The National Weather Service notes that October has the largest daytime high temperature drop of any month in Sacramento.
The average high on October 1 is 84 degrees. The average high by Halloween is 71 degrees.
High pressure along the West Coast will bring mainly fair skies today and near normal temperatures, according to the NWS. Weather for trick-or-treaters is expected to be dry as clear skies are predicted for the Sacramento area.
The detailed, 7-day forecast for the Sacramento region from the NWS: