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Rhode Island Weather for September 13, 2026
September 13, 2026/
Rhode Island forecast – wet, humid day with a Flood Watch in effect. Steady showers and thunderstorms are expected, with locally heavy rainfall possible (1–2 inches in spots). Temperatures stay mild in the low-to-mid 70s.
Morning – Rain and patchy fog. Temps around 66–68°F, very humid (90%+), southeast winds 6–8 mph. High rain chance (80–90%+). Expect wet roads and reduced visibility.
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Afternoon – Heavy rain and possible thunderstorms. High near 71–74°F, still humid. Southeast winds around 7 mph. Near-100% chance of rain; some storms could produce downpours. Stay indoors if possible.
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Evening – Rain tapers off; mostly cloudy with leftover showers possible early. Temps in the upper 60s to around 70°F. Winds shift northwest ~5–7 mph. Humidity remains high; fog possible later. Rain chance drops to ~20–25%.
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Overall letter grade: D+
Mild temperatures, but persistent rain, humidity, thunderstorms, and flood risk make it a poor day for most outdoor plans. Indoor activities or a good book recommended.
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