Block Island, RI Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Aug 3 		Rain/Wind
Close Hourly 		75º / 65º 100% SSW 22 mph 90%
1pm Showers/Wind 75º 50% SSW 21 mph 88%
2pm Rain/Wind 76º 92% SSW 20 mph 88%
3pm Rain/Wind 74º 100% SSW 21 mph 90%
4pm Rain/Wind 74º 100% SSW 22 mph 89%
5pm Cloudy/Wind 74º 24% SSW 20 mph 92%
6pm Cloudy/Wind 74º 15% SW 21 mph 90%
7pm Cloudy 73º 12% SW 18 mph 93%
8pm Mostly Cloudy 73º 16% WSW 17 mph 92%
9pm Mostly Cloudy 72º 20% WSW 15 mph 94%
10pm Partly Cloudy 71º 7% WSW 13 mph 94%
11pm Partly Cloudy 71º 6% W 12 mph 90%
Tue
Aug 4 		Partly Cloudy
View Hourly 		79º / 65º 6% WSW 8 mph 67%
12am Partly Cloudy 70º 6% WNW 11 mph 89%
1am Partly Cloudy 69º 5% WNW 10 mph 86%
2am Partly Cloudy 69º 6% NW 9 mph 84%
3am Partly Cloudy 68º 6% NW 8 mph 85%
4am Partly Cloudy 67º 6% NW 7 mph 86%
5am Partly Cloudy 66º 6% NW 6 mph 87%
6am Mostly Cloudy 66º 6% NW 6 mph 88%
7am Mostly Cloudy 68º 6% NW 6 mph 84%
8am Partly Cloudy 69º 6% NW 5 mph 80%
9am Partly Cloudy 71º 5% NW 5 mph 76%
10am Partly Cloudy 73º 4% NW 5 mph 70%
11am Partly Cloudy 75º 3% W 5 mph 64%
12pm Partly Cloudy 77º 3% WSW 6 mph 62%
1pm Mostly Sunny 77º 3% SW 6 mph 60%
2pm Partly Cloudy 78º 3% SSW 7 mph 60%
3pm Partly Cloudy 78º 3% SSW 8 mph 59%
4pm Mostly Sunny 77º 3% SSW 8 mph 62%
5pm Partly Cloudy 76º 2% SSW 8 mph 64%
6pm Partly Cloudy 75º 3% SSW 7 mph 67%
7pm Partly Cloudy 73º 4% SSW 6 mph 74%
8pm Partly Cloudy 71º 5% SSW 6 mph 79%
9pm Mostly Cloudy 70º 6% SSW 5 mph 83%
10pm Mostly Cloudy 69º 7% SSW 4 mph 86%
11pm Mostly Cloudy 68º 7% SW 3 mph 90%
Wed
Aug 5 		Partly Cloudy
View Hourly 		77º / 70º 15% SSW 8 mph 81%
12am Partly Cloudy 68º 7% SW 3 mph 92%
1am Partly Cloudy 68º 8% SW 2 mph 93%
2am Partly Cloudy 68º 11% WSW 2 mph 94%
3am Partly Cloudy 67º 13% W 2 mph 95%
4am Partly Cloudy 67º 11% WNW 3 mph 97%
5am Mostly Cloudy 66º 8% WNW 2 mph 97%
6am Partly Cloudy 66º 8% W 3 mph 98%
7am Partly Cloudy 68º 8% W 3 mph 94%
8am Mostly Cloudy 71º 8% W 2 mph 88%
9am Mostly Cloudy 72º 8% SW 3 mph 84%
10am Mostly Cloudy 73º 8% SSW 4 mph 80%
11am Partly Cloudy 75º 6% SSW 5 mph 77%
12pm Mostly Cloudy 75º 6% S 6 mph 76%
Thu
Aug 6 		Partly Cloudy 79º / 71º 22% SW 14 mph 85%
Fri
Aug 7 		Partly Cloudy 79º / 70º 20% SW 15 mph 84%
Sat
Aug 8 		PM Thunderstorms 79º / 70º 39% SW 14 mph 81%
Sun
Aug 9 		Partly Cloudy 78º / 70º 24% SW 14 mph 79%
Mon
Aug 10 		Partly Cloudy 78º / 70º 24% SW 16 mph 82%

Weather Radar for Block Island, RI See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Block Island, RI

