Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

54.0°F

Measurement Time: Friday, June 26, 2026, 3:00 PM PDT

Temperature Locations

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Local Points of Interest

Hetch Hetchy Reservoir; Yosemite National Park; White Wolf, CA

Tuolumne River

Station Name: TUOLUMNE R NR HETCH HETCHY CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 3,484 feet

Nearest Address:
Hetch Hetchy Road
Groveland, CA 95321
Tuolumne County

GPS Coordinates: 37.93742147, -119.7982326

Nearby Water Temperatures

Cherry Creek, Groveland, CA (6.8 mi)
Tuolumne River, Groveland, CA (7.7 mi)
Tuolumne River, Groveland, CA (9.1 mi)
Tuolumne River, Groveland, CA (10.1 mi)
Merced River, Yosemite Valley, CA (19.3 mi)
Middle Fork San Joaquin River, Mammoth Lakes, CA (44.2 mi)
Deadman Creek, Mammoth Lakes, CA (48.6 mi)
Hot Creek, Mammoth Lakes, CA (55.1 mi)
Hot Creek, Mammoth Lakes, CA (55.6 mi)
Hot Creek, Mammoth Lakes, CA (56.7 mi)
San Joaquin River, Friant, CA (66 mi)
Trout Creek, South Lake Tahoe, CA (68.5 mi)
Upper Truckee River, South Lake Tahoe, CA (68.9 mi)
Walker Lake, Walker Lake, NV (78.6 mi)
General Creek, Tahoma, CA (78.9 mi)

Weather for Groveland, California

Current Weather

42.8°F
Clear
Clear
34.2°F
42.8°F
87%
SSE 2.5 mph
5.2 mph
41.5°F
38°F
0 in
18%
6 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 59°F
L: 41°F
Sunny
Sat
H: 57°F
L: 36°F
Sunny
Sun
H: 59°F
L: 33°F
Patchy rain nearby
Mon
H: 60°F
L: 38°F
Sunny
Tue
H: 64°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 3.8 μg/m3
PM10: 4.7 μg/m3
Carbon Monoxide: 96 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:02 PM
Sunset: 8:26 PM
Daylight: 14 hrs 48 mins
Moonrise: 6:08 PM
Moon Transit: 10:48 PM
Moonset: 2:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
2:17 AM - 3:47 AM

Action Rating: 3 out of 5

Lake Wind Advisory issued June 25 at 11:55PM PDT until June 27 at 11:00PM PDT by NWS Reno NV

Effective: Thu June 25, 2026, 11:55 PM
Expires: Sat June 27, 2026, 3:00 AM

* WHAT...Southwest winds 15 to 25 mph with gusts up to 40 mph for Topaz Lake, Bridgeport Reservoir, Mono Lake, and Crowley Lake. * WHERE...Mono County. * WHEN...From 11 AM Friday to 11 PM PDT Saturday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. * ADDITIONAL DETAILS...Winds may briefly subside Friday night before increasing again early Saturday morning.

Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.


Lake Wind Advisory issued June 26 at 11:32AM PDT until June 27 at 11:00PM PDT by NWS Reno NV

Effective: Fri June 26, 2026, 11:32 AM
Expires: Sat June 27, 2026, 11:00 PM

* WHAT...Southwest winds 10 to 20 mph with gusts up to 40 mph for Topaz Lake, Bridgeport Reservoir, Mono Lake, and Crowley Lake. * WHERE...Mono County. * WHEN...Until 11 PM PDT Saturday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. * ADDITIONAL DETAILS...Winds may briefly subside tonight before increasing again early Saturday morning.

Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.
Friday, June 26, 2026

Weather Forecast

Sunny
59.4°F
40.7°F
50.6°F
55%
0 in
17%
0%
13.2 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 3.21 μg/m3
PM10: 4.09 μg/m3
Carbon Monoxide: 97.33 μg/m3
Nitrogen Dioxide: 0.92 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 95.08 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:02 PM
Sunset: 8:26 PM
Daylight: 14 hrs 48 mins
Moonrise: 6:08 PM
Moon Transit: 10:48 PM
Moonset: 2:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
2:17 AM - 3:47 AM

Action Rating: 3 out of 5

Saturday, June 27, 2026

Weather Forecast

Sunny
56.8°F
35.7°F
46.9°F
63%
0 in
7%
0%
16.8 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 3.01 μg/m3
PM10: 3.87 μg/m3
Carbon Monoxide: 96.38 μg/m3
Nitrogen Dioxide: 0.95 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 82.46 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:02 PM
Sunset: 8:26 PM
Daylight: 14 hrs 47 mins
Moonrise: 7:06 PM
Moon Transit: 11:38 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

6:36 AM - 9:06 AM
12:00 AM - 12:00 AM

Minor Periods

6:36 PM - 8:06 PM
2:54 AM - 4:24 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Sunny
59°F
32.5°F
45.9°F
50%
0 in
2%
0%
13 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 3.48 μg/m3
PM10: 4.72 μg/m3
Carbon Monoxide: 93.42 μg/m3
Nitrogen Dioxide: 1.27 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 96.17 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:02 PM
Sunset: 8:26 PM
Daylight: 14 hrs 47 mins
Moonrise: 7:59 PM
Moon Transit: 12:00 AM
Moonset: 4:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:27 AM - 9:57 AM

Minor Periods

7:29 PM - 8:59 PM
3:40 AM - 5:10 AM

Action Rating: 3 out of 5

Monday, June 29, 2026

Weather Forecast

Patchy rain nearby
60.1°F
37.6°F
48.9°F
44%
0.02 in
36%
0%
15 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 2.46 μg/m3
PM10: 2.99 μg/m3
Carbon Monoxide: 92.63 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 0.42 μg/m3
Ozone: 84.13 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:02 PM
Sunset: 8:26 PM
Daylight: 14 hrs 46 mins
Moonrise: 8:46 PM
Moon Transit: 12:30 AM
Moonset: 5:02 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
8:18 AM - 10:48 AM

Minor Periods

8:16 PM - 9:46 PM
4:32 AM - 6:02 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
64°F
41.5°F
52.2°F
39%
0 in
1%
0%
13.9 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 2.65 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 100.18 μg/m3
Nitrogen Dioxide: 1.63 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:03 PM
Sunset: 8:26 PM
Daylight: 14 hrs 46 mins
Moonrise: 9:26 PM
Moon Transit: 1:21 AM
Moonset: 5:59 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
9:09 AM - 11:39 AM

Minor Periods

8:56 PM - 10:26 PM
5:29 AM - 6:59 AM

Action Rating: 4 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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