Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

64.0°F

Measurement Time: Thursday, June 18, 2026, 6:30 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

72.4°F
Thundery outbreaks in nearby
Thundery outbreaks in nearby
61°F
75.2°F
31%
W 7.4 mph
8.5 mph
72.4°F
42.9°F
0 in
77%
5 mi
1012 mbar
9.7

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 77°F
L: 53°F
Patchy rain nearby
Fri
H: 69°F
L: 47°F
Sunny
Sat
H: 68°F
L: 43°F
Sunny
Sun
H: 72°F
L: 47°F
Sunny
Mon
H: 75°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 5.1 μg/m3
PM10: 8.7 μg/m3
Carbon Monoxide: 107 μg/m3
Nitrogen Dioxide: 0.2 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 116 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 48 mins
Moonrise: 9:37 AM
Moon Transit: 4:45 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:15 PM - 6:45 PM

Minor Periods

9:07 AM - 10:37 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Lake Wind Advisory issued June 18 at 11:46AM PDT until June 19 at 5:00AM PDT by NWS Hanford CA

Effective: Thu June 18, 2026, 11:46 AM
Expires: Thu June 18, 2026, 8:00 PM

* WHAT...West winds 15 to 25 mph with gusts up to 40 mph. * WHERE...San Luis Reservoir near Pacheco Pass. * WHEN...Until 5 AM PDT Friday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Gusty winds also expected through Pacheco Pass along SR 152.

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


Lake Wind Advisory issued June 18 at 3:41AM PDT until June 19 at 5:00AM PDT by NWS Hanford CA

Effective: Thu June 18, 2026, 3:41 AM
Expires: Thu June 18, 2026, 12:00 PM

* WHAT...West winds 15 to 25 mph with gusts up to 40 mph. * WHERE...San Luis Reservoir near Pacheco Pass. * WHEN...Until 5 AM PDT Friday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Gusty winds also expected through Pacheco Pass along SR 152.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Thursday, June 18, 2026

Weather Forecast

Patchy rain nearby
76.7°F
53.2°F
63.1°F
49%
0.06 in
57%
0%
7.4 mph
11.6


Air Quality

AQI: 1 - Good
PM2.5: 6.92 μg/m3
PM10: 9.08 μg/m3
Carbon Monoxide: 104.67 μg/m3
Nitrogen Dioxide: 1.63 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 93.67 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 48 mins
Moonrise: 9:37 AM
Moon Transit: 4:45 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:15 PM - 6:45 PM

Minor Periods

9:07 AM - 10:37 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Patchy rain nearby
68.8°F
46.5°F
57.8°F
60%
0.02 in
36%
0%
13 mph
11.9


Air Quality

AQI: 1 - Good
PM2.5: 7.95 μg/m3
PM10: 10.36 μg/m3
Carbon Monoxide: 103.75 μg/m3
Nitrogen Dioxide: 1.22 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 93.42 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 48 mins
Moonrise: 10:49 AM
Moon Transit: 5:34 PM
Moonset: 12:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
5:04 PM - 7:34 PM

Minor Periods

10:19 AM - 11:49 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 20, 2026

Weather Forecast

Sunny
68.3°F
42.8°F
55.4°F
47%
0 in
1%
0%
11.6 mph
12.2


Air Quality

AQI: 1 - Good
PM2.5: 5.63 μg/m3
PM10: 7.94 μg/m3
Carbon Monoxide: 99.96 μg/m3
Nitrogen Dioxide: 1.42 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 48 mins
Moonrise: 11:56 AM
Moon Transit: 6:20 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
5:50 PM - 8:20 PM

Minor Periods

11:26 AM - 12:56 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 21, 2026

Weather Forecast

Sunny
71.6°F
46.7°F
58.5°F
38%
0 in
1%
0%
11.9 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 4.27 μg/m3
PM10: 5.9 μg/m3
Carbon Monoxide: 102.26 μg/m3
Nitrogen Dioxide: 1.9 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 82.25 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
74.9°F
51.3°F
62.2°F
36%
0 in
1%
0%
11 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 5.72 μg/m3
Carbon Monoxide: 117.83 μg/m3
Nitrogen Dioxide: 4.17 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 48.83 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

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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