Sunshine will get the day started across Long Island, but don’t get too used to it. Clouds will steadily increase through the morning and by the afternoon we’ll be under mostly cloudy skies.

Temperatures will climb to around 43 degrees, so it stays on the cool side for mid-March. If you’re heading out early you’ll see the brighter skies, but expect a grayer look as the day goes on.

Tonight stays cloudy with a few rain and snow showers. It will also turn breezy and colder overnight, with temperatures settling near 37 degrees. The breeze may make it feel a bit chillier, so you’ll want the jacket if you’re out during the evening hours.

Looking ahead to the weekend, Saturday will bring a mix of sun and clouds with gusty winds that could reach around 35 miles per hour. High temperatures will climb to near 48 degrees. Sunday turns cloudier again with highs staying in the 40s. Then all eyes turn to Monday when stormy weather moves in, bringing rain, the chance for thunderstorms and strong gusty winds, with temperatures climbing into the 50s.

Today: Morning sunshine gives way to afternoon clouds. High near 43. Breezy. Wind chill values between 20 and 30 early. Winds South to Southwest 10 to 20 mph.

Tonight: A few rain showers, possible mixing with snow. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. South wind 15 to 30 mph.

Saturday: Sun and Clouds. Windy. Westerly winds 15 to 35 mph. Highs near 48. The wind will make it feel a little chilly.

Saturday Night: Increasing clouds, with a low around 31. Northwest wind 5 to 15 mph.

Sunday: Mostly cloudy, with a high near 47. Northeast wind 10 to 15 mph becoming southeast in the afternoon.

Sunday Night: Cloudy, showers developing overnight. Low around 40.

Monday: Tracking a storm. Cloudy skies. Gusty winds. Periods of rain. Some scattered thunderstorms. Highs near 55. Wind gusts 25 to 45 mph. Some rain will be heavy at times.

Monday Night: Cloudy with periods of Rain. Some rain will be heavy at times. Low around 37. Windy. Chance of precipitation is 90%.

Tuesday: SAINT PATRICK'S DAY. A few early morning showers. Afternoon Sunshine with gusty winds. High near 43.