Block Island, RI Weather Tomorrow

Check tomorrow's weather in Block Island with a detailed 5 day forecast covering daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Block Island area.
Updated: Sun Oct 11th 2026 7:15 PM EDT
Block Island, RI Weather – 10-11 – Overcast
61° / 58°
Overcast
In Block Island, it will be overcast with highs near 61°F and lows around 58°F. The chance of rain is 82% with an estimated 0.55in. Winds will be strong at speeds peaking at 32mph and gusts of 37.8mph at 11 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 91% at 8 PM and 88% being its lowest at 9 PM. Barometric pressure is its highest of 30.07inHg at 8 PM, a lowest point of 29.91inHg at 11 PM with an avg 30inHg.
Block Island, RI Weather – 10-12 – Scattered Showers
65° / 57°

Weather Tomorrow

Scattered Showers
In Block Island, passing showers are likely with a high near 65°F and a low around 57°F. The chance of rain is 84% with an estimated 0.39in. Winds will be strong at speeds peaking at 29mph and gusts of 35.6mph at 5 AM. High humidity with average of 87% is anticipated, the maximum being 96% at 6 AM and 78% being its lowest at 5 PM. Barometric pressure is its highest of 29.88inHg at 11 PM, a lowest point of 29.73inHg at 7 AM with an avg 29.78inHg.
Block Island, RI Weather – 10-13 – Scattered Showers
65° / 59°
Scattered Showers
In Block Island, showers likely at times with highs near 65°F and lows around 59°F. Rainfall predicted to have a 57% chance with an estimated 0.03in. Winds will be strong at speeds peaking at 25mph and gusts of 37.4mph at 11 PM. High humidity with average of 87% is anticipated, the maximum being 91% at 6 PM and 84% being its lowest at 1 AM. Barometric pressure is its highest of 30.04inHg at 11 AM, a lowest point of 29.89inHg at 1 AM with an avg 29.96inHg.
Block Island, RI Weather – 10-14 – Sunny
68° / 64°
Sunny
In Block Island, it will be sunny with highs near 68°F and lows around 64°F. Rainfall predicted to have a 64% chance with an estimated 0.06in. Winds will be strong at speeds peaking at 26mph and gusts of 39.6mph at 3 AM. High humidity with average of 87% is anticipated, the maximum being 93% at 6 AM and 78% being its lowest at 11 PM. Barometric pressure is its highest of 29.92inHg at 11 PM, a lowest point of 29.81inHg at 3 PM with an avg 29.85inHg.
Block Island, RI Weather – 10-15 – Sunny
63° / 57°
Sunny
Block Island may see a sunny day, with daytime highs of 63°F and overnight lows near 57°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 17mph on average and gusts of 25.3mph at 7 AM. The humidity will be on the higher side, averaging about 62%, the maximum being 78% at 2 AM and 46% being its lowest at 4 PM. Barometric pressure is its highest of 30.19inHg at 9 PM, a lowest point of 29.92inHg at 12 AM with an avg 30.08inHg.
Block Island, RI Weather – 10-16 – Overcast
65° / 55°
Overcast
Daytime highs will reach 65°F with lows dropping to 55°F in Block Island, where it will be overcast. The chance of rain is 82% with an estimated 0.21in. Winds will be strong at speeds peaking at 31mph and gusts of 44.1mph at 5 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 98% at 2 PM and 61% being its lowest at 12 AM. Barometric pressure is its highest of 30.18inHg at 12 AM, a lowest point of 29.54inHg at 5 PM with an avg 29.82inHg.

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