It will be a sunny but very cold day in southwestern Connecticut today, according to the National Weather Service.

The daytime high temperature will reach only into the mid-20s, and a north wind between 14 and 16 mph will make it feel even colder.

Tonight will be mostly clear, with the temperature tumbling to a low around 10 degrees. The north wind will calm to between 3 and 10 mph, the NWS says.

The Martin Luther King Jr. Day holiday tomorrow will be mostly sunny and warmer, with a high near 34 degrees. Tomorrow night there is a slight chance of snow before 11 p.m., then changing to a mix of rain and snow. Skies will be cloudy, with a low around 34 degrees.

On Tuesday, rain is likely as the warming trend continues -- temperatures should rise to the upper-40s. There remains a chance of rain Tuesday night, with cloudy skies and temperatures in the low-30s.

Wednesday should be mostly sunny, the weather service predicts, with a high temperature near 36 degrees.