Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

51.4°F

Measurement Time: Tuesday, November 3, 2026, 6:45 PM PST

Temperature Locations

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Local Points of Interest

Stanislaus National Forest; Mather, CA; Harden Flat, CA

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Tuolumne River

Station Name: TUOLUMNE R AB EARLY INTAKE NR MATHER CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 2,493 feet

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 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 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

33.6°F
Clear
Conditions: Clear
Humidity: 84%
Feels Like: 26.8°F
Wind: ENE 8.1 mph
Wind Gusts: 8.3 mph
Pressure: 30.11 in
Precipitation: 0 in
Cloud Cover: 2%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Sunny
Wed
H: 61°F
L: 29°F
Sunny
Thu
H: 64°F
L: 32°F
Sunny
Fri
H: 68°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 2.9 μg/m3
PM10: 3.4 μg/m3
Carbon Monoxide: 108 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 33 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 11:43 AM
Sunset: 4:58 PM
Daylight: 10 hrs 29 mins
Moonrise: 1:50 AM
Moon Transit: 8:16 AM
Moonset: 2:32 PM
Moon Phase: Last Quarter
Moon Illumination: 18.5%

Best Times for Fishing or Hunting

Major Periods

7:46 AM - 10:16 AM
4:01 PM - 6:31 PM

Minor Periods

2:02 PM - 3:32 PM
1:20 AM - 2:50 AM

Action Rating: 2 out of 5

Dense Fog Advisory issued November 3 at 8:39PM PST until November 4 at 10:00AM PST by NWS Hanford CA

Effective: Tue November 3, 2026, 8:39 PM
Expires: Wed November 4, 2026, 5:00 AM

* WHAT...Visibility lowering to a quarter mile or less in dense fog. * WHERE...A portion of central California. * WHEN...From midnight tonight to 10 AM PST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Highways impacted include State Routes 33, 41, 43, 99, 140, 145, 152, 168, 180 and 198.
Wednesday, November 4, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 42.2°F
Average Humidity: 69%
Chance of Rain: 7%
Wind: 8.9 mph
UV Index: 4

Astronomical

Sunrise: 6:29 AM
Sun Transit: 11:43 AM
Sunset: 4:58 PM
Daylight: 10 hrs 29 mins
Moonrise: 1:50 AM
Moon Transit: 8:16 AM
Moonset: 2:32 PM
Moon Phase: Last Quarter
Moon Illumination: 18.5%

Best Times for Fishing or Hunting

Major Periods

7:46 AM - 10:16 AM
4:01 PM - 6:31 PM

Minor Periods

2:02 PM - 3:32 PM
1:20 AM - 2:50 AM

Action Rating: 2 out of 5

Thursday, November 5, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 46.1°F
Average Humidity: 54%
Chance of Rain: 4%
Wind: 8.3 mph
UV Index: 3.8

Astronomical

Sunrise: 6:30 AM
Sun Transit: 11:43 AM
Sunset: 4:57 PM
Daylight: 10 hrs 27 mins
Moonrise: 2:55 AM
Moon Transit: 9:00 AM
Moonset: 2:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.6%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
4:45 PM - 7:15 PM

Minor Periods

2:26 PM - 3:56 PM
2:25 AM - 3:55 AM

Action Rating: 3 out of 5

Friday, November 6, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 49.1°F
Average Humidity: 38%
Chance of Rain: 2%
Wind: 8.9 mph
UV Index: 3.8

Astronomical

Sunrise: 6:31 AM
Sun Transit: 11:43 AM
Sunset: 4:56 PM
Daylight: 10 hrs 25 mins
Moonrise: 3:59 AM
Moon Transit: 9:43 AM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.7%

Best Times for Fishing or Hunting

Major Periods

5:30 PM - 8:00 PM
9:13 AM - 11:43 AM

Minor Periods

2:50 PM - 4:20 PM
3:29 AM - 4:59 AM

Action Rating: 2 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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