Weather Forecast for Martha's Vineyard
Massachusetts, United States of America
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Current Weather - Martha's Vineyard: 19°C
Current Weather - Martha's Vineyard: 19°C
Massachusetts, United States of America
Sunny
Feels like 16°C
Wind
26 km/h SW
Humidity
88%
Pressure
1014 mb
UV Index
0
Visibility
10 km
Overcast
Friday, October 02, 2026
High
23°C
Low
18°C
Rain Chance
21%
Hourly Forecast
23°C
22°C
22°C
20°C
19°C
19°C
19°C
19°C
19°C
19°C
Day Statistics
Maximum Wind
32 km/h
Humidity
85%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
21%
Snow Chance
0%
Sun & Moon
Sunrise
06:40 AM
Sunset
06:22 PM
Moonrise
09:56 PM
Moonset
01:16 PM
Moon Phase
Last Quarter
Moon Illumination
55%
Air Quality
PM2.5
15.3
μg/m³
PM10
21.7
μg/m³
NO₂
0.9
μg/m³
O₃
113.5
μg/m³
SO₂
0.6
μg/m³
CO
145.8
μg/m³
Overcast
Saturday, October 03, 2026
High
19°C
Low
15°C
Rain Chance
18%
Hourly Forecast
19°C
19°C
18°C
18°C
17°C
18°C
17°C
17°C
17°C
17°C
18°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
16°C
16°C
15°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
24 km/h
Humidity
71%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
18%
Snow Chance
0%
Sun & Moon
Sunrise
06:41 AM
Sunset
06:21 PM
Moonrise
11:04 PM
Moonset
02:13 PM
Moon Phase
Last Quarter
Moon Illumination
45%
Air Quality
PM2.5
4.9
μg/m³
PM10
6.6
μg/m³
NO₂
2.8
μg/m³
O₃
72.6
μg/m³
SO₂
0.9
μg/m³
CO
137.3
μg/m³
Sunny
Sunday, October 04, 2026
High
16°C
Low
15°C
Rain Chance
78%
Hourly Forecast
16°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
32 km/h
Humidity
78%
Precipitation
10 mm
UV Index
4
Visibility
9 km
Rain Chance
78%
Snow Chance
0%
Sun & Moon
Sunrise
06:42 AM
Sunset
06:19 PM
Moonrise
Does not rise today
Moonset
03:00 PM
Moon Phase
Last Quarter
Moon Illumination
34%
Air Quality
PM2.5
6.7
μg/m³
PM10
10.7
μg/m³
NO₂
1.2
μg/m³
O₃
66.1
μg/m³
SO₂
0.6
μg/m³
CO
113
μg/m³
Patchy rain nearby
Monday, October 05, 2026
High
17°C
Low
13°C
Rain Chance
63%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
15°C
16°C
16°C
17°C
17°C
17°C
17°C
16°C
16°C
16°C
15°C
13°C
Day Statistics
Maximum Wind
37 km/h
Humidity
82%
Precipitation
1 mm
UV Index
4
Visibility
9 km
Rain Chance
63%
Snow Chance
0%
Sun & Moon
Sunrise
06:43 AM
Sunset
06:17 PM
Moonrise
12:19 AM
Moonset
03:39 PM
Moon Phase
Waning Crescent
Moon Illumination
25%
Air Quality
PM2.5
8.5
μg/m³
PM10
12.7
μg/m³
NO₂
2.8
μg/m³
O₃
67
μg/m³
SO₂
0.7
μg/m³
CO
132.4
μg/m³
Sunny
Tuesday, October 06, 2026
High
14°C
Low
8°C
Rain Chance
2%
Hourly Forecast
12°C
11°C
10°C
10°C
9°C
8°C
8°C
8°C
8°C
9°C
9°C
10°C
12°C
13°C
14°C
14°C
14°C
14°C
14°C
14°C
13°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
39 km/h
Humidity
50%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:44 AM
Sunset
06:16 PM
Moonrise
01:37 AM
Moonset
04:10 PM
Moon Phase
Waning Crescent
Moon Illumination
16%
Air Quality
PM2.5
1.1
μg/m³
PM10
1.6
μg/m³
NO₂
1.7
μg/m³
O₃
63
μg/m³
SO₂
0.4
μg/m³
CO
157.1
μg/m³
Sunny
Wednesday, October 07, 2026
High
15°C
Low
9°C
Rain Chance
3%
Hourly Forecast
11°C
10°C
10°C
10°C
9°C
9°C
9°C
9°C
9°C
10°C
11°C
12°C
13°C
13°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
Day Statistics
Maximum Wind
24 km/h
Humidity
55%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:45 AM
Sunset
06:14 PM
Moonrise
02:55 AM
Moonset
04:37 PM
Moon Phase
Waning Crescent
Moon Illumination
9%
Patchy rain nearby
Thursday, October 08, 2026
High
18°C
Low
15°C
Rain Chance
15%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
17°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
17°C
17°C
16°C
15°C
Day Statistics
Maximum Wind
27 km/h
Humidity
74%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
06:46 AM
Sunset
06:12 PM
Moonrise
04:11 AM
Moonset
05:01 PM
Moon Phase
Waning Crescent
Moon Illumination
4%
Solar Radiation Data
Shortwave Radiation
16.06
Diffuse Radiation
5.86
DNI
0
GTI
0
Weather Alerts
Small Craft Advisory issued October 2 at 2:55AM EDT until October 2 at 8:00PM EDT by NWS Boston/Norton MA
* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
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