With a high of 50 degrees and a low of 36, for an average of 43, it was the coldest at the beginning of October since 1899.
SEATTLE – Tuesday was Seattle’s coldest day in the first two weeks of October in more than 120 years.
With a high of 50 degrees and a low of 36, for an average of 43 degrees, it was the coldest since 1899 in early October, according to the National Weather Service. Seattle had an average temperature of 43.5 degrees that day.
Tuesday marked the first new record low (36 degrees) in October for Seattle in 18 years and the second coldest morning in the first two weeks of the month in 60 years.
RELATED: West Washington Forecast
Early Tuesday easily brought the coldest temperatures of the season to date for much of the Puget Sound region. A frost warning was in place for West Washington until noon. A frost warning was issued for cities east of the cascades.
On the way to Wednesday, a low pressure low over the sky will keep scattered rain showers under partly sunny skies. The cool trough keeps the temperatures below normal for the day. A disturbance in the trough will trigger another round of rain and snow for the mountain passes, snow depth will be near 3,500 feet.
From 6 p.m. onwards, with a high of 50 ° and a low of 36 ° (average temperature 43 °), this is the coldest day in Seattle in the first two weeks of October for over 125 years. The coldest day before, October 14th 1899 with a high of 54 ° and a low of 33 ° (average temperature 43.5 °). #wawx
– NWS Seattle (@NWSSeattle) October 13, 2021