day 73°
Night 54°
Mon 9/28
Sunny Weather
Day 81°
Night 45°
Tue 9/29
Sunny Weather
Day 75°
Night 43°
Wed 9/30
Sunny Weather
Day 70°
Night 45°

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