Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

65.7°F

Measurement Time: Friday, June 26, 2026, 12:00 PM PDT

Temperature Locations

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Local Points of Interest

Stanislaus National Forest; Mather, CA; Harden Flat, CA

Tuolumne River

Station Name: TUOLUMNE R AB EARLY INTAKE NR MATHER CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 2,493 feet

Nearest Address:
Preston Falls Trail
Groveland, CA 95321
Tuolumne County

GPS Coordinates: 37.87936848, -119.947126

Nearby Water Temperatures

Tuolumne River, Groveland, CA (1.3 mi)
Cherry Creek, Groveland, CA (6.3 mi)
Tuolumne River, Groveland, CA (9.1 mi)
Tuolumne River, Groveland, CA (15.9 mi)
Merced River, Yosemite Valley, CA (23.5 mi)
Middle Fork San Joaquin River, Mammoth Lakes, CA (50 mi)
Deadman Creek, Mammoth Lakes, CA (55.7 mi)
Hot Creek, Mammoth Lakes, CA (61.6 mi)
Hot Creek, Mammoth Lakes, CA (62.1 mi)
San Joaquin River, Friant, CA (63 mi)
Hot Creek, Mammoth Lakes, CA (63.4 mi)
Trout Creek, South Lake Tahoe, CA (71.9 mi)
Upper Truckee River, South Lake Tahoe, CA (72.1 mi)
General Creek, Tahoma, CA (81.5 mi)
South Fork American River, Rescue, CA (83.9 mi)

Weather for Groveland, California

Current Weather

74.7°F
Sunny
Sunny
63.7°F
77.1°F
44%
W 6.7 mph
7.7 mph
74.7°F
54.2°F
0 in
0%
6 mi
1011 mbar
0.4

Five Day Weather Forecast

Sunny
Fri
H: 84°F
L: 63°F
Sunny
Sat
H: 74°F
L: 46°F
Sunny
Sun
H: 76°F
L: 43°F
Sunny
Mon
H: 74°F
L: 46°F
Sunny
Tue
H: 80°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 99 μg/m3
Nitrogen Dioxide: 0.5 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:02 PM
Sunset: 8:26 PM
Daylight: 14 hrs 47 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

5:46 AM - 8:16 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

Wind Advisory issued June 26 at 6:47AM PDT until June 27 at 5:00AM PDT by NWS Hanford CA

Effective: Fri June 26, 2026, 6:47 AM
Expires: Fri June 26, 2026, 3:00 PM

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Kings Canyon NP, Sequoia NP, South End of the Upper Sierra, Upper San Joaquin River, and Yosemite NP outside of the valley. * WHEN...From 11 AM this morning to 5 AM PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

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


Wind Advisory issued June 26 at 12:50PM PDT until June 27 at 5:00AM PDT by NWS Hanford CA

Effective: Fri June 26, 2026, 12:50 PM
Expires: Fri June 26, 2026, 9:00 PM

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Kings Canyon NP, Sequoia NP, South End of the Upper Sierra, Upper San Joaquin River, and Yosemite NP outside of the valley. * WHEN...Until 5 AM PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Friday, June 26, 2026

Weather Forecast

Sunny
83.5°F
63°F
71.7°F
42%
0 in
1%
0%
9.4 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.69 μg/m3
PM10: 7.65 μg/m3
Carbon Monoxide: 98.33 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 71.17 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:02 PM
Sunset: 8:26 PM
Daylight: 14 hrs 47 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

5:46 AM - 8:16 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
73.6°F
45.6°F
61.2°F
53%
0 in
3%
0%
11.2 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 4.76 μg/m3
Carbon Monoxide: 99.04 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 60.04 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: 11:39 PM
Moonset: 3:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

6:35 AM - 9:05 AM
12:00 AM - 12:00 AM

Minor Periods

6:36 PM - 8:06 PM
2:55 AM - 4:25 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Sunny
76.3°F
42.6°F
59.7°F
40%
0 in
1%
0%
10.5 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 3.66 μg/m3
PM10: 4.83 μg/m3
Carbon Monoxide: 95.04 μg/m3
Nitrogen Dioxide: 3.51 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 73.42 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:03 PM
Sunset: 8:26 PM
Daylight: 14 hrs 47 mins
Moonrise: 8:00 PM
Moon Transit: 12:00 AM
Moonset: 4:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:26 AM - 9:56 AM

Minor Periods

7:30 PM - 9:00 PM
3:41 AM - 5:11 AM

Action Rating: 3 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
73.5°F
45.6°F
59.8°F
35%
0 in
1%
0%
11.6 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 3.07 μg/m3
PM10: 3.92 μg/m3
Carbon Monoxide: 99.21 μg/m3
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 79.25 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:03 PM
Sunset: 8:26 PM
Daylight: 14 hrs 46 mins
Moonrise: 8:47 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

8:17 PM - 9:47 PM
4:32 AM - 6:02 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
80.2°F
45.8°F
62.8°F
33%
0 in
1%
0%
10.1 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 2.75 μg/m3
PM10: 2.98 μg/m3
Carbon Monoxide: 131.67 μg/m3
Nitrogen Dioxide: 9.05 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 31.33 μg/m3

Astronomical

Sunrise: 5:41 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: 6:00 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
9:08 AM - 11:38 AM

Minor Periods

8:56 PM - 10:26 PM
5:30 AM - 7:00 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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