By Gordon McCraw, Meteorologist for the Tillamook County Pioneer
Well, the heat wave has come to an end, for the coast anyway. The high temperature today was obviously cooler than the previous two days but if you headed east, you found they were still in the 90s. The temperatures yesterday actually set some records over in the valley. Eugene reached 99, which beat their previous record set in 1960 of 97. Portland got up to 98 which beat the 96 set in 2015, and Troutdale made it to 98 beating the 97 set in 2015 also. Up in Washington, Vancouver’s high yesterday was 96, topping their 2015 record of 95.
With the increasing onshore flow, temperatures were a little cooler today, up in the mid 60s. Tonight, the marine clouds will return, the winds again diminish, and we see some patchy fog, the low drops to near 52.
Tomorrow an upper level weak trough of low pressure develops to the west, over the ocean, which causes the clouds to hang around a little longer though we do get some clearing in the afternoon, winds becoming northwesterly 5-10, highs near 63. Back come the clouds and patchy fog tomorrow night, and the winds die off, and the chance of patchy morning fog returns, lows near 51.
It looks like the upper level trough of low pressure will remain offshore so we see little real change in the weather over the weekend though we do see a weak ridge jetting through Sunday that helps to warm things up just a little. This all gives us a forecast for Saturday of mostly cloudy skies, winds becoming westerly 5-10 and the high up near 64, then Sunday we see more clearing and the high makes it to 67, nighttime lows near 50.
The trough looks to start a slow track eastward next week but the only change we see is a slight warming of the temperature into midweek. So, we can expect partly to mostly sunny days, the high Monday near 66, then 67 Tuesday and up to 68 Wednesday, then the marine clouds push in at night, maybe not as far Tuesday and Wednesday, and there is still that chance of patchy early morning fog, lows near 51.