Today
High : 74ºF
SSW wind around 22 kt, with gusts as high as 31 kt. Showers and possibly a thunderstorm. Patchy fog. Seas 5 to 6 ft.
Tonight
Low : 67ºF
SW wind 15 to 20 kt becoming NW 9 to 12 kt in the evening. Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am. Seas 5 to 6 ft.
Tuesday
High : 74ºF
WNW wind 6 to 9 kt becoming SW in the afternoon. Mostly sunny. Seas 3 to 4 ft.
Tuesday Night
Low : 67ºF
SSW wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas around 3 ft.
Wednesday
High : 74ºF
Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. A chance of showers, mainly before 1pm. Seas around 2 ft.
Wednesday Night
Low : 69ºF
SW wind around 8 kt. A slight chance of showers after 2am. Seas around 3 ft.
Thursday
High : 75ºF
SW wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Seas around 3 ft.
Thursday Night
Low : 70ºF
SW wind 11 to 13 kt. Mostly clear. Seas around 3 ft.
Friday
High : 76ºF
SW wind 10 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas around 3 ft.

NOAA Buoy Data Near Block Island, RI See Map

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    East Hampton Harbormaster

    Wind Speed Forecast for Block Island, RI

    MondayTuesdayWednesday
    Wind Speed (MPH) 2120151065685223
    5pm9pm1am5am9am1pm5pm9pm1am5am9am1pm
    MPH 2120151065685223
    DIR SSWSSWWSWWNWNWNWSWSSWSSWSWWNWSW

    Current Weather Conditions In Block Island, RI

    As Of: 20 minutes ago

    • 75ºF
    • 75ºF
    • 21mph
    • 0º (SSW)
    • 32mph
    • Showers/Wind
    • 4mi
    • 29.79"
    • 88%
    • 0ºF

    The weather right now in Block Island, RI is Showers/Wind. The current temperature is 75°F, and the expected high and low for today, Monday, August 3, 2026, are 75° high temperature and 65°F low temperature. The wind is currently blowing at 21 miles per hour, and coming from the South Southwest. The wind is gusting to 32 mph. With the wind and the atmosphere the temperature feels like 75° Fahrenheit. Expected precipitation is 50 percent, with current humidity at 88 percent, and air pressure at 29.79 in. Visibility is 4 nautical miles. There are 3 current weather alert(s).

    Weather Alerts
    Flash Flood Warning - 11:23am Mon Aug 3 2026

    The National Weather Service in Norton has extended the

    * Flash Flood Warning for...
    West Central Bristol County in southeastern Massachusetts...
    Northwestern Bristol County in Rhode Island...
    Kent County in Rhode Island...
    Providence County in Rhode Island...
    Northeastern Washington County in Rhode Island...

    * Until 145 PM EDT.

    * At 1123 AM EDT, Doppler radar indicated thunderstorms producing
    heavy rain across the warned area. Between 1 and 3 inches of rain
    have fallen. The expected rainfall rate is 1 to 2 inches in 1
    hour. Additional rainfall amounts of 1 to 2 inches are possible in
    the warned area. Flash flooding is ongoing or expected to begin
    shortly.

    HAZARD...Flash flooding caused by thunderstorms.

    SOURCE...Radar.

    IMPACT...Flash flooding of small creeks and streams, urban
    areas, highways, streets and underpasses as well as
    other poor drainage and low-lying areas.

    * Some locations that will experience flash flooding include...
    Providence, Warwick, Cranston, Pawtucket, Taunton, East
    Providence, Woonsocket, Coventry, Cumberland, North Providence,
    West Warwick, Johnston, North Attleborough, North Kingstown,
    Attleboro, Smithfield, Lincoln, Central Falls, Norton and
    Bellingham.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Turn around, don't drown when encountering flooded roads. Most flood
    deaths occur in vehicles.

    Be aware of your surroundings and do not drive on flooded roads.

    &&

    FLASH FLOOD...RADAR INDICATED; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

    Small Craft Advisory - 1:20am Mon Aug 3 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 2 PM EDT TUESDAY...

    WHAT: Southwest winds 15 to 25 kt with gusts up to 30 kt and
    seas 4 to 7 feet expected.

    WHERE: Rhode Island Sound and Block Island Sound.

    WHEN: From 5 AM early this morning to 2 PM EDT Tuesday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&

    High Surf Advisory - 1:19am Mon Aug 3 2026

    ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 9 PM EDT THIS EVENING...

    WHAT: Large breaking waves of 5 to 8 feet expected in the
    surf zone.

    WHERE: Washington, Dukes MA, Nantucket MA, and Newport RI
    Counties.

    WHEN: From 7 AM this morning to 9 PM EDT this evening.

    IMPACTS: Dangerous swimming and surfing conditions and
    localized beach erosion.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced swimmers should remain out of the water due to
    dangerous surf conditions.

    &&