Today is expected to be mostly sunny, but the National Weather Service says there is a slight chance of daytime showers.

The daytime temperature will rise to a high in the upper-70s in southwestern Connecticut, with a northeast wind around 9 mph. Odds of daytime precipitation are about 20 percent, the NWS forecasts.

Tonight is expected to be mostly cloudy, with the temperature dipping to a low in the mid-60s and an east wind 5 to 8 mph becoming calm after midnight.

Tomorrow should be mostly sunny, with a high temperature about 80 degrees. Nighttime will be partly cloudy, with a low temperature in the mid-60s.

On Saturday, there is a 30 percent chance of showers and thunderstorms. Otherwise, skies will be partly sunny, with a high temperature about 80 degrees. There will be patchy fog overnight as skies turn partly cloudy and temperatures register a low in the upper-60s.

The outlook for Sunday, according to the weather service, is cloudy, possible precipitation and temperatures about 80 degrees.