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Dew Point Today in Boston
The current dew point in Boston, MA, what comfort level it falls into, and what that means for running, sleeping, and working outdoors today.
Boston gets a handful of genuinely oppressive stretches each summer when dew points climb past 70°F, separated by comfortable stretches in the 50s.
Current Dew Point in Boston, MA
7-Day Dew Point Forecast
Today and tomorrow at a glance — the next seven days of dew point at Boston, MA, so you can see the sticky ones coming.
Dew Point Today, Hour by Hour
The next 24 hours of dew point at Boston, MA, in local time. The quiet stretches are usually the early morning — dew point climbs through the afternoon and eases after sunset.
Dew Point Around Boston and Nearby Cities
Humidity changes fast across short distances — a lake breeze or a hill can move the dew point by several degrees. These readings refresh with the page.
| Location | Dew point now | Compared to Boston | Feels like |
|---|---|---|---|
| Boston, MA — this page | … | — | … |
| Cambridge, MA | … | — | … |
| Worcester, MA | … | — | … |
| Providence, RI | … | — | … |
| Manchester, NH | … | — | … |
Dew Point Records and Averages in Boston
Boston's humidity has a long memory. Using 30 years of reanalysis data (1995–2024) for the coordinates of Boston, MA, the numbers below are what this city actually does — not a national average applied to it. These are the highest values in that reanalysis period, not an official observing-station record.
- Highest dew point in reanalysis
- 80°F
- July 3, 2002
- Typical July peak
- 67°F
- Median 63°F — July is the hardest month
- When it eases off
- September
- Dew points fall back below the sticky range
So if someone asks what the average dew point in Boston is, the honest answer is that it depends on the month: the city spends half the year in the comfortable range and a few weeks in the oppressive one. The month-by-month table above shows exactly where the line falls. See the comfort scale →
Dew Point in Boston by Month
Typical dew point for each month in Boston, MA — the middle 50% of days (25th to 75th percentile) from 1995–2024 of reanalysis data, with the median for the month.
| Month | Typical range | Median | Feels like |
|---|---|---|---|
| January | 9–28°F | 19°F / -7.2°C | Dry |
| February | 10–28°F | 20°F / -6.7°C | Dry |
| March | 19–34°F | 27°F / -2.8°C | Dry |
| April | 30–42°F | 36°F / 2.2°C | Dry |
| May | 42–53°F | 47°F / 8.3°C | Dry |
| June | 52–62°F | 57°F / 13.9°C | Comfortable |
| Julyhardest | 59–67°F | 63°F / 17.2°C | Slightly humid |
| August | 58–67°F | 62°F / 16.7°C | Slightly humid |
| September | 51–62°F | 56°F / 13.3°C | Comfortable |
| October | 39–52°F | 46°F / 7.8°C | Dry |
| November | 27–42°F | 33°F / 0.6°C | Dry |
| December | 17–33°F | 25°F / -3.9°C | Dry |
July is the hardest month in Boston — the median dew point is 63°F (17.2°C) and the muggiest quarter of days sit in the 59–67°F band. January is the most comfortable, at a median of 19°F (-7.2°C).
Today’s reading is at the top of this page — compare it against the table to see whether you are in a normal stretch or an unusual one. See what counts as a comfortable dew point →
What This Dew Point Means in Boston
Whatever the reading above says, the interpretation is the same everywhere. Below 55°F you can go at full effort outdoors. Between 55°F and 65°F it is pleasant to slightly sticky. From 65°F to 70°F most people feel genuinely uncomfortable and outdoor workouts get harder. Above 70°F, sweat stops cooling you efficiently — move exercise to early morning and take heat safety seriously.
Dew Point in Boston — Frequently Asked Questions
What's the highest dew point ever in Boston?
The highest value in Boston's 1995–2024 reanalysis record is 80°F, reached on July 3, 2002. That is the same 30-year window the monthly table above uses — not an official observing-station record, which is a different and shorter dataset. The median July dew point reaches about 63°F, so the all-time mark sits roughly 17°F above a normal summer high.
Is Boston more humid or dry?
Dry for most of the year. The median dew point sits below the sticky range from September through June. Boston's sticky stretch runs July–August, peaking at a median of 63°F.
Is Cambridge as humid as Boston?
The two cities share the same air mass, so their sticky days line up closely — when one turns muggy, the other usually does within a day. The table above shows the current readings side by side.
What is a comfortable dew point in Boston?
The comfort scale is the same everywhere: a dew point between 50°F and 60°F (10–16°C) feels comfortable to most people in Boston, 60–65°F starts to feel sticky, and anything above 70°F feels oppressive. Local climate changes how often you see each range, not how it feels.
How often does the Boston dew point update?
The reading on this page refreshes every 30 minutes from Open-Meteo, and the timestamp shown is Boston local time. Dew point moves slowly compared with air temperature, so a recent reading is reliable for planning the next few hours.
Why is dew point better than the humidity percentage?
Relative humidity changes meaning with the temperature — 50% is dry on a cool morning and oppressive on a hot afternoon. Dew point is absolute, so 65°F always represents the same amount of moisture and the same sticky feeling.
← Back to the dew point chart | Dew point vs humidity: why it matters →