The cold snap in Tampa Bay is weakening. Here’s what to expect this week.

The weather around Tampa Bay will start to return to normal this week as the arctic weather that brought sub-zero temperatures to the region passes.

Temperatures will hit the high 50s on Monday before dropping back to 39 degrees overnight, according to the National Weather Service. Tuesday will see a high of 70 degrees and a low of 43 degrees.

The forecast shows temperatures rising for the rest of the week, reaching highs of 80 degrees by Friday.

Average temperatures in Tampa Bay typically hover around 63 degrees this time of year, with highs of 72 degrees and lows of 54 degrees, according to the National Weather Service.

The flight recorded a low temperature of 31 degrees at Tampa International Airport on Sunday — the fourth coldest Christmas day on record for Tampa Bay.

Cold weather shelters around Pinellas County will open Monday night — including those in St. Petersburg, Tarpon Springs, Clearwater and Pinellas Park — according to Pinellas Homeless Leadership Coalition.

Hillsborough County officials have established Eight Cold Weather Shelter Sites Near Tampa, Valrico and Plant City.