Freeze warning in effect from 1 a.m. to 9 a.m. for Orange, Putnam and northern Westchester County.

Frost advisory in effect from 1 a.m. to 9 a.m. for Rockland County and southern Westchester County.

OVERNIGHT: Areas of frost, cold, mostly clear skies. Lows in the upper 30s.

MONDAY: Chilly morning with areas of frost until about 9 AM. Then, mostly sunny throughout the day, it will also be cool. Highs in the mid-50s. Lows in the upper 30s near 40 degrees.

TUESDAY: Chilly morning with patchy frost. Skies will be mostly sunny to start with more clouds in the afternoon. It will be another cool day. Highs in the mid-50s. Lows in the low 40s.

WEDNESDAY: Sun and clouds in the skies to start the day, with mostly cloudy skies by the afternoon. It will be another cool day, with winds becoming breezy in the evening. Rain showers may develop late at night. Highs in the upper 50s. Lows in the low 40s.

THURSDAY: Expecting moderate rainfall, especially in the afternoon, and it will be windy. Sustained winds could be from 15-25 MPH with gusts near 40 MPH. Highs in the mid-40s. Lows in the upper 40s.

FRIDAY (Halloween): Rain showers likely, especially early in the day. Winds will begin to weaken, but it will still be breezy. Rain is expected to clear out by the evening. Highs in the mid-50s. Lows in the upper 40s.