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Rhode Island Weather for May 18, 2026
May 18, 2026/
On Monday, May 18, 2026, Rhode Island is forecast to see a pleasant cool down from yesterday’s heat, with highs in the mid-to-upper 70s°F and lows around 58-62°F overnight.
Morning: Temperatures start in the upper 50s to low 60s°F under mostly sunny to partly cloudy skies. Winds turn southeast or south around 5-10 mph, keeping things comfortable and dry as the day begins. Low precipitation risk.
Afternoon: Highs reach the mid-to-upper 70s°F (around 75-78°F) with mostly sunny conditions and light to moderate winds. It will feel noticeably cooler and less humid than Sunday — ideal for outdoor activities without the intense heat.
Evening: Temps drop into the low-to-mid 60s°F as the sun sets around 8 PM. Skies remain mostly clear to partly cloudy with light winds. Dry and mild, making for a nice evening wrap-up.
Overall letter grade: A-
A solid, comfortable spring day with plenty of sunshine and no real rain threats — great for getting outside after the weekend warmth. Slight deduction only for the noticeable drop from yesterday’s highs, but that’s a welcome break for many. Forecasts can still shift, so check a local source closer to the day.
Posted in Weather