Weather Forecast for Martha's Vineyard
Massachusetts, United States of America
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Current Weather - Martha's Vineyard: 24°C
Current Weather - Martha's Vineyard: 24°C
Massachusetts, United States of America
Sunny
Feels like 25°C
Wind
13 km/h SW
Humidity
77%
Pressure
1013 mb
UV Index
2
Visibility
10 km
Sunny
Friday, July 31, 2026
High
26°C
Low
17°C
Rain Chance
64%
Hourly Forecast
20°C
Day Statistics
Maximum Wind
21 km/h
Humidity
84%
Precipitation
2 mm
UV Index
8
Visibility
10 km
Rain Chance
64%
Snow Chance
0%
Sun & Moon
Sunrise
05:36 AM
Sunset
08:00 PM
Moonrise
09:10 PM
Moonset
07:42 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Air Quality
PM2.5
10.8
μg/m³
PM10
13.3
μg/m³
NO₂
4.4
μg/m³
O₃
105.9
μg/m³
SO₂
0.7
μg/m³
CO
131.5
μg/m³
Sunny
Saturday, August 01, 2026
High
23°C
Low
19°C
Rain Chance
12%
Hourly Forecast
20°C
20°C
19°C
19°C
19°C
19°C
19°C
22°C
22°C
22°C
22°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
22°C
22°C
22°C
22°C
22°C
Day Statistics
Maximum Wind
25 km/h
Humidity
85%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
12%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
07:59 PM
Moonrise
09:29 PM
Moonset
08:43 AM
Moon Phase
Waning Gibbous
Moon Illumination
83%
Air Quality
PM2.5
18.4
μg/m³
PM10
24.6
μg/m³
NO₂
1.6
μg/m³
O₃
124.3
μg/m³
SO₂
0.9
μg/m³
CO
116.7
μg/m³
Partly Cloudy
Sunday, August 02, 2026
High
23°C
Low
21°C
Rain Chance
14%
Hourly Forecast
22°C
21°C
21°C
21°C
21°C
21°C
21°C
22°C
22°C
22°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
22°C
23°C
23°C
Day Statistics
Maximum Wind
21 km/h
Humidity
87%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
14%
Snow Chance
0%
Sun & Moon
Sunrise
05:38 AM
Sunset
07:58 PM
Moonrise
09:48 PM
Moonset
09:44 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
Air Quality
PM2.5
11.1
μg/m³
PM10
17.8
μg/m³
NO₂
0.7
μg/m³
O₃
77.5
μg/m³
SO₂
0.6
μg/m³
CO
107.3
μg/m³
Light rain shower
Monday, August 03, 2026
High
23°C
Low
22°C
Rain Chance
89%
Hourly Forecast
23°C
23°C
22°C
22°C
22°C
22°C
22°C
22°C
22°C
22°C
22°C
22°C
22°C
22°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
Day Statistics
Maximum Wind
31 km/h
Humidity
95%
Precipitation
10 mm
UV Index
6
Visibility
10 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:39 AM
Sunset
07:57 PM
Moonrise
10:09 PM
Moonset
10:47 AM
Moon Phase
Last Quarter
Moon Illumination
65%
Air Quality
PM2.5
10.9
μg/m³
PM10
18.9
μg/m³
NO₂
0.4
μg/m³
O₃
54.8
μg/m³
SO₂
0.2
μg/m³
CO
100.5
μg/m³
Partly Cloudy
Tuesday, August 04, 2026
High
23°C
Low
22°C
Rain Chance
75%
Hourly Forecast
23°C
23°C
22°C
22°C
22°C
22°C
22°C
22°C
22°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
Day Statistics
Maximum Wind
25 km/h
Humidity
92%
Precipitation
3 mm
UV Index
7
Visibility
10 km
Rain Chance
75%
Snow Chance
0%
Sun & Moon
Sunrise
05:40 AM
Sunset
07:56 PM
Moonrise
10:31 PM
Moonset
11:51 AM
Moon Phase
Last Quarter
Moon Illumination
55%
Air Quality
PM2.5
8.3
μg/m³
PM10
14.5
μg/m³
NO₂
0.4
μg/m³
O₃
53.9
μg/m³
SO₂
0.1
μg/m³
CO
102.1
μg/m³
Partly Cloudy
Wednesday, August 05, 2026
High
23°C
Low
22°C
Rain Chance
18%
Hourly Forecast
23°C
23°C
22°C
22°C
22°C
22°C
22°C
22°C
22°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
Day Statistics
Maximum Wind
23 km/h
Humidity
90%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
18%
Snow Chance
0%
Sun & Moon
Sunrise
05:41 AM
Sunset
07:55 PM
Moonrise
10:58 PM
Moonset
12:59 PM
Moon Phase
Last Quarter
Moon Illumination
44%
Sunny
Thursday, August 06, 2026
High
24°C
Low
23°C
Rain Chance
16%
Hourly Forecast
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
24°C
23°C
23°C
23°C
23°C
23°C
23°C
Day Statistics
Maximum Wind
28 km/h
Humidity
90%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
16%
Snow Chance
0%
Sun & Moon
Sunrise
05:42 AM
Sunset
07:53 PM
Moonrise
11:32 PM
Moonset
02:10 PM
Moon Phase
Last Quarter
Moon Illumination
34%
Solar Radiation Data
Shortwave Radiation
496.78
Diffuse Radiation
163.46
DNI
100.73
GTI
410.45
Weather Alerts
Rip Current Statement issued July 31 at 8:39AM EDT until July 31 at 11:00PM EDT by NWS Boston/Norton MA
* WHAT...Dangerous rip currents. * WHERE...Barnstable MA and Nantucket MA Counties. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.
Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
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