❮
Today Hourly 7 days 30 days September
❯

September 2026 Weather | Marysville, Washington

Today 9/21
Rainy Weather
Day 70°
Night 52°
49
Tue 9/22
Cloudy Weather
Day 68°
Night 52°
2
Wed 9/23
Rainy Weather
Day 66°
Night 45°
84
Thu 9/24
Rainy Weather
Day 61°
Night 48°
88
Fri 9/25
Rainy Weather
Day 63°
Night 45°
85
Sat 9/26
Cloudy Weather
Day 64°
Night 45°
49
Sun 9/27
Cloudy Weather
Day 66°
Night 46°
25
Mon 9/28
Cloudy Weather
Day 66°
Night 50°
2
Tue 9/29
Cloudy Weather
Day 66°
Night 52°
0
Wed 9/30
Cloudy Weather
Day 64°
Night 48°
3

Explore U.S. Weather Trends

❄️ Coldest Cities in the U.S. – Live Temperature Rankings 🔥 Hottest Cities Today – Real-Time Heat Observations ⚠️ Active Weather Alerts – Warnings, Watches & Advisories 🌪️ Windiest Cities – Highest Sustained Wind Speeds 🌫️ Worst Air Quality – Cities with the Highest AQI 🍃 Best Air Quality – Cities with the Lowest AQI