Water Temperature of the Tuolumne River in Groveland, CA
Current Water Temperature
52.3°F
Measurement Time: Thursday, March 12, 2026, 1:45 PM PDT
Temperature Locations
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Local Points of Interest
Stanislaus National Forest; Mather, CA; Harden Flat, CATuolumne 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
60.3°F

Clear
60.3°F
60.5°F
57%
ENE 6 mph
12.7 mph
60.3°F
44.5°F
0 in
0%
6 mi
1022 mbar
0
Five Day Weather Forecast

Thu
H: 76°F
L: 51°F

Fri
H: 72°F
L: 47°F

Sat
H: 70°F
L: 47°F

Sun
H: 71°F
L: 45°F

Mon
H: 78°F
L: 49°F
Air Quality
AQI:
1 - Good
PM2.5:
2.85 μg/m3
PM10:
3.45 μg/m3
Carbon Monoxide: 121.85 μg/m3
Nitrogen Dioxide: 5.95 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 37 μg/m3
Nitrogen Dioxide: 5.95 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 37 μg/m3
Astronomical
Sunrise: 7:15 AM
Sun Transit: 12:00 AM
Sunset: 7:04 PM
Daylight: 11 hrs 49 mins
Sun Transit: 12:00 AM
Sunset: 7:04 PM
Daylight: 11 hrs 49 mins
Moonrise: 3:33 AM
Moon Transit: 8:03 AM
Moonset: 12:35 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%
Moon Transit: 8:03 AM
Moonset: 12:35 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%
Best Times for Fishing or Hunting
Major Periods
7:33 AM - 10:03 AM3:51 PM - 6:21 PM
Minor Periods
12:05 AM - 1:35 PM3:03 AM - 4:33 AM
Action Rating: 3 out of 5
Thursday, March 12, 2026
Weather Forecast
Sunny
76.1°F
51.3°F
62.2°F
45%
0 in
0%
0%
6.9 mph
1.5
Air Quality
AQI:
1 - Good
PM2.5:
5.57 μg/m3
PM10:
11.02 μg/m3
Carbon Monoxide: 148.09 μg/m3
Nitrogen Dioxide: 5.4 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 63.56 μg/m3
Nitrogen Dioxide: 5.4 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 63.56 μg/m3
Astronomical
Sunrise: 7:15 AM
Sun Transit: 12:00 AM
Sunset: 7:04 PM
Daylight: 11 hrs 49 mins
Sun Transit: 12:00 AM
Sunset: 7:04 PM
Daylight: 11 hrs 49 mins
Moonrise: 3:33 AM
Moon Transit: 8:03 AM
Moonset: 12:35 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%
Moon Transit: 8:03 AM
Moonset: 12:35 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%
Best Times for Fishing or Hunting
Major Periods
7:33 AM - 10:03 AM3:51 PM - 6:21 PM
Minor Periods
12:05 AM - 1:35 PM3:03 AM - 4:33 AM
Action Rating: 3 out of 5
Friday, March 13, 2026
Weather Forecast
Partly Cloudy
72°F
46.8°F
58.7°F
39%
0 in
0%
0%
7.2 mph
1.3
Air Quality
AQI:
1 - Good
PM2.5:
4.72 μg/m3
PM10:
6.61 μg/m3
Carbon Monoxide: 145.17 μg/m3
Nitrogen Dioxide: 5.64 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 66.72 μg/m3
Nitrogen Dioxide: 5.64 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 66.72 μg/m3
Astronomical
Sunrise: 7:13 AM
Sun Transit: 12:00 AM
Sunset: 7:05 PM
Daylight: 11 hrs 52 mins
Sun Transit: 12:00 AM
Sunset: 7:05 PM
Daylight: 11 hrs 52 mins
Moonrise: 4:19 AM
Moon Transit: 8:55 AM
Moonset: 1:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%
Moon Transit: 8:55 AM
Moonset: 1:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%
Best Times for Fishing or Hunting
Major Periods
8:25 AM - 10:55 AM4:42 PM - 7:12 PM
Minor Periods
1:05 PM - 2:35 PM3:49 AM - 5:19 AM
Action Rating: 3 out of 5
Saturday, March 14, 2026
Weather Forecast
Sunny
69.8°F
46.8°F
57.6°F
36%
0 in
0%
0%
8.1 mph
1.5
Air Quality
AQI:
1 - Good
PM2.5:
5.95 μg/m3
PM10:
9.01 μg/m3
Carbon Monoxide: 148.17 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 70.04 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 70.04 μg/m3
Astronomical
Sunrise: 7:12 AM
Sun Transit: 12:00 AM
Sunset: 7:06 PM
Daylight: 11 hrs 54 mins
Sun Transit: 12:00 AM
Sunset: 7:06 PM
Daylight: 11 hrs 54 mins
Moonrise: 4:57 AM
Moon Transit: 9:45 AM
Moonset: 2:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%
Moon Transit: 9:45 AM
Moonset: 2:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%
Best Times for Fishing or Hunting
Major Periods
5:32 PM - 8:02 PM9:15 AM - 11:45 AM
Minor Periods
2:10 PM - 3:40 PM4:27 AM - 5:57 AM
Action Rating: 2 out of 5
Sunday, March 15, 2026
Weather Forecast
Sunny
71.4°F
45.1°F
55.9°F
49%
0 in
0%
0%
6.7 mph
1.4
Air Quality
AQI:
1 - Good
PM2.5:
6.75 μg/m3
PM10:
11.51 μg/m3
Carbon Monoxide: 159.94 μg/m3
Nitrogen Dioxide: 5.21 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 69.24 μg/m3
Nitrogen Dioxide: 5.21 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 69.24 μg/m3
Astronomical
Sunrise: 7:10 AM
Sun Transit: 12:00 AM
Sunset: 7:07 PM
Daylight: 11 hrs 57 mins
Sun Transit: 12:00 AM
Sunset: 7:07 PM
Daylight: 11 hrs 57 mins
Moonrise: 5:30 AM
Moon Transit: 10:34 AM
Moonset: 3:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%
Moon Transit: 10:34 AM
Moonset: 3:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%
Best Times for Fishing or Hunting
Major Periods
6:20 PM - 8:50 PM10:04 AM - 12:34 AM
Minor Periods
3:16 PM - 4:46 PM5:00 AM - 6:30 AM
Action Rating: 2 out of 5
Monday, March 16, 2026
Weather Forecast
Sunny
77.7°F
48.7°F
60.7°F
48%
0 in
0%
0%
6.7 mph
1.5
Air Quality
AQI:
1 - Good
PM2.5:
6.1 μg/m3
PM10:
7.82 μg/m3
Carbon Monoxide: 196.87 μg/m3
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 57.08 μg/m3
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 57.08 μg/m3
Astronomical
Sunrise: 7:09 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 11 hrs 59 mins
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 11 hrs 59 mins
Moonrise: 5:59 AM
Moon Transit: 11:21 AM
Moonset: 4:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%
Moon Transit: 11:21 AM
Moonset: 4:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%
Best Times for Fishing or Hunting
Major Periods
7:07 PM - 9:37 PM10:51 AM - 1:21 PM
Minor Periods
4:23 PM - 5:53 PM5:29 AM - 6:59 AM
Action Rating: 4 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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