Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

61.0°F

Measurement Time: Wednesday, July 1, 2026, 5:45 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

43.3°F
Clear
Clear
40.5°F
43.3°F
52%
E 4.7 mph
9.9 mph
40.5°F
27°F
0 in
0%
6 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 67°F
L: 42°F
Sunny
Fri
H: 69°F
L: 42°F
Sunny
Sat
H: 75°F
L: 48°F
Sunny
Sun
H: 76°F
L: 50°F
Sunny
Mon
H: 77°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 4.6 μg/m3
PM10: 6.3 μg/m3
Carbon Monoxide: 96 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:02 PM
Sunset: 8:25 PM
Daylight: 14 hrs 45 mins
Moonrise: 10:29 PM
Moon Transit: 2:57 AM
Moonset: 8:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
10:45 AM - 1:15 PM

Minor Periods

9:59 PM - 11:29 PM
7:32 AM - 9:02 AM

Action Rating: 2 out of 5

Lake Wind Advisory issued July 1 at 10:30AM PDT until July 2 at 11:00PM PDT by NWS Hanford CA

Effective: Wed July 1, 2026, 10:30 AM
Expires: Wed July 1, 2026, 7:00 PM

* WHAT...West winds 5 to 15 mph with gusts up to 30 mph. * WHERE...West Side Mountains north of 198. * WHEN...Until 11 PM PDT Thursday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.

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


Lake Wind Advisory issued July 1 at 6:31PM PDT until July 2 at 11:00PM PDT by NWS Hanford CA

Effective: Wed July 1, 2026, 6:31 PM
Expires: Thu July 2, 2026, 2:45 AM

* WHAT...West winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...West Side Coastal Mountains north of 198 and San Luis Reservoir. * WHEN...Until 11 PM PDT Thursday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Thursday, July 2, 2026

Weather Forecast

Sunny
67°F
41.6°F
53.7°F
39%
0 in
1%
0%
12.5 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 5.62 μg/m3
PM10: 7.74 μg/m3
Carbon Monoxide: 96.04 μg/m3
Nitrogen Dioxide: 1.69 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 102.04 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:02 PM
Sunset: 8:25 PM
Daylight: 14 hrs 45 mins
Moonrise: 10:29 PM
Moon Transit: 2:57 AM
Moonset: 8:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
10:45 AM - 1:15 PM

Minor Periods

9:59 PM - 11:29 PM
7:32 AM - 9:02 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
69.1°F
41.9°F
55.3°F
40%
0 in
1%
0%
12.1 mph
11


Air Quality

AQI: 1 - Good
PM2.5: 5.68 μg/m3
PM10: 7.55 μg/m3
Carbon Monoxide: 97.21 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 99.46 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:03 PM
Sunset: 8:25 PM
Daylight: 14 hrs 44 mins
Moonrise: 10:55 PM
Moon Transit: 3:42 AM
Moonset: 9:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:12 AM - 5:42 AM
11:30 AM - 2:00 PM

Minor Periods

10:25 PM - 11:55 PM
8:35 AM - 10:05 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
74.9°F
47.8°F
60.6°F
38%
0 in
1%
0%
12.3 mph
12.1


Air Quality

AQI: 1 - Good
PM2.5: 4.44 μg/m3
PM10: 6.17 μg/m3
Carbon Monoxide: 96.83 μg/m3
Nitrogen Dioxide: 1.76 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 94.71 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:03 PM
Sunset: 8:25 PM
Daylight: 14 hrs 43 mins
Moonrise: 11:18 PM
Moon Transit: 4:26 AM
Moonset: 10:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:56 AM - 6:26 AM
12:13 AM - 2:43 PM

Minor Periods

12:00 AM - 12:00 AM
9:37 AM - 11:07 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Sunny
76.4°F
49.9°F
62.3°F
39%
0 in
1%
0%
12.3 mph
12.9


Air Quality

AQI: 1 - Good
PM2.5: 5.17 μg/m3
PM10: 7.55 μg/m3
Carbon Monoxide: 101.97 μg/m3
Nitrogen Dioxide: 1.26 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 101.92 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:03 PM
Sunset: 8:25 PM
Daylight: 14 hrs 43 mins
Moonrise: 12:18 AM
Moon Transit: 5:09 AM
Moonset: 11:09 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:39 AM - 7:09 AM
12:56 AM - 3:26 PM

Minor Periods

10:39 AM - 12:09 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 6, 2026

Weather Forecast

Sunny
77°F
49.8°F
62.5°F
32%
0 in
1%
0%
12.5 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 5.83 μg/m3
PM10: 7.92 μg/m3
Carbon Monoxide: 121.83 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 78.33 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:03 PM
Sunset: 8:24 PM
Daylight: 14 hrs 42 mins
Moonrise: 12:41 AM
Moon Transit: 5:52 AM
Moonset: 12:13 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

5:22 AM - 7:52 AM
9:45 AM - 12:15 AM

Minor Periods

11:43 AM - 1:13 PM
12:00 AM - 12:00 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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