Water Temperature of the Tuolumne River in Groveland, CA
Current Water Temperature
Measurement Time: Tuesday, April 21, 2026, 6:00 PM PDT
Temperature Locations
View Nearby Locations View All California Locations View Locations Near Me
Local Points of Interest
Hetch Hetchy Reservoir; Yosemite National Park; White Wolf, CAStation Name: TUOLUMNE R NR HETCH HETCHY CA
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 3,484 feet
Nearest Address:
Hetch Hetchy Road
Groveland, CA 95321
Tuolumne County
GPS Coordinates: 37.93742147, -119.7982326
Nearby Water Temperatures
Cherry Creek, Groveland, CA (6.8 mi)Tuolumne River, Groveland, CA (7.7 mi)
Tuolumne River, Groveland, CA (9.1 mi)
Tuolumne River, Groveland, CA (10.1 mi)
Merced River, Yosemite Valley, CA (19.3 mi)
Middle Fork San Joaquin River, Mammoth Lakes, CA (44.2 mi)
Deadman Creek, Mammoth Lakes, CA (48.6 mi)
Hot Creek, Mammoth Lakes, CA (55.1 mi)
Hot Creek, Mammoth Lakes, CA (55.6 mi)
Hot Creek, Mammoth Lakes, CA (56.7 mi)
San Joaquin River, Friant, CA (66 mi)
Trout Creek, South Lake Tahoe, CA (68.5 mi)
Upper Truckee River, South Lake Tahoe, CA (68.9 mi)
Walker Lake, Walker Lake, NV (78.6 mi)
General Creek, Tahoma, CA (78.9 mi)
Weather for Groveland, California
Current Weather

Five Day Weather Forecast

Wed
H: 32°F
L: 18°F

Thu
H: 38°F
L: 15°F

Fri
H: 39°F
L: 25°F

Sat
H: 34°F
L: 27°F

Sun
H: 34°F
L: 23°F
Air Quality
Nitrogen Dioxide: 0.88 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 103 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:42 PM
Daylight: 13 hrs 27 mins
Moon Transit: 6:20 PM
Moonset: 1:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%
Best Times for Fishing or Hunting
Major Periods
1:11 AM - 3:41 AM5:50 PM - 8:20 PM
Minor Periods
10:00 AM - 11:30 AM12:43 AM - 2:13 AM
Action Rating: 2 out of 5
Winter Storm Warning issued April 21 at 11:02AM PDT until April 22 at 5:00PM PDT by NWS Sacramento CA
Effective: Tue April 21, 2026, 11:02 AM
Expires: Wed April 22, 2026, 5:00 PM
* WHAT...Heavy snow. Additional snow accumulations of up to 6 to 12 inches above 5000 feet, with up to 18 inches at the highest peaks. Minor accumulations of up to 2 inches possible down to 4500 feet. Southwest winds could gust as high as 50 mph. * WHERE...Northern Sierra Nevada and southern Cascades above 5000 feet, including Highway 50, Interstate 80 and Lassen Volcanic National Park. * WHEN...Until 5 PM PDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday and Wednesday commutes. * ADDITIONAL DETAILS...Snow levels 5500 to 6500 feet today, lowering to 4500 to 5500 feet by early Wednesday. Locally lower snow levels possible in heavier convective showers. Heaviest snowfall expected this afternoon and evening with snowfall rates of 1 to 2 inches per hour at times.
Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1.
Flood Advisory issued April 21 at 1:28PM PDT until April 21 at 7:30PM PDT by NWS Sacramento CA
Effective: Tue April 21, 2026, 1:28 PM
Expires: Tue April 21, 2026, 7:30 PM
* WHAT...Urban and small stream flooding caused by thunderstorms. * WHERE...Portions of central and northern California, including the following counties, Placer, Amador, Calaveras, El Dorado, Nevada, Sacramento, San Joaquin, Stanislaus, Sutter, Tuolumne and Yolo. * WHEN...Until 730 PM PDT Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. Water over roadways. * ADDITIONAL DETAILS... - At 124 PM PDT, Doppler radar and rain gauges indicated heavy rain due to thunderstorms. Local emergency managers reported flooding. Minor flooding is ongoing or expected to begin shortly in the advisory area. Potential for isolated mud or rock slides in the foothills as the line of storms moves eastward. Between 0.5 and 1 inch of rain has fallen in the last 6 hours. - Some locations that will experience flooding include... Sacramento, Stockton, Modesto, Elk Grove, Roseville, Citrus Heights, Tracy, Folsom, Rocklin, Galt, Oakdale, Auburn, Placerville, Sonora, Jackson, Paloma, El Dorado Hills, Fair Oaks, Cameron Park and Carmichael. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Winter Storm Warning issued April 21 at 6:47PM PDT until April 22 at 5:00PM PDT by NWS Hanford CA
Effective: Tue April 21, 2026, 6:47 PM
Expires: Wed April 22, 2026, 3:00 AM
* WHAT...Heavy snow. Additional snow accumulations between 1 and 3 inches around 7,000 feet and up to one foot at the highest peaks. Winds gusting as high as 45 mph. * WHERE...Kaiser to Rodgers Ridge, Kings Canyon NP, Sequoia NP, Upper San Joaquin River, and Yosemite NP outside of the valley. * WHEN...Until 5 PM PDT Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Wednesday morning and evening commutes. Gusty winds could bring down tree branches.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 101.2 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:42 PM
Daylight: 13 hrs 27 mins
Moon Transit: 6:20 PM
Moonset: 1:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%
Best Times for Fishing or Hunting
Major Periods
1:11 AM - 3:41 AM5:50 PM - 8:20 PM
Minor Periods
10:00 AM - 11:30 AM12:43 AM - 2:13 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.73 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 115.68 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:43 PM
Daylight: 13 hrs 30 mins
Moon Transit: 7:17 PM
Moonset: 2:03 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
2:12 AM - 4:42 AM6:47 PM - 9:17 PM
Minor Periods
11:13 AM - 12:43 AM1:33 AM - 3:03 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.86 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 118.12 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:44 PM
Daylight: 13 hrs 32 mins
Moon Transit: 8:09 PM
Moonset: 2:42 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%
Best Times for Fishing or Hunting
Major Periods
3:07 AM - 5:37 AM7:39 PM - 10:09 PM
Minor Periods
12:25 AM - 1:55 PM2:12 AM - 3:42 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 123.52 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:44 PM
Daylight: 13 hrs 34 mins
Moon Transit: 8:57 PM
Moonset: 3:13 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%
Best Times for Fishing or Hunting
Major Periods
3:57 AM - 6:27 AM8:27 PM - 10:57 PM
Minor Periods
1:34 PM - 3:04 PM2:43 AM - 4:13 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.81 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 114.46 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 7:45 PM
Daylight: 13 hrs 36 mins
Moon Transit: 9:41 PM
Moonset: 3:40 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%
Best Times for Fishing or Hunting
Major Periods
4:44 AM - 7:14 AM9:11 PM - 11:41 PM
Minor Periods
2:39 PM - 4:09 PM3:10 AM - 4:40 AM
Action Rating: 2 out of 5
