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Lafayette Reservoir - Photo 1

Lafayette Reservoir

Reservoir

Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry.
  • No official beach advisory posted (California Water Boards — FHAB Reports checked).

water storage reservoir in Contra Costa County, California, USA

Interactive map not available

Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry. NOAA buoy AAMC1, as of Aug 22, 11:00 AM UTC
  • No official beach advisory posted (California Water Boards — FHAB Reports checked).
Water temp
69°F
21°C

Official advisories

Checked against California Water Boards — FHAB Reports — no advisory posted.

Live data from NOAA buoy AAMC1 (11.5 mi away), as of Aug 22, 11:00 AM UTC.

Weather at Lafayette Reservoir

H: 86° L: 56°
Clear
Clear
57°
|
Feels like 55°
Precipitation
4%
Humidity
89%
Wind
5 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers
12 AM
Clear
59°
3 AM
Clear
57°
6 AM
Clear
56°
9 AM
Sunny
67°
12 PM
Sunny
86°
3 PM
Sunny
75°
6 PM
Sunny
75°
9 PM
Clear
67°

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Frequently asked questions

Where is Lafayette Reservoir?
Lafayette Reservoir is a reservoir in California.
What is the water temperature at Lafayette Reservoir?
As of August 22, 2026, the water temperature at Lafayette Reservoir in California is 69°F (21°C), measured by NOAA buoy AAMC1, 11.5 miles away.
Can you swim at Lafayette Reservoir?
Cool water — ease in carefully: water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry. Checked August 22, 2026.

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Best Times to Visit

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Right Now
Cool weather - dress warmly
🏞️ 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

California

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