Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

61.2°F

Measurement Time: Saturday, June 27, 2026, 3:00 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

38.1°F
Clear
Clear
35.2°F
38.1°F
75%
ESE 3.8 mph
8 mph
35.3°F
31.1°F
0 in
7%
6 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 58°F
L: 38°F
Sunny
Sun
H: 58°F
L: 34°F
Sunny
Mon
H: 63°F
L: 38°F
Sunny
Tue
H: 66°F
L: 44°F
Sunny
Wed
H: 67°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 2.7 μg/m3
PM10: 3 μg/m3
Carbon Monoxide: 96 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:01 PM
Sunset: 8:25 PM
Daylight: 14 hrs 47 mins
Moonrise: 7:05 PM
Moon Transit: 11:38 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

6:36 AM - 9:06 AM
12:00 AM - 12:00 AM

Minor Periods

6:35 PM - 8:05 PM
2:54 AM - 4:24 AM

Action Rating: 3 out of 5

Lake Wind Advisory issued June 27 at 12:33AM PDT until June 27 at 11:00PM PDT by NWS Reno NV

Effective: Sat June 27, 2026, 12:33 AM
Expires: Sat June 27, 2026, 11:00 PM

* WHAT...Southwest winds 15 to 25 mph with gusts up to 40 mph for Topaz Lake, Bridgeport Reservoir, Mono Lake, and Crowley Lake. * WHERE...Mono County. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve.

Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.
Saturday, June 27, 2026

Weather Forecast

Sunny
58°F
37.6°F
47.6°F
64%
0 in
17%
0%
15.9 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 2.75 μg/m3
PM10: 3.64 μg/m3
Carbon Monoxide: 96.17 μg/m3
Nitrogen Dioxide: 1.05 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 84.5 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:01 PM
Sunset: 8:25 PM
Daylight: 14 hrs 47 mins
Moonrise: 7:05 PM
Moon Transit: 11:38 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

6:36 AM - 9:06 AM
12:00 AM - 12:00 AM

Minor Periods

6:35 PM - 8:05 PM
2:54 AM - 4:24 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Sunny
57.9°F
33.5°F
46.1°F
46%
0 in
2%
0%
13.2 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 2.69 μg/m3
PM10: 3.37 μg/m3
Carbon Monoxide: 94.96 μg/m3
Nitrogen Dioxide: 1.23 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 88.88 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:02 PM
Sunset: 8:25 PM
Daylight: 14 hrs 47 mins
Moonrise: 7:59 PM
Moon Transit: 12:00 AM
Moonset: 4:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:27 AM - 9:57 AM

Minor Periods

7:29 PM - 8:59 PM
3:39 AM - 5:09 AM

Action Rating: 3 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
62.8°F
37.5°F
50.3°F
38%
0 in
2%
0%
12.1 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 1.36 μg/m3
PM10: 1.55 μg/m3
Carbon Monoxide: 91.83 μg/m3
Nitrogen Dioxide: 1.38 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 80.88 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:02 PM
Sunset: 8:25 PM
Daylight: 14 hrs 46 mins
Moonrise: 8:46 PM
Moon Transit: 12:29 AM
Moonset: 5:01 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:19 AM - 10:49 AM

Minor Periods

8:16 PM - 9:46 PM
4:31 AM - 6:01 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
66°F
44.2°F
54.3°F
33%
0 in
1%
0%
14.3 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 2.65 μg/m3
PM10: 3.26 μg/m3
Carbon Monoxide: 91.58 μg/m3
Nitrogen Dioxide: 1.63 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 99.38 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:02 PM
Sunset: 8:25 PM
Daylight: 14 hrs 46 mins
Moonrise: 9:25 PM
Moon Transit: 1:20 AM
Moonset: 5:59 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:50 AM - 3:20 AM
9:10 AM - 11:40 AM

Minor Periods

8:55 PM - 10:25 PM
5:29 AM - 6:59 AM

Action Rating: 4 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
66.6°F
41.6°F
53.6°F
35%
0 in
1%
0%
12.8 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 4.97 μg/m3
PM10: 7.28 μg/m3
Carbon Monoxide: 100.17 μg/m3
Nitrogen Dioxide: 1.18 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 117.17 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:02 PM
Sunset: 8:25 PM
Daylight: 14 hrs 45 mins
Moonrise: 10:00 PM
Moon Transit: 2:10 AM
Moonset: 7:00 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:40 AM - 4:10 AM
9:59 AM - 12:29 AM

Minor Periods

9:30 PM - 11:00 PM
6:30 AM - 8:00 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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