Where is Rochester Reservoir?

Rochester Reservoir is a reservoir in New Hampshire.

What is the water temperature at Rochester Reservoir?

As of August 21, 2026, the water temperature at Rochester Reservoir in New Hampshire is 66°F (19°C), measured by NOAA buoy SEIM1, 21.1 miles away.

What amenities does Rochester Reservoir have?

Visitor-listed amenities at Rochester Reservoir include camping-nearby.

Updated June 13, 2026

Rochester Reservoir

Reservoir

Rainy todaycamping-nearby

Interactive map not available

Current water conditions

Water temp

66°F

19°C

Cool water — ease in carefully. Cool enough to cause cold-water shock on a sudden entry. Get in gradually, let your breathing settle, and keep an eye on weaker swimmers.

Live data from NOAA buoy SEIM1 (21.1 mi away), as of Aug 21, 7:30 AM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at Rochester Reservoir

H: 85° L: 61°

Patchy rain nearby

64°

Feels like 64°

Precipitation

68%

Humidity

81%

Wind

5 mph

UV Index

Water Conditions:

🥶Too cold for most swimmers🌧️Rain expected

12 AM

66°

3 AM

63°

6 AM

64°

9 AM

71°

12 PM

83°

3 PM

79°

6 PM

70°

9 PM

62°

Pack smarter for Rochester Reservoir

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.

Inflatable PaddleboardA popular way to explore calm coves and shorelines.

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Life JacketImportant around boats, paddling, and deeper swimming areas.

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Floating CoolerKeeps drinks nearby for swim areas, docks, and boats.

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Waterproof Phone PouchProtects phones around docks, boats, and splashy shorelines.

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Frequently asked questions

Where is Rochester Reservoir?: Rochester Reservoir is a reservoir in New Hampshire.
What is the water temperature at Rochester Reservoir?: As of August 21, 2026, the water temperature at Rochester Reservoir in New Hampshire is 66°F (19°C), measured by NOAA buoy SEIM1, 21.1 miles away.
Can you swim at Rochester Reservoir?: There is no fixed answer for Rochester Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Rochester Reservoir in New Hampshire. Check current water conditions before you go, and follow posted signs and local guidance.
What amenities does Rochester Reservoir have?: Visitor-listed amenities at Rochester Reservoir include camping-nearby.

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

🌧️

Right Now

Not ideal for outdoor activities today

🏞️ Lakes Tips:

›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

Best Seasons:

☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

New Hampshire

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