Maricopa temperatures are expected to cool this week. Photo by Jim Headley

Just when it was starting to remain a little warmer overnight, lows this week will again fall dangerously near the freezing mark, according to the National Weather Service. On the upside, highs will remain nicely in the 60s all week.

Today (Martin Luther King Jr. Day) is sunny with a high near 65. A south wind 5 to 10 mph will become west 15 to 20 mph in the morning. Winds could gust as high as 25 mph. Tonight will be clear with a low around 36. West wind 5 to 10 mph.

Tuesday is forecast to be sunny with a high near 62. At night, expect clear skies with a low around 34.

Wednesday is also expected to be sunny with a high near 63. Wednesday night will remain clear with a low around 34.

Thursday is likely to be sunny, with a high near 68. Thursday night will be mostly clear, with a low around 36.

Friday look for partly sunny skies, with a high near 69. Friday night will be partly cloudy with a low around 37.