Friday, October 1, 2021

Cooling Trend to Start October

 FastCast—Saturday, Oct. 2 to Wednesday, Oct. 6:

Fall is in the air! Expect a nice fall day on Saturday, with highs in the low-mid 60s and partly cloudy skies. Then, starting Sunday, temperatures steadily decline, with our last 60s for the foreseeable future likely on Monday. Some weak systems will move through from Sunday to Tuesday, bringing up to 0.25” of rain to the interior, most on Tuesday. Expect sunnier & colder conditions by Wednesday, with highs in the mid 50s and lows in the upper 30s to low 40s, our coldest temperatures of the season by far!

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Continue reading the full blog below!

The first day of October is bringing much more fall-like weather, with high temperatures decreasing below 60 degrees by Monday. 

As you would expect, the general trend is for below average temperatures to start October. Below is the NWS Climate Prediction Center outlook for October 7-11.


There is a 60-70% chance of below average temperatures, which is shown in the forecast. The Weather Underground forecast for Federal Way is below.


As I said earlier, a few weak systems will bring light rain to Western Washington from Sunday to Tuesday. Then, temperatures cool down to the mid 50s, with lows dipping to the upper 30s to low 40s, our coolest temperatures since April.

Enjoy the transition to fall! It will be quite noticeable, especially temperature-wise.

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