Water Temperature of the Tuolumne River in Groveland, CA
Current Water Temperature
Measurement Time: Wednesday, November 26, 2025, 4:30 PM PST
Temperature Locations
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Local Points of Interest
Stanislaus National Forest; Mather, CA; Harden Flat, CASponsored Content
Station Name: TUOLUMNE R AB EARLY INTAKE NR MATHER CA
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 2,493 feet / 760 meters
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 (50.0 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 (63.0 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

Humidity: 100%
Feels Like: 34.7°F
Wind: ENE 6.5 mph
Wind Gusts: 13.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 8 mi
UV Index: 0
Five Day Weather Forecast

Thu
H: 68°F
L: 40°F

Fri
H: 63°F
L: 39°F

Sat
H: 62°F
L: 33°F

Sun
H: 56°F
L: 31°F

Mon
H: 59°F
L: 31°F
Air Quality
Nitrogen Dioxide: 6.95 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 50 μg/m3
Astronomical
Sun Transit: 11:47 AM
Sunset: 4:42 PM
Daylight: 9 hrs 49 mins
Moon Transit: 5:53 PM
Moonset: 11:33 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%
Best Times for Fishing or Hunting
Major Periods
12:53 AM - 3:23 AM5:23 PM - 7:53 PM
Minor Periods
12:00 AM - 12:00 AM11:54 AM - 1:24 PM
Action Rating: 2 out of 5
Dense Fog Advisory issued November 26 at 1:35PM PST until November 27 at 11:00AM PST by NWS Sacramento CA
Effective: Wed November 26, 2025, 1:35 PM
Expires: Thu November 27, 2025, 11:00 AM
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Carquinez Strait and Delta, Sacramento Valley, and Northern San Joaquin Valley. * WHEN...From midnight tonight to 11 AM PST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Find the latest road conditions at quickmap.dot.ca.gov
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Dense Fog Advisory issued November 26 at 11:01AM PST until November 27 at 1:00PM PST by NWS Hanford CA
Effective: Wed November 26, 2025, 11:01 AM
Expires: Wed November 26, 2025, 6:15 PM
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Across the San Joaquin Valley portion of Central California. * WHEN...Until 1 PM PST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Highways impacted include, but are not limited to, Interstate 5, as well as California State Routes 99, 33, 41, 43, 46, 59, 152, 165, 168, 180, and 198.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Dense Fog Advisory issued November 26 at 9:43PM PST until November 27 at 1:00PM PST by NWS Hanford CA
Effective: Wed November 26, 2025, 9:43 PM
Expires: Thu November 27, 2025, 7:30 AM
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...A portion of central California. * WHEN...Until 1 PM PST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Highways impacted include, but are not limited to, Interstate 5, as well as California State Routes 99, 33, 41, 43, 46, 59, 152, 165, 168, 180, and 198.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Weather Forecast
Average Temperature: 54.6°F
Average Humidity: 36%
Wind: 6.9 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 6.56 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 56.68 μg/m3
Astronomical
Sun Transit: 11:47 AM
Sunset: 4:42 PM
Daylight: 9 hrs 49 mins
Moon Transit: 5:53 PM
Moonset: 11:33 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%
Best Times for Fishing or Hunting
Major Periods
12:53 AM - 3:23 AM5:23 PM - 7:53 PM
Minor Periods
12:00 AM - 12:00 AM11:54 AM - 1:24 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 51.1°F
Average Humidity: 39%
Wind: 6.5 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 6.24 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 66.04 μg/m3
Astronomical
Sun Transit: 11:47 AM
Sunset: 4:42 PM
Daylight: 9 hrs 47 mins
Moon Transit: 6:39 PM
Moonset: 12:33 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%
Best Times for Fishing or Hunting
Major Periods
1:39 AM - 4:09 AM6:09 PM - 8:39 PM
Minor Periods
12:19 AM - 1:49 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 44.3°F
Average Humidity: 65%
Wind: 5.8 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 6.43 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 61.52 μg/m3
Astronomical
Sun Transit: 11:48 AM
Sunset: 4:41 PM
Daylight: 9 hrs 46 mins
Moon Transit: 6:12 PM
Moonset: 12:40 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%
Best Times for Fishing or Hunting
Major Periods
2:24 AM - 4:54 AM5:42 PM - 8:12 PM
Minor Periods
12:44 AM - 2:14 PM12:10 AM - 1:40 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 40.2°F
Average Humidity: 51%
Wind: 5.6 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 8.57 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 49.92 μg/m3
Astronomical
Sun Transit: 11:48 AM
Sunset: 4:41 PM
Daylight: 9 hrs 45 mins
Moon Transit: 8:13 PM
Moonset: 1:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:43 PM - 10:13 PM
Minor Periods
1:09 PM - 2:39 PM1:18 AM - 2:48 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 37.5°F
Average Humidity: 44%
Wind: 6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 11:49 AM
Sunset: 4:41 PM
Daylight: 9 hrs 44 mins
Moon Transit: 9:05 PM
Moonset: 3:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
4:00 AM - 6:30 AM8:35 PM - 11:05 PM
Minor Periods
1:38 PM - 3:08 PM2:30 AM - 4:00 AM
Action Rating: 3 out of 5
