Temperatures were spot-on average across California this past weekend, but cooler air will arrive this week and create a window for rain as Halloween nears.
On Monday morning, a few showers will fall along the northern Coast range near Eureka and into the Klamath mountains in far Northern California. These showers won’t make their way to Sacramento, but a few passing clouds over the region are expected late morning and early afternoon as the decaying pulse of earlier rain passes. Otherwise, it will be a nice day with high temperatures in the low 70s across the Sacramento Valley, and slightly warmer further south in the San Joaquin Valley.
Mountain temps will remain cool in the 40s and 50s, with more freezing expected overnight.
On Tuesday and Wednesday morning, low temperatures will drop well into the 40s, and they will collide with the dew point and produce patchy fog, especially in areas where it rained more heavily last week and away from urban cores. Sacramento International Airport, and areas towards the foothills such as Roseville or Folsom, will have the highest chances for fog overnight this week…