Weather Forecast for Martha's Vineyard
Massachusetts, United States of America
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Current Weather - Martha's Vineyard: 21°C
Current Weather - Martha's Vineyard: 21°C
Massachusetts, United States of America
Light rain
Feels like 18°C
Wind
31 km/h NE
Humidity
90%
Pressure
1017 mb
UV Index
1
Visibility
10 km
Light rain
Friday, August 21, 2026
High
21°C
Low
19°C
Rain Chance
92%
Hourly Forecast
20°C
Day Statistics
Maximum Wind
35 km/h
Humidity
90%
Precipitation
114 mm
UV Index
5
Visibility
9 km
Rain Chance
92%
Snow Chance
0%
Sun & Moon
Sunrise
05:57 AM
Sunset
07:33 PM
Moonrise
03:56 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
69%
Air Quality
PM2.5
5.4
μg/m³
PM10
7.3
μg/m³
NO₂
1.7
μg/m³
O₃
107.1
μg/m³
SO₂
0.8
μg/m³
CO
143.8
μg/m³
Patchy rain nearby
Saturday, August 22, 2026
High
21°C
Low
19°C
Rain Chance
92%
Hourly Forecast
20°C
20°C
20°C
20°C
20°C
20°C
20°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
20°C
20°C
20°C
20°C
19°C
Day Statistics
Maximum Wind
30 km/h
Humidity
93%
Precipitation
19 mm
UV Index
2
Visibility
10 km
Rain Chance
92%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
07:31 PM
Moonrise
04:47 PM
Moonset
12:28 AM
Moon Phase
Waxing Gibbous
Moon Illumination
78%
Air Quality
PM2.5
2.7
μg/m³
PM10
4
μg/m³
NO₂
1.3
μg/m³
O₃
79.6
μg/m³
SO₂
0.6
μg/m³
CO
131.3
μg/m³
Light rain shower
Sunday, August 23, 2026
High
23°C
Low
20°C
Rain Chance
93%
Hourly Forecast
22°C
22°C
21°C
21°C
20°C
20°C
21°C
22°C
23°C
23°C
23°C
22°C
22°C
22°C
22°C
22°C
22°C
23°C
23°C
23°C
22°C
23°C
23°C
23°C
Day Statistics
Maximum Wind
25 km/h
Humidity
93%
Precipitation
36 mm
UV Index
6
Visibility
9 km
Rain Chance
93%
Snow Chance
0%
Sun & Moon
Sunrise
05:59 AM
Sunset
07:30 PM
Moonrise
05:29 PM
Moonset
01:24 AM
Moon Phase
Waxing Gibbous
Moon Illumination
86%
Air Quality
PM2.5
6.7
μg/m³
PM10
10.8
μg/m³
NO₂
0.6
μg/m³
O₃
108.7
μg/m³
SO₂
0.4
μg/m³
CO
113.1
μg/m³
Sunny
Monday, August 24, 2026
High
24°C
Low
21°C
Rain Chance
17%
Hourly Forecast
24°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
23°C
24°C
24°C
22°C
22°C
22°C
23°C
23°C
23°C
23°C
23°C
23°C
22°C
23°C
23°C
21°C
Day Statistics
Maximum Wind
36 km/h
Humidity
70%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:00 AM
Sunset
07:28 PM
Moonrise
06:03 PM
Moonset
02:25 AM
Moon Phase
Waxing Gibbous
Moon Illumination
93%
Air Quality
PM2.5
9.6
μg/m³
PM10
13
μg/m³
NO₂
2.3
μg/m³
O₃
104.8
μg/m³
SO₂
0.8
μg/m³
CO
144.1
μg/m³
Sunny
Tuesday, August 25, 2026
High
23°C
Low
17°C
Rain Chance
17%
Hourly Forecast
23°C
22°C
19°C
21°C
20°C
17°C
20°C
20°C
17°C
21°C
22°C
20°C
21°C
22°C
21°C
22°C
23°C
22°C
22°C
21°C
21°C
21°C
21°C
21°C
Day Statistics
Maximum Wind
33 km/h
Humidity
64%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:01 AM
Sunset
07:27 PM
Moonrise
06:31 PM
Moonset
03:28 AM
Moon Phase
Full Moon
Moon Illumination
97%
Air Quality
PM2.5
7
μg/m³
PM10
8.5
μg/m³
NO₂
4.2
μg/m³
O₃
77.9
μg/m³
SO₂
1
μg/m³
CO
192.7
μg/m³
Sunny
Wednesday, August 26, 2026
High
24°C
Low
18°C
Rain Chance
8%
Hourly Forecast
21°C
20°C
20°C
19°C
19°C
19°C
18°C
19°C
19°C
20°C
21°C
21°C
22°C
22°C
23°C
23°C
23°C
24°C
23°C
23°C
22°C
22°C
22°C
22°C
Day Statistics
Maximum Wind
27 km/h
Humidity
69%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
06:02 AM
Sunset
07:25 PM
Moonrise
06:55 PM
Moonset
04:31 AM
Moon Phase
Full Moon
Moon Illumination
100%
Overcast
Thursday, August 27, 2026
High
25°C
Low
21°C
Rain Chance
13%
Hourly Forecast
22°C
21°C
21°C
21°C
21°C
21°C
22°C
22°C
23°C
23°C
24°C
25°C
25°C
25°C
25°C
25°C
25°C
24°C
24°C
24°C
23°C
23°C
23°C
23°C
Day Statistics
Maximum Wind
22 km/h
Humidity
75%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
13%
Snow Chance
0%
Sun & Moon
Sunrise
06:03 AM
Sunset
07:23 PM
Moonrise
07:16 PM
Moonset
05:34 AM
Moon Phase
Full Moon
Moon Illumination
100%
Solar Radiation Data
Shortwave Radiation
52.8
Diffuse Radiation
35.85
DNI
0
GTI
0
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