Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

55.4°F

Measurement Time: Wednesday, June 10, 2026, 12:45 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

61.9°F
Sunny
Sunny
53.4°F
61.9°F
18%
WSW 2.5 mph
2.8 mph
61.8°F
19.3°F
0 in
0%
6 mi
1014 mbar
1.7

Five Day Weather Forecast

Sunny
Wed
H: 75°F
L: 48°F
Sunny
Thu
H: 76°F
L: 51°F
Sunny
Fri
H: 76°F
L: 52°F
Sunny
Sat
H: 74°F
L: 51°F
Sunny
Sun
H: 74°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 2.2 μg/m3
PM10: 4.8 μg/m3
Carbon Monoxide: 107 μg/m3
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:58 AM
Sunset: 8:21 PM
Daylight: 14 hrs 45 mins
Moonrise: 2:03 AM
Moon Transit: 8:42 AM
Moonset: 3:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
4:31 PM - 7:01 PM

Minor Periods

3:03 PM - 4:33 PM
1:33 AM - 3:03 AM

Action Rating: 2 out of 5

Heat Advisory issued June 9 at 6:49PM PDT until June 13 at 11:00PM PDT by NWS Hanford CA

Effective: Tue June 9, 2026, 6:49 PM
Expires: Wed June 10, 2026, 3:00 AM

* WHAT...High temperatures up to 105 expected. * WHERE...A portion of central California. * WHEN...From 11 AM Thursday to 11 PM PDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued June 10 at 3:01AM PDT until June 13 at 11:00PM PDT by NWS Hanford CA

Effective: Wed June 10, 2026, 3:01 AM
Expires: Wed June 10, 2026, 11:15 AM

* WHAT...High temperatures up to 105 expected. * WHERE...A portion of central California. * WHEN...From 11 AM Thursday to 11 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...-Moderate Heat Risk

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Wednesday, June 10, 2026

Weather Forecast

Sunny
74.5°F
47.7°F
61°F
29%
0 in
0%
0%
10.3 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 2.98 μg/m3
PM10: 5.43 μg/m3
Carbon Monoxide: 107.13 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 81.42 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:58 AM
Sunset: 8:21 PM
Daylight: 14 hrs 45 mins
Moonrise: 2:03 AM
Moon Transit: 8:42 AM
Moonset: 3:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
4:31 PM - 7:01 PM

Minor Periods

3:03 PM - 4:33 PM
1:33 AM - 3:03 AM

Action Rating: 2 out of 5

Thursday, June 11, 2026

Weather Forecast

Sunny
75.9°F
50.8°F
62.9°F
33%
0 in
1%
0%
12.3 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 2.27 μg/m3
PM10: 3.81 μg/m3
Carbon Monoxide: 109.08 μg/m3
Nitrogen Dioxide: 1.42 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 89.13 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:58 AM
Sunset: 8:21 PM
Daylight: 14 hrs 46 mins
Moonrise: 2:32 AM
Moon Transit: 9:33 AM
Moonset: 4:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

5:24 PM - 7:54 PM
9:03 AM - 11:33 AM

Minor Periods

4:18 PM - 5:48 PM
2:02 AM - 3:32 AM

Action Rating: 3 out of 5

Friday, June 12, 2026

Weather Forecast

Sunny
75.9°F
52°F
63.4°F
38%
0 in
1%
0%
13 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 2.98 μg/m3
PM10: 4.54 μg/m3
Carbon Monoxide: 108.46 μg/m3
Nitrogen Dioxide: 1.27 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 96.58 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:58 AM
Sunset: 8:22 PM
Daylight: 14 hrs 46 mins
Moonrise: 3:06 AM
Moon Transit: 10:29 AM
Moonset: 6:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

6:22 PM - 8:52 PM
9:59 AM - 12:29 AM

Minor Periods

5:35 PM - 7:05 PM
2:36 AM - 4:06 AM

Action Rating: 2 out of 5

Saturday, June 13, 2026

Weather Forecast

Sunny
73.7°F
50.9°F
61.5°F
34%
0 in
1%
0%
13.6 mph
12.2


Air Quality

AQI: 1 - Good
PM2.5: 3.6 μg/m3
PM10: 5.22 μg/m3
Carbon Monoxide: 109.79 μg/m3
Nitrogen Dioxide: 1.08 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 101.21 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:58 AM
Sunset: 8:22 PM
Daylight: 14 hrs 47 mins
Moonrise: 3:49 AM
Moon Transit: 11:31 AM
Moonset: 7:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

7:26 PM - 9:56 PM
11:01 AM - 1:31 PM

Minor Periods

6:53 PM - 8:23 PM
3:19 AM - 4:49 AM

Action Rating: 3 out of 5

Sunday, June 14, 2026

Weather Forecast

Sunny
73.9°F
48.7°F
61.1°F
30%
0 in
1%
0%
12.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.37 μg/m3
PM10: 6.7 μg/m3
Carbon Monoxide: 124.67 μg/m3
Nitrogen Dioxide: 2.2 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 90.33 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 47 mins
Moonrise: 4:43 AM
Moon Transit: 12:38 AM
Moonset: 8:37 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

8:33 PM - 11:03 PM
12:08 AM - 2:38 PM

Minor Periods

8:07 PM - 9:37 PM
4:13 AM - 5:43 AM

Action Rating: 6 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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