Union Valley Reservoir

Union Valley Reservoir

Placerville, CA

65°F
75°
6 mph65°/50°

Right Now

75°

Mostly Clear

Water

65°

Wind

6 mph

WSW

Gusts

16 mph

Pressure

29.85

falling

Forecast - Wed, May 13

7am
52°
10am
60°
1pm
64°
4pm
65°

High / Low

65° / 50°

Wind

5 mph

gusts 14 mph

Precip

0%

UV

10

Sunrise

12:51 PM

Sunset

3:05 AM

Today Read

Union Valley Reservoir

Wind read

Calm

5 mph avg

Water read

65°

Warm-water bite

Air range

50° / 65°

today

Precip

0%

low concern

Today's forecast for Union Valley Reservoir has calm wind, 50F to 65F air temperatures, 0% chance of precipitation, and 65F water.

AI lake plannerFishableChecking questions

Ask what to do at Union Valley Reservoir today.

The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.

Today's AI read

Active-water pattern for Rainbow trout / Brown trout

66 confidence

Active temps make wind edges, shallow cover, and feeding windows more important. Wind is not the main constraint, so timing and presentation can drive the plan. With a weak solunar score, favor stable weather windows.

Uses this lake data

Current water temp: 65°FWater temp history: 474 readingsHourly weather: 224 hoursSolunar timing: 2/5Fish species: 3 listedSatellite imagery: 599 captures

Trip read from the AI planner

Fishing Forecast

waning crescent

2/5

Major

4:37 PM - 7:07 PM

Minor

10:10 AM - 11:40 AM

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May 11, 2026

Fish Species

3

Water Temperature History

Current

63°

May 17

Low

37°

Feb 23

Average

58°

Last 12 Months

Warmest avg: July (72°F)

Coolest avg: February (40°F)

Rapid warming: FebruaryMarch (+14°F)

Sharpest cooling: OctoberNovember (-16°F)

Nearby Lakes

FAQ

About Union Valley Reservoir

Union Valley Reservoir covers 2893.00 acres (4.52 square miles)

Union Valley Reservoir is located in Placerville, El Dorado County, CA. It is accessible to the public for outdoor activities.