Wetter & Cooler Pattern Ahead

 FastCast—Monday, Oct. 4 to Monday, Oct. 11:

The next system will move in on Tuesday, bringing up to 0.5" of rain and breezy winds during the day. Spotty showers continue into Wednesday, then we dry out. Thursday brings some drier weather. Showers and occasional rain return by Friday, with up to 0.75” of rain from Friday to next Monday. Expect highs in the 50s, and lows (coldest of the season) in the upper 30s to upper 40s.

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After a dry start to October, the next system is moving in. Expect rain to begin by daybreak Tuesday, continuing through afternoon/evening. Totals through Wednesday morning from the UW model are below.

Expect 0.3-0.5” from Seattle southward, with isolated totals up to 0.75” between Tacoma and Olympia. Expect up to 1.25” on the coast and in the mountains, and less than 0.3” from Everett northward.

Breezy to locally windy conditions are also possible with Tuesday’s system. Gusts up to 25-35 mph are possible in the interior, with higher gusts north of Everett and on the coast.

It is also getting colder, as seen in the Weather Underground forecast below for Federal Way.

Expect highs mainly in the upper 50s, except in the low 50s on Friday. Lows will be in the low-mid 40s, except the upper 40s to low 50s on Saturday night. Some morning lows in the upper 30s are possible in outlying areas on Thursday and Friday mornings.

More rain is expected to arrive by the weekend, along with continued cool temperatures. The October 10-14 temperature outlook from the NWS Climate Prediction Center shows a 70-80% chance of below average temperatures.

Average highs this time of year are in the upper 50s. Extended forecasts show highs in the low 50s, definitely cooler than normal. Fall is in the air!