Autumn officially begins at 4:02 p.m. Friday, but it’s still going feel like summer.

Highest temperatures are expected to be between 10 to 15 degrees above normal.

Temperatures will be in the mid-80s on Saturday. Sunday and Monday will be warmer with temperatures approaching 90 degrees.

The normal maximum temperature for this time of year is 73.5 degrees during the day and 56 during the evening.

Click through to see some ways you can take advantage of this hot first weekend of fall in southwestern Connecticut.

The National Weather Service says “the region will continue to be in between high pressure gradually building from the west and Post Tropical Cyclone Jose, which will slowly weaken as it meanders well to the southeast of Long Island through the weekend.

“The cloud cover and wind will gradually decrease from west to east into the weekend. Today, will be the cloudiest and breeziest day, and all areas should be sunny with light winds on Saturday Sunday.”

For the last two days, southwest Connecticut has had high temperatures that were nearly 10 degrees above normal. That will continue through Monday.

And the long-range forecast from the Climate Prediction Center has above-normal temperatures continuing in Connecticut through most of October.

The forecast

Today: Partly sunny, with a high near 76. North wind 9 to 13 mph.

Tonight: Partly cloudy, with a low around 59. North wind 7 to 10 mph.

Saturday: Sunny, with a high near 84. North wind 5 to 9 mph.

Saturday Night: Mostly clear, with a low around 60. North wind 3 to 6 mph.

Sunday: Sunny, with a high near 87. North wind 3 to 6 mph.

Sunday Night: Mostly clear, with a low around 64.

Monday: Sunny, with a high near 86.