Seattle weather: Cooler with more clouds this week

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Seattle weather: Mainly dry for Monday

A nearby disturbance will continue to keep skies cloudy with a stray shower and mountain storm possible on Monday. A few thunderstorms will also be possible in the mountains in the afternoon with some daytime heating.

Temperatures will remain at or below average this week, with a mix of sunshine and clouds, and a few light showers.

Monday will bring morning clouds and afternoon sunshine with high temperatures in the mid 70s for the greater Seattle area. Showers should stay in the Cascades this afternoon.

Western Washington will see a mix of clouds and sunshine Monday with showers in the Cascades. (FOX 13 Seattle)

Rain, thunderstorms in Washington

What we know:

A low pressure system offshore will push inland into Oregon Monday night into Tuesday. This will bring a chance of thunderstorms to the Cascades and a chance of light morning showers to the Puget Sound lowlands.

Light rain showers could hit the south Puget Sound Tuesday morning. (FOX 13 Seattle)

When will it rain in Seattle?

What's next:

Wednesday will remain cool and cloudy with more sunshine in the mix on Thursday and Friday. The next chance for widespread showers hits on Sunday.

80 degree days become a lot less likely this time of year. The average last 80 degree day in Seattle falls in mid-September. There are no 80 degree days expected for at least the next 10 days.

Summer is wrapping up and 80 degree days are becoming a lot less likely in Seattle as we head into mid-September. (FOX 13 Seattle)

It will be cooler and cloudier this week in Seattle. (FOX 13 Seattle)

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The Source: Information in this story comes from weather models interpreted by FOX 13 Seattle Chief Meteorologist Brian MacMillan.

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