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LakeMonster.com is a BETA data site created to help lake enthusiasts of all kinds by combining the latest satellite imagery, weather data, lake staff information, and community member reports to communicate current lake conditions.
Check the map below for point temperatures. Drought conditions and low water levels are affecting smaller lake temperature accuracy. We are working to resolve the issue. Please help others by submitting your observed temperatures.

Union Valley Reservoir , CA
GPS: 38.870, -120.441 Google Map · LakeMonster Map
Views: 367
Favorited: 1
~ 2286 miles away - (765)
Today's Forecast Oct 17, 2021
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Union Valley Reservoir's current water temperature is 51°F. Today's forecast is: , with a high around 60°F and a low around 34°F. Winds are out of the SSW at 9 mph with gusts of 28 mph.

Current Conditions
51°F
Water estimate as of
Oct 11, 2021
60° 34° F
Air
SW 9 - 28 gust
Wind
Temps are estimates of the surface temp acquired throughout the lake. Values are generally within a few degrees, but may be inaccurate due to factors including cloud cover, land interference, water levels, and input data quality/accuracy. If a temp is inaccurate, please contact us. Consider helping us improve our accuracy by creating an account and submitting your observed water temps in the section below.


Community Water Temps
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   Your
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Latest satelite temp: 51°F
51°F
  Warning: Greater than 10% difference.




Forecast as of Oct 17, 2021
gust  
5  
6+  
11+  
16+  
21+
Sunday
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60° 32°
SSW 9-28 mph
4
6
8
10

Rain (with a chance of 1–3 in. of snow) in the evening and overnight.
Monday
image
45° 27°
SW 6-19 mph
6
8
10
12
2
4
6
8

Snow (< 1 in.) in the morning.
Tuesday
image
54° 41°
SE 6-17 mph
6
8
10
12
2
4
6
8

Mostly cloudy throughout the day.
Wednesday
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49° 42°
SSE 7-17 mph
6
8
10
12
2
4
6
8

Possible light rain in the morning.
Thursday
image
60° 45°
ESE 4-9 mph
6
8
10
12
2
4
6
8

Mostly cloudy throughout the day.
Friday
image
48° 38°
S 4-28 mph
6
8
10
12
2
4
6
8

Rain throughout the day.
Saturday
image
46° 40°
SSW 4-21 mph
6
8
10
12
2
4
6
8

Rain until morning, starting again in the evening.
Sunday
image
44° 41°
SSW 8-49 mph
6
8
10
12
2

Heavy rain throughout the day.

Latest Satellite Imagery
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Description
Union Valley Reservoir is a reservoir in eastern El Dorado County, California, about 20 miles northeast of Placerville. The 277,000 acre feet lake is in Eldorado National Forest in the Sierra Nevada at an elevation of 4,870 feet. Wikipedia

Related sites:
en.wikipedia.org
www.californiasbestcamping.com
www.recreation.gov
www.fs.usda.gov

Attributes
Acres 2,893
Base Elevation 4839 Ft

Pressure
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Recent Water Temperatures
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Nearby Lakes
Water: 52° H: 59° L: 33°
Wind 9-27 mph
Ice House Reservoir Rain (with a chance of 2–4 in. of snow) in the evening and overnight. 8 miles from Union Valley Reservoir Riverton, CA
Water: 49° H: 53° L: 29°
Wind 10-33 mph
Loon Lake Heavy snow (3–6 in.) in the evening and overnight. 16 miles from Union Valley Reservoir El Dorado County, CA
Water: 54° H: 64° L: 41°
Wind 5-22 mph
Jenkinson Lake Rain in the evening and overnight. 20 miles from Union Valley Reservoir Pollock Pines, CA
Water: 52° H: 61° L: 33°
Wind 8-30 mph
Hell Hole Reservoir Rain in the evening and overnight. 23 miles from Union Valley Reservoir Georgetown, CA
Water: 52° H: 58° L: 31°
Wind 8-30 mph
French Meadows Reservoir Rain (with a chance of 2–4 in. of snow) in the evening and overnight. 28 miles from Union Valley Reservoir Foresthill, CA
Water: 53° H: 55° L: 33°
Wind 9-31 mph
Lake Tahoe Rain in the evening and overnight. 35 miles from Union Valley Reservoir South Lake Tahoe, CA
Water: 43° H: 52° L: 28°
Wind 11-39 mph
Silver Lake Rain (with a chance of 4–8 in. of snow) throughout the day. 37 miles from Union Valley Reservoir Stockton, CA
Water: 46° H: 47° L: 30°
Wind 9-40 mph
Caples Lake Heavy snow (3–6 in.) in the evening and overnight. 39 miles from Union Valley Reservoir Kirkwood, CA
Water: 49° H: 56° L: 31°
Wind 8-26 mph
Lower Bear River Reservoir Heavy snow (2–5 in.) in the evening and overnight. 39 miles from Union Valley Reservoir Pioneer , CA
Water: 48° H: 62° L: 39°
Wind 6-23 mph
Sugar Pine Reservoir Rain in the evening and overnight. 42 miles from Union Valley Reservoir Foresthill, CA
Water: 56° H: 63° L: 35°
Wind 10-30 mph
Salt Springs Reservoir Rain in the evening and overnight. 47 miles from Union Valley Reservoir Farmington, CA
Water: 0° H: 52° L: 29°
Wind 8-31 mph
Kelly Lake Heavy snow (4–7 in.) in the evening and overnight. 50 miles from Union Valley Reservoir Emigrant Gap, CA
Water: 48° H: 52° L: 30°
Wind 8-29 mph
Lake Valley Reservoir Heavy snow (3–6 in.) in the evening and overnight. 50 miles from Union Valley Reservoir Truckee, CA
Water: 53° H: 54° L: 34°
Wind 9-39 mph
Donner Lake Rain in the evening and overnight. 53 miles from Union Valley Reservoir Truckee, CA
Water: 53° H: 56° L: 34°
Wind 7-27 mph
Lake Spaulding Rain (with a chance of 1–2 in. of snow) in the evening and overnight. 53 miles from Union Valley Reservoir Yuba Pass, CA
Water: 61° H: 69° L: 45°
Wind 5-21 mph
Rollins Reservoir Rain in the evening and overnight. 53 miles from Union Valley Reservoir Colfax, CA
Water: 44° H: 53° L: 32°
Wind 8-28 mph
Fuller Lake Rain (with a chance of 2–4 in. of snow) in the evening and overnight. 56 miles from Union Valley Reservoir Nevada City, CA
Water: 64° H: 77° L: 55°
Wind 6-21 mph
Folsom Lake Rain in the evening and overnight. 60 miles from Union Valley Reservoir Folsom Lake, CA
Water: 59° H: 64° L: 40°
Wind 5-22 mph
Scotts Flat Reservoir Rain in the evening and overnight. 61 miles from Union Valley Reservoir Grass Valley, CA
Water: 50° H: 57° L: 31°
Wind 7-37 mph
Prosser Creek Reservoir Rain in the evening and overnight. 62 miles from Union Valley Reservoir Truckee, CA