Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

70.2°F

Measurement Time: Thursday, August 6, 2026, 4:45 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

82.5°F
Sunny
Sunny
72.7°F
78.9°F
15%
WSW 10.7 mph
12.3 mph
82.5°F
30.4°F
0 in
2%
6 mi
1017 mbar
10.2

Five Day Weather Forecast

Sunny
Thu
H: 84°F
L: 56°F
Partly Cloudy
Fri
H: 84°F
L: 59°F
Partly Cloudy
Sat
H: 84°F
L: 61°F
Sunny
Sun
H: 84°F
L: 59°F
Sunny
Mon
H: 83°F
L: 57°F

Air Quality

AQI: 2 - Moderate
PM2.5: 5.7 μg/m3
PM10: 6.5 μg/m3
Carbon Monoxide: 100 μg/m3
Nitrogen Dioxide: 0.1 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 116 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:04 PM
Sunset: 8:02 PM
Daylight: 13 hrs 56 mins
Moonrise: 12:37 AM
Moon Transit: 7:04 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
2:56 PM - 5:26 PM

Minor Periods

2:13 PM - 3:43 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
83.9°F
56.4°F
69.3°F
26%
0 in
1%
0%
14.5 mph
11


Air Quality

AQI: 2 - Moderate
PM2.5: 22.17 μg/m3
PM10: 23.62 μg/m3
Carbon Monoxide: 143.13 μg/m3
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 143.46 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:04 PM
Sunset: 8:02 PM
Daylight: 13 hrs 56 mins
Moonrise: 12:37 AM
Moon Transit: 7:04 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
2:56 PM - 5:26 PM

Minor Periods

2:13 PM - 3:43 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, August 7, 2026

Weather Forecast

Partly Cloudy
84.3°F
59.4°F
71°F
27%
0 in
3%
0%
9.2 mph
9.7


Air Quality

AQI: 2 - Moderate
PM2.5: 17.09 μg/m3
PM10: 18.17 μg/m3
Carbon Monoxide: 146.71 μg/m3
Nitrogen Dioxide: 2.52 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 121.42 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:04 PM
Sunset: 8:01 PM
Daylight: 13 hrs 54 mins
Moonrise: 12:19 AM
Moon Transit: 8:03 AM
Moonset: 3:56 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:33 AM - 10:03 AM
3:56 PM - 6:26 PM

Minor Periods

3:26 PM - 4:56 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, August 8, 2026

Weather Forecast

Partly Cloudy
83.6°F
60.8°F
71.1°F
30%
0 in
17%
0%
9.8 mph
9.5


Air Quality

AQI: 2 - Moderate
PM2.5: 22.33 μg/m3
PM10: 23.59 μg/m3
Carbon Monoxide: 155.83 μg/m3
Nitrogen Dioxide: 2.64 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 130.88 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:04 PM
Sunset: 8:00 PM
Daylight: 13 hrs 52 mins
Moonrise: 1:10 AM
Moon Transit: 9:06 AM
Moonset: 5:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.6%

Best Times for Fishing or Hunting

Major Periods

8:36 AM - 11:06 AM
5:01 PM - 7:31 PM

Minor Periods

4:35 PM - 6:05 PM
12:40 AM - 2:10 AM

Action Rating: 3 out of 5

Sunday, August 9, 2026

Weather Forecast

Sunny
84.3°F
58.6°F
69.8°F
30%
0 in
1%
0%
15.9 mph
10.6


Air Quality

AQI: 2 - Moderate
PM2.5: 23.22 μg/m3
PM10: 24.98 μg/m3
Carbon Monoxide: 185.6 μg/m3
Nitrogen Dioxide: 1.97 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 140.5 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:04 PM
Sunset: 7:59 PM
Daylight: 13 hrs 50 mins
Moonrise: 2:14 AM
Moon Transit: 10:11 AM
Moonset: 6:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.8%

Best Times for Fishing or Hunting

Major Periods

6:06 PM - 8:36 PM
9:41 AM - 12:11 AM

Minor Periods

5:35 PM - 7:05 PM
1:44 AM - 3:14 AM

Action Rating: 2 out of 5

Monday, August 10, 2026

Weather Forecast

Sunny
82.5°F
57.1°F
68.4°F
27%
0 in
1%
0%
14.1 mph
7


Air Quality

AQI: 2 - Moderate
PM2.5: 19.53 μg/m3
PM10: 21.25 μg/m3
Carbon Monoxide: 217.33 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 129.5 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:03 PM
Sunset: 7:58 PM
Daylight: 13 hrs 48 mins
Moonrise: 3:27 AM
Moon Transit: 11:15 AM
Moonset: 6:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

7:08 PM - 9:38 PM
10:45 AM - 1:15 PM

Minor Periods

6:24 PM - 7:54 PM
2:57 AM - 4:27 AM

Action Rating: 3 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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