Water Temperature of the Tuolumne River in Groveland, CA
Current Water Temperature
Measurement Time: Thursday, July 10, 2025, 11:00 AM PDT
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: 14%
Feels Like: 93.7°F
Wind: W 7.2 mph
Wind Gusts: 8.2 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.5
Five Day Weather Forecast

Thu
H: 91°F
L: 57°F

Fri
H: 94°F
L: 61°F

Sat
H: 93°F
L: 65°F

Sun
H: 95°F
L: 62°F

Mon
H: 98°F
L: 60°F
Air Quality
Nitrogen Dioxide: 14.06 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 66 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:24 PM
Daylight: 14 hrs 38 mins
Moon Transit: 12:39 AM
Moonset: 5:14 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:09 AM - 2:39 AM8:28 AM - 10:58 AM
Minor Periods
8:23 PM - 9:53 PM4:44 AM - 6:14 AM
Action Rating: 5 out of 5
Heat Advisory issued July 10 at 4:03PM PDT until July 15 at 11:00PM PDT by NWS Hanford CA
Effective: Thu July 10, 2025, 4:03 PM
Expires: Thu July 10, 2025, 11:30 PM
* WHAT...High temperatures up to 105 expected. * WHERE...The San Joaquin Valley area of Central California and a portion of the Sierra Nevada Foothills. * WHEN...From 11 AM Friday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 10 at 4:03PM PDT until July 15 at 11:00PM PDT by NWS Hanford CA
Effective: Thu July 10, 2025, 4:03 PM
Expires: Thu July 10, 2025, 11:30 PM
* WHAT...High temperatures up to 105 expected. * WHERE...The San Joaquin Valley area of Central California and a portion of the Sierra Nevada Foothills. * WHEN...From 11 AM Friday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 10 at 4:03PM PDT until July 15 at 11:00PM PDT by NWS Hanford CA
Effective: Thu July 10, 2025, 4:03 PM
Expires: Thu July 10, 2025, 11:30 PM
* WHAT...High temperatures up to 105 expected. * WHERE...The San Joaquin Valley area of Central California and a portion of the Sierra Nevada Foothills. * WHEN...From 11 AM Friday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Weather Forecast
Average Temperature: 76.7°F
Average Humidity: 28%
Wind: 9.4 mph
UV Index: 3.1
Air Quality
Nitrogen Dioxide: 7.44 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 102.04 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:24 PM
Daylight: 14 hrs 38 mins
Moon Transit: 12:39 AM
Moonset: 5:14 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:09 AM - 2:39 AM8:28 AM - 10:58 AM
Minor Periods
8:23 PM - 9:53 PM4:44 AM - 6:14 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 78.8°F
Average Humidity: 27%
Wind: 10.3 mph
UV Index: 3.2
Air Quality
Nitrogen Dioxide: 6.9 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 116.2 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:24 PM
Daylight: 14 hrs 36 mins
Moon Transit: 1:33 AM
Moonset: 6:20 AM
Moon Phase: Full
Moon Illumination: 97.4%
Best Times for Fishing or Hunting
Major Periods
1:03 AM - 3:33 AM9:21 AM - 11:51 AM
Minor Periods
9:00 PM - 10:30 PM5:50 AM - 7:20 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 80.7°F
Average Humidity: 29%
Wind: 9.8 mph
UV Index: 3.1
Air Quality
Nitrogen Dioxide: 7.06 μg/m3
Sulphur Dioxide: 2.16 μg/m3
Ozone: 125.2 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:23 PM
Daylight: 14 hrs 35 mins
Moon Transit: 2:26 AM
Moonset: 7:28 AM
Moon Phase: Full
Moon Illumination: 92.7%
Best Times for Fishing or Hunting
Major Periods
1:56 AM - 4:26 AM10:13 AM - 12:43 AM
Minor Periods
9:33 PM - 11:03 PM6:58 AM - 8:28 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 79.5°F
Average Humidity: 31%
Wind: 9.8 mph
UV Index: 3.2
Air Quality
Nitrogen Dioxide: 7.2 μg/m3
Sulphur Dioxide: 2.42 μg/m3
Ozone: 122 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:23 PM
Daylight: 14 hrs 34 mins
Moon Transit: 3:15 AM
Moonset: 8:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
2:45 AM - 5:15 AM11:02 AM - 1:32 PM
Minor Periods
10:01 PM - 11:31 PM8:08 AM - 9:38 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 77.8°F
Average Humidity: 20%
Wind: 9.6 mph
UV Index: 3.1
Air Quality
Nitrogen Dioxide: 9.46 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 101.08 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:22 PM
Daylight: 14 hrs 33 mins
Moon Transit: 4:03 AM
Moonset: 9:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
3:33 AM - 6:03 AM11:49 AM - 2:19 PM
Minor Periods
10:27 PM - 11:57 PM9:16 AM - 10:46 AM
Action Rating: 3 out of 5