Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

60.1°F

Measurement Time: Sunday, September 20, 2026, 4:30 AM PDT

Temperature Locations

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Local Points of Interest

Hetch Hetchy Reservoir; Yosemite National Park; White Wolf, CA

Tuolumne River

Station Name: TUOLUMNE R A GRAND CYN OF TUOLUMNE AB HETCH HETCHY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 3,842 feet

Nearest Address:
White Wolf Road
Groveland, CA 95321
Tuolumne County

GPS Coordinates: 37.9165884, -119.6598938

Nearby Water Temperatures

Tuolumne River, Groveland, CA (7.7 mi)
Merced River, Yosemite Valley, CA (13.9 mi)
Cherry Creek, Groveland, CA (14.5 mi)
Tuolumne River, Groveland, CA (15.9 mi)
Tuolumne River, Groveland, CA (17.1 mi)
Middle Fork San Joaquin River, Mammoth Lakes, CA (37 mi)
Deadman Creek, Mammoth Lakes, CA (41 mi)
Hot Creek, Mammoth Lakes, CA (47.6 mi)
Hot Creek, Mammoth Lakes, CA (48.1 mi)
Hot Creek, Mammoth Lakes, CA (49.1 mi)
San Joaquin River, Friant, CA (64.5 mi)
Trout Creek, South Lake Tahoe, CA (71.4 mi)
Upper Truckee River, South Lake Tahoe, CA (71.8 mi)
Walker Lake, Walker Lake, NV (74.3 mi)
Walker Lake, Walker Lake, NV (76.8 mi)

Weather for Groveland, California

Current Weather

80°F
Patchy Smoke
Patchy Smoke
22%
W 5 mph
38°F

Weather Forecast

Patchy Smoke
Today
83°F - Patchy Smoke
Areas Of Smoke
Tonight
59°F - Areas Of Smoke
Chance Light Rain
Monday
78°F - Chance Light Rain
Slight Chance Light Rain then Partly Cloudy
Monday Night
56°F - Slight Chance Light Rain