Updated
Eureka Lake
Reservoir
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.
- Water temperature is 74°F, within the comfortable 70–86°F range.
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
Interactive map not available
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.
- Water temperature is 74°F, within the comfortable 70–86°F range. — NOAA buoy BRHC3, as of Aug 22, 1:18 PM UTC
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
No official beach-advisory feed for Connecticut yet — follow posted signs and local guidance.
Live data from NOAA buoy BRHC3 (18.5 mi away), as of Aug 22, 1:18 PM UTC.
Weather at Eureka Lake
Sponsored gear checklist
Pack smarter for Eureka Lake
Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.
As an Amazon Associate we earn from qualifying purchases.
Frequently asked questions
- Where is Eureka Lake?
- Eureka Lake is a reservoir in Connecticut.
- What is the water temperature at Eureka Lake?
- As of August 22, 2026, the water temperature at Eureka Lake in Connecticut is 74°F (24°C), measured by NOAA buoy BRHC3, 18.5 miles away.
- Can you swim at Eureka Lake?
- Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range. Checked August 22, 2026.
Advertisement
Visitor Reviews
Be the first to share your experience here
Join our community to share your water adventures
Earn badges as you share your experiences!
No reviews yet — share what you know
Been here? A quick note helps the next visitor plan their day. Handy things to mention:
Best Times to Visit
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
Location & Contact
Connecticut
</> Embed this location on your site
Paste this snippet into your website to show a live badge for Eureka Lake — free to use with the included credit link.