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:
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Today: Sunny, with a high near 71. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight: Clear, with a low around 45. Northwest wind around 6 mph becoming calm in the evening.
Thursday: Sunny, with a high near 75. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday night: Clear, with a low around 46. Light north northwest wind.
Friday: Sunny, with a high near 76. Calm wind.
Friday night: Mostly clear, with a low around 48.
Saturday: Mostly sunny, with a high near 73.
Saturday night: Partly cloudy, with a low around 46.
Sunday: Mostly sunny, with a high near 70.
Sunday night: Partly cloudy, with a low around 44.
Monday: Mostly sunny, with a high near 70.
Monday night: Partly cloudy, with a low around 42.
Tuesday: Mostly sunny, with a high near 68.