Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

65.3°F

Measurement Time: Sunday, June 21, 2026, 9:15 AM 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 A GRAND CYN OF TUOLUMNE AB HETCH HETCHY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 3,842 feet

Nearest Address:
White Wolf Road
Groveland, CA 95321
Tuolumne County

GPS Coordinates: 37.9165884, -119.6598938

Nearby Water Temperatures

Tuolumne River, Groveland, CA (7.7 mi)
Merced River, Yosemite Valley, CA (13.9 mi)
Cherry Creek, Groveland, CA (14.5 mi)
Tuolumne River, Groveland, CA (15.9 mi)
Tuolumne River, Groveland, CA (17.1 mi)
Middle Fork San Joaquin River, Mammoth Lakes, CA (37 mi)
Deadman Creek, Mammoth Lakes, CA (41 mi)
Hot Creek, Mammoth Lakes, CA (47.6 mi)
Hot Creek, Mammoth Lakes, CA (48.1 mi)
Hot Creek, Mammoth Lakes, CA (49.1 mi)
San Joaquin River, Friant, CA (64.5 mi)
Trout Creek, South Lake Tahoe, CA (71.4 mi)
Upper Truckee River, South Lake Tahoe, CA (71.8 mi)
Walker Lake, Walker Lake, NV (74.3 mi)
Walker Lake, Walker Lake, NV (76.8 mi)

Weather for Groveland, California

Current Weather

68.7°F
Sunny
Sunny
56.1°F
69.5°F
32%
WSW 9.6 mph
11.1 mph
68.7°F
38.4°F
0 in
2%
6 mi
1011 mbar
6.3

Five Day Weather Forecast

Sunny
Sun
H: 70°F
L: 46°F
Sunny
Mon
H: 73°F
L: 49°F
Sunny
Tue
H: 76°F
L: 50°F
Sunny
Wed
H: 75°F
L: 50°F
Sunny
Thu
H: 73°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 4.2 μg/m3
Carbon Monoxide: 100 μg/m3
Nitrogen Dioxide: 0.2 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 109 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 48 mins
Moonrise: 1:00 PM
Moon Transit: 7:03 PM
Moonset: 12:35 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

2:07 AM - 4:37 AM
6:33 PM - 9:03 PM

Minor Periods

12:30 AM - 2:00 PM
12:05 AM - 1:35 AM

Action Rating: 2 out of 5

Lake Wind Advisory issued June 21 at 10:56AM PDT until June 21 at 11:00PM PDT by NWS Hanford CA

Effective: Sun June 21, 2026, 10:56 AM
Expires: Sun June 21, 2026, 6:00 PM

* WHAT...West winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...At the San Luis Reservoir with strong gusty winds also being observed along the Coastal Range (West Hills) north of Highway 198. * WHEN...From 5 PM this afternoon to 11 PM PDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Sunday, June 21, 2026

Weather Forecast

Sunny
70°F
46°F
58°F
43%
0 in
1%
0%
11 mph
12.1


Air Quality

AQI: 1 - Good
PM2.5: 3.1 μg/m3
PM10: 3.71 μg/m3
Carbon Monoxide: 98.33 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 80.96 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 48 mins
Moonrise: 1:00 PM
Moon Transit: 7:03 PM
Moonset: 12:35 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

2:07 AM - 4:37 AM
6:33 PM - 9:03 PM

Minor Periods

12:30 AM - 2:00 PM
12:05 AM - 1:35 AM

Action Rating: 2 out of 5

Monday, June 22, 2026

Weather Forecast

Sunny
73.3°F
49.3°F
60.7°F
43%
0 in
1%
0%
11.2 mph
12.1


Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 4.93 μg/m3
Carbon Monoxide: 101.75 μg/m3
Nitrogen Dioxide: 1.89 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 84.92 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 48 mins
Moonrise: 2:02 PM
Moon Transit: 7:45 PM
Moonset: 12:57 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

2:50 AM - 5:20 AM
7:15 PM - 9:45 PM

Minor Periods

1:32 PM - 3:02 PM
12:27 AM - 1:57 AM

Action Rating: 3 out of 5

Tuesday, June 23, 2026

Weather Forecast

Sunny
76.4°F
49.6°F
62.1°F
33%
0 in
1%
0%
11.4 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 5 μg/m3
PM10: 7.08 μg/m3
Carbon Monoxide: 107.5 μg/m3
Nitrogen Dioxide: 1.43 μg/m3
Sulphur Dioxide: 0.79 μg/m3
Ozone: 100.17 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:01 PM
Sunset: 8:25 PM
Daylight: 14 hrs 48 mins
Moonrise: 3:03 PM
Moon Transit: 8:28 PM
Moonset: 1:20 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

3:32 AM - 6:02 AM
7:58 PM - 10:28 PM

Minor Periods

2:33 PM - 4:03 PM
12:50 AM - 2:20 AM

Action Rating: 4 out of 5

Wednesday, June 24, 2026

Weather Forecast

Sunny
74.8°F
50.3°F
61.8°F
26%
0 in
0%
0%
12.5 mph
12.4


Air Quality

AQI: 1 - Good
PM2.5: 5.18 μg/m3
PM10: 7.58 μg/m3
Carbon Monoxide: 122.92 μg/m3
Nitrogen Dioxide: 1.23 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 113.21 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:01 PM
Sunset: 8:25 PM
Daylight: 14 hrs 48 mins
Moonrise: 4:05 PM
Moon Transit: 9:12 PM
Moonset: 1:46 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

4:15 AM - 6:45 AM
8:42 PM - 11:12 PM

Minor Periods

3:35 PM - 5:05 PM
1:16 AM - 2:46 AM

Action Rating: 3 out of 5

Thursday, June 25, 2026

Weather Forecast

Sunny
73.3°F
48.5°F
60.1°F
27%
0 in
0%
0%
13 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.5 μg/m3
PM10: 7.88 μg/m3
Carbon Monoxide: 123.67 μg/m3
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 100.5 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:01 PM
Sunset: 8:25 PM
Daylight: 14 hrs 48 mins
Moonrise: 5:06 PM
Moon Transit: 9:58 PM
Moonset: 2:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

5:00 AM - 7:30 AM
9:28 PM - 11:58 PM

Minor Periods

4:36 PM - 6:06 PM
1:44 AM - 3:14 AM

Action Rating: 2 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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