Cape Cod National Seashore Climate and Average Weather
Climate of Cape Cod National Seashore: average temperatures, rainfall and seasons month by month.
Climate in Cape Cod National Seashore month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 37° | 31° | 4,3 in | ★★☆☆☆ |
| February | 37° | 31° | 3,1 in | ★★☆☆☆ |
| March | 43° | 37° | 5,2 in | ★★☆☆☆ |
| April | 47° | 42° | 3,6 in | ★★★☆☆ |
| May | 55° | 50° | 3,9 in | ★★★★☆ |
| June | 66° | 60° | 2,0 in | ★★★★☆ |
| July | 71° | 67° | 4,4 in | ★★★★☆ |
| August | 71° | 66° | 1,9 in | ★★★★☆ |
| September | 66° | 62° | 3,1 in | ★★★★☆ |
| October | 60° | 55° | 3,9 in | ★★★★☆ |
| November | 51° | 45° | 2,1 in | ★★★☆☆ |
| December | 44° | 37° | 4,1 in | ★★☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Recent extremes in Cape Cod National Seashore
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Cape Cod National Seashore compares with nearby places
Annual averages, and the difference against Cape Cod National Seashore.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Nantucket | 47 mi | 52°F | +33°F warmer | 38 in |
| Martha's Vineyard | 51 mi | 53°F | +34°F warmer | 45 in |
| Boston Logan International Airport | 58 mi | 52°F | +33°F warmer | 44 in |
| Boston | 60 mi | 51°F | about the same | 43 in |
| Suffolk County | 60 mi | 51°F | about the same | 43 in |
Best time to visit Cape Cod National Seashore
Go in June, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and March - expect the least comfortable mix of heat, cold or rain.
What this means for Cape Cod National Seashore
Today is slightly cooler than average for September. The forecast high of 62°F is 4°F below the 66°F typical for this month.
A 18% chance means most of the area stays dry; a passing shower is possible but short.
Visibility is down to 0,1 mi - use low beams and leave extra following distance.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 67°F.
What to pack, what to skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid January, February and March - historically the least comfortable months here.
Summary
Cape Cod National Seashore is a beach in Massachusetts. Cape Cod National Seashore is a beach known for forty miles of protected Atlantic shore.
Right now it is 59°F (15°C) in Cape Cod National Seashore with overcast. It feels like 58°F. Today runs from 57°F to 62°F. Chance of precipitation is 18%. Sightseeing conditions score 6.7/10 - fair - plan around the weather.
The best time to visit Cape Cod National Seashore is June, August and September. The climate is temperate. January, February and March tend to be the least comfortable months. July is the warmest month with average highs near 71°F, while January is the coldest with lows near 31°F.
The closest major airport is Boston Logan International Airport (BOS), about 58 mi away. Nearby highlights include Nantucket, Martha's Vineyard, Mount Washington and Franconia Notch State Park.
In plain terms. Today is slightly cooler than average for September. The forecast high of 62°F is 4°F below the 66°F typical for this month. The best window to be outside is roughly 9 AM to 12 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Cape Cod National Seashore today at 9.3/10. Visibility is down to 0,1 mi - use low beams and leave extra following distance.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Cape Cod National Seashore
| Type | Beach |
|---|---|
| State | Massachusetts |
| Country | United States |
| Continent | North America |
| Coordinates | 41°57′30.2″N 70°1′21″W (41.9584, -70.0225) |
| Known for | forty miles of protected Atlantic shore |
| Local time | 7:39 PM (UTC-04:00) |
| Best months | June, August and September |
| Climate | Temperate |
Weather map for Cape Cod National Seashore
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Cape Cod National Seashore
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Cape Cod National Seashore?
Cape Cod National Seashore is a beach in Massachusetts. Its coordinates are 41.9584, -70.0225. It lies in North America.
What is the weather like in Cape Cod National Seashore right now?
It is currently 59°F (15°C) with overcast. Humidity is 94% and wind is 7 mph.
When is the best time to visit Cape Cod National Seashore?
June, August and September offer the most comfortable conditions in Cape Cod National Seashore, which has a temperate climate. January, February and March are usually the hardest months for outdoor plans.
What time zone is Cape Cod National Seashore in?
Cape Cod National Seashore observes America/New_York (UTC-04:00). The local time is 7:39 PM.
What is the nearest airport to Cape Cod National Seashore?
The closest airports are Boston Logan International Airport (BOS), 58 mi away, John F. Kennedy International Airport (JFK), 215 mi away and LaGuardia Airport (LGA), 216 mi away.
What are the top things to do in Cape Cod National Seashore?
Popular options include Nantucket, Martha's Vineyard, Mount Washington, Franconia Notch State Park, Acadia National Park and Central Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (beaches) - 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 September 30, 2026 at 7:39 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
