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7 DAY FORECAST
HOURLY
55
Clear
Sunday-
Mostly Clear
59
42
10%
59
42
Mostly Clear
Precipitation10%
Wind3mph NNE
Humidity70%
UVLow
Monday-
Mostly Sunny
66
47
10%
66
47
Mostly Sunny
Precipitation10%
Wind8mph NNE
Humidity50%
UVModerate
Tuesday-
Partly Cloudy
74
50
0%
74
50
Partly Cloudy
Precipitation0%
Wind10mph NNE
Humidity44%
UVModerate
Wednesday-
Mostly Sunny
74
50
0%
74
50
Mostly Sunny
Precipitation0%
Wind11mph N
Humidity52%
UVHigh
Thursday-
Partly Cloudy
73
51
0%
73
51
Partly Cloudy
Precipitation0%
Wind8mph SW
Humidity54%
UVHigh
Friday-
Showers
64
50
50%
64
50
Showers
Precipitation50%
Wind8mph SSW
Humidity77%
UVModerate
Saturday-
Showers
55
47
70%
55
47
Showers
Precipitation70%
Wind10mph S
Humidity80%
UVLow
RIGHT NOW
Precipitation0%
Wind2mph N
Humidity57%
UVLow
Visibility10 miles
51
0%
49
0%
48
0%
47
0%
47
10%
47
10%
47
10%
47
10%
47
10%
47
10%
47
0%
51
0%

Latest Weathercast

WEATHERCAST

Interactive Radar

Radar

Latest Forecast


Updated: Sunday 5:30 p.m.

{REMINDER: As the heat builds this week, please avoid celebrating the sunshine in our area waterways! The lakes are icy cold, and the rivers are running high and fast with freshly melted snow. While air temperatures will be warm, water temperatures are still well below safe or comfortable, and swimming could quickly lead to hypothermia and drowning. Please enjoy the blue sky in other ways this week!}

Goldilocks weather, anyone? After a soggy and damp first three quarters of April, we're heading into the final stretch of the month with a serious dose of spring sunshine. Most of us will hit the 70s day after day this week, so we'll land squarely in that "not too hot, not too cold" comfort zone. Perfect porridge!

We already began our clearing trend on Sunday. The clouds were scrubbed away right on schedule, and thanks to the return of the blue skies, afternoon highs hovered near 60 degrees in the metro area (if you're keeping track, that's about average for this time of year).

We'll keep the sunshine coming this week as a big ridge of high pressure builds in and strengthens over the top of us. This ridge will block any stormy action that's trying to come our way from the Pacific, so skies will stay nearly crystal clear for days on end.

Sunshine is nice, but the temperatures are going to climb quickly, too. To really really ramp up the mercury in these parts, we need a toasty thermal trough, and that's exactly what's going to take shape over the next 48 hours. This extra warm pool of air building up the I-5 corridor will take us close to record territory. We're already seeing highs near record levels in much of California today, and that same warm, dry air is about to march north.

As it arrives on our doorstep, look for highs near 70 on Monday, and then low to middle 70s for most of the work week. The warmest day still looks to be either Wednesday or Thursday, with highs in the upper 70s for Seattle and Tacoma by then. Thanks to the blustery northeasterly winds (watch for some blows between 25 and 40 mph), some locations near the gust-prone foothills like Issaquah and Enumclaw may warm to 80 degrees on Thursday afternoon.

If that's too warm, too fast for you, you'll want to focus on Friday. The heat wave tips over, the clouds rush in, and temperatures will drop a good ten degrees or more by Friday afternoon. Further cooling takes shape on Saturday and Sunday, as showers and clouds rotate back through Western Washington *just* in time for the weekend...

In the meantime, enjoy tomorrow--it will be just right!
Shannon

Meteorologist Shannon O'Donnell
The KOMO4 Forecast Team

SUNRISE
06:07:21 am
SUNSET
08:08:57 pm

Today's Record Temperatures

Record High78
F
Record Low34
F