Clear Start to October
Seattle weather in early October 2024 has been characterized by clear skies and crisp autumn air, providing a brief reprieve from the usual rain that defines the Pacific Northwest. Temperatures have started relatively mild, with highs around 58-63°F and lows dipping to 48-50°F, making for comfortable sweater weather. The National Weather Service reports calm conditions with occasional southeast breezes, contributing to a serene autumnal ambiance.
Rainy Pattern to Resume
While the beginning of October has been predominantly dry, Seattle’s notorious rain is expected to return soon. Forecasts predict that scattered showers will begin later in the first week of the month, with a significant chance of rain on Friday, where daytime rain is likely at about 60%. This shift marks the start of Seattle’s typical autumn weather, which features periodic rainstorms and cloudy skies.
Temperature and Humidity Trends
October is a transitional month in Seattle, with average daytime temperatures gradually dropping from around 66°F at the start of the month to about 56°F by the end. Nights are expected to be cool, with lows between 45°F and 50°F. The humidity levels during this period remain high, often hovering around 79%, creating a damp and chilly environment.
Daylight and Sunshine Hours
October brings shorter days to Seattle, with the city losing over 90 minutes of daylight as the month progresses. By the end of the month, the sun sets as early as 5:52 PM. The city sees about 5-6 hours of sunshine daily during October, though many days will be overcast as the month progresses(Weather Atlas).
Outlook for the Rest of the Month
The rest of October promises a mix of sunshine and rain, with occasional clear days perfect for outdoor activities. However, Seattle residents should prepare for increasing precipitation towards the middle and end of the month, with more consistent rain and cloudy skies becoming the norm. Those planning outdoor activities should take advantage of the early, dry days as the likelihood of rain will steadily rise.