Updated
Charlestown Beach
Beach
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 71°F, within the comfortable 70–86°F range.
- Water temperature is 71°F, within the comfortable 70–86°F range.
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
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Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 71°F, within the comfortable 70–86°F range.
- Water temperature is 71°F, within the comfortable 70–86°F range. — NOAA buoy NWPR1, as of Aug 21, 10:18 PM UTC
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
No official beach-advisory feed for Massachusetts yet — follow posted signs and local guidance.
Live data from NOAA buoy NWPR1 (18.8 mi away), as of Aug 21, 10:18 PM UTC.
Weather at Charlestown Beach
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Frequently asked questions
- Where is Charlestown Beach?
- Charlestown Beach is a beach in Massachusetts.
- What is the water temperature at Charlestown Beach?
- As of August 21, 2026, the water temperature at Charlestown Beach in Massachusetts is 71°F (22°C), measured by NOAA buoy NWPR1, 18.8 miles away.
- Can you swim at Charlestown Beach?
- Comfortable for a swim today: water temperature is 71°F, within the comfortable 70–86°F range. Checked August 21, 2026.
- What amenities does Charlestown Beach have?
- Visitor-listed amenities at Charlestown Beach include camping-nearby.
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Best Times to Visit
- ›Arrive early for best parking and beach spot selection
- ›Check for lifeguard schedules and swim only in designated areas
- ›Bring reef-safe sunscreen to protect marine life
- ›Watch for beach flags indicating water conditions
Location & Contact
Massachusetts
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