Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

70.0°F

Measurement Time: Wednesday, July 22, 2026, 1:45 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 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

54.4°F
Clear
Clear
45.5°F
54.4°F
78%
E 2.9 mph
6.1 mph
54.7°F
47.7°F
0 in
8%
6 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 76°F
L: 52°F
Sunny
Thu
H: 80°F
L: 53°F
Sunny
Fri
H: 82°F
L: 56°F
Sunny
Sat
H: 80°F
L: 57°F
Sunny
Sun
H: 79°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 3.4 μg/m3
PM10: 4.1 μg/m3
Carbon Monoxide: 97 μg/m3
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:05 PM
Sunset: 8:16 PM
Daylight: 14 hrs 22 mins
Moonrise: 2:58 PM
Moon Transit: 7:54 PM
Moonset: 12:15 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
7:24 PM - 9:54 PM

Minor Periods

2:28 PM - 3:58 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
75.7°F
52.2°F
63°F
55%
0 in
3%
0%
11.6 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 5.34 μg/m3
Carbon Monoxide: 93.75 μg/m3
Nitrogen Dioxide: 1.86 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 76.58 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:05 PM
Sunset: 8:16 PM
Daylight: 14 hrs 22 mins
Moonrise: 2:58 PM
Moon Transit: 7:54 PM
Moonset: 12:15 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
7:24 PM - 9:54 PM

Minor Periods

2:28 PM - 3:58 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
79.9°F
53.1°F
66.1°F
42%
0 in
1%
0%
12.5 mph
12.8


Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 92.5 μg/m3
Nitrogen Dioxide: 1.88 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 80.08 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:05 PM
Sunset: 8:15 PM
Daylight: 14 hrs 21 mins
Moonrise: 4:00 PM
Moon Transit: 8:42 PM
Moonset: 12:46 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
8:12 PM - 10:42 PM

Minor Periods

3:30 PM - 5:00 PM
12:16 AM - 1:46 AM

Action Rating: 4 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
81.5°F
56°F
68°F
30%
0 in
1%
0%
13.4 mph
12.4


Air Quality

AQI: 1 - Good
PM2.5: 3.18 μg/m3
PM10: 4.09 μg/m3
Carbon Monoxide: 90.83 μg/m3
Nitrogen Dioxide: 1.58 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 93.38 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:05 PM
Sunset: 8:15 PM
Daylight: 14 hrs 19 mins
Moonrise: 4:59 PM
Moon Transit: 9:32 PM
Moonset: 1:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

4:32 AM - 7:02 AM
9:02 PM - 11:32 PM

Minor Periods

4:29 PM - 5:59 PM
12:52 AM - 2:22 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
79.6°F
56.6°F
67.4°F
39%
0 in
1%
0%
12.1 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.06 μg/m3
PM10: 4.12 μg/m3
Carbon Monoxide: 95.63 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 101.29 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:05 PM
Sunset: 8:14 PM
Daylight: 14 hrs 18 mins
Moonrise: 5:54 PM
Moon Transit: 10:24 PM
Moonset: 2:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

5:22 AM - 7:52 AM
12:00 AM - 12:00 AM

Minor Periods

5:24 PM - 6:54 PM
1:35 AM - 3:05 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Sunny
79.2°F
56°F
66.6°F
32%
0 in
1%
0%
12.5 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 2.52 μg/m3
PM10: 3.03 μg/m3
Carbon Monoxide: 95.67 μg/m3
Nitrogen Dioxide: 1.38 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 98.29 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:05 PM
Sunset: 8:13 PM
Daylight: 14 hrs 16 mins
Moonrise: 6:43 PM
Moon Transit: 11:15 PM
Moonset: 2:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

6:14 AM - 8:44 AM
12:00 AM - 12:00 AM

Minor Periods

6:13 PM - 7:43 PM
2:25 AM - 3:55 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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