Martha's Vineyard Weather Forecast
Martha's Vineyard weather: 71°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
14-day forecast for Martha's Vineyard
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Mon, Aug 24 | 🌤️ Mainly clear | 80° / 67° | 2% | 13 mph | 7 |
| Tue, Aug 25 | ☁️ Overcast | 75° / 64° | 4% | 14 mph | 7 |
| Wed, Aug 26 | ☁️ Overcast | 80° / 62° | 1% | 8 mph | 7 |
| Thu, Aug 27 | ☁️ Overcast | 82° / 63° | 43% | 11 mph | 7 |
| Fri, Aug 28 | 🌦️ Light showers | 82° / 70° | 51% · 0,3 in | 11 mph | 6 |
| Sat, Aug 29 | ☁️ Overcast | 79° / 62° | 10% | 11 mph | 7 |
| Sun, Aug 30 | ☁️ Overcast | 79° / 60° | 4% | 11 mph | 7 |
| Mon, Aug 31 | 🌧️ Heavy drizzle | 77° / 69° | 11% · 0,3 in | 17 mph | 4 |
| Tue, Sep 1 | ☁️ Overcast | 77° / 60° | 18% | 11 mph | 7 |
| Wed, Sep 2 | ☁️ Overcast | 70° / 60° | 23% | 8 mph | 5 |
| Thu, Sep 3 | ☁️ Overcast | 79° / 59° | 14% | 7 mph | 7 |
| Fri, Sep 4 | ☁️ Overcast | 72° / 60° | 17% | 6 mph | 3 |
| Sat, Sep 5 | ⛅ Partly cloudy | 75° / 56° | 14% | 10 mph | 7 |
| Sun, Sep 6 | ☀️ Clear sky | 76° / 56° | 14% | 9 mph | 7 |
The two-week trend
Cooling. The second half of the window averages 36°F cooler than the days immediately ahead.
The window averages 77°F against a August normal of 77°F - right on average.
Rainfall over the next 7 days is close to normal for August (0,3 in against a typical 0,6 in).
What this means for Martha's Vineyard
Today is slightly warmer than average for August. The forecast high of 80°F is 3.4°F above the 77°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 73°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and March - historically the least comfortable months here.
See the Martha's Vineyard forecast by time range
Martha's Vineyard weather - more answers
Explore Martha's Vineyard
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Frequently asked questions
Where is Martha's Vineyard?
Martha's Vineyard is an island in Massachusetts. Its coordinates are 41.3888, -70.6455. It lies in North America.
What is the weather like in Martha's Vineyard right now?
It is currently 71°F (22°C) with clear. Humidity is 92% and wind is 4 mph.
When is the best time to visit Martha's Vineyard?
June, July, August, September and October offer the most comfortable conditions in Martha's Vineyard, which has a continental climate. January, February and March are usually the hardest months for outdoor plans.
What time zone is Martha's Vineyard in?
Martha's Vineyard observes America/New_York (UTC-04:00). The local time is 9:16 PM.
What is the nearest airport to Martha's Vineyard?
The closest airports are Boston Logan International Airport (BOS), 70 mi away, John F. Kennedy International Airport (JFK), 171 mi away and LaGuardia Airport (LGA), 173 mi away.
What are the top things to do in Martha's Vineyard?
Popular options include Nantucket, Cape Cod National Seashore, Central Park, Times Square, Empire State Building and Hudson River.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 24, 2026 at 9:16 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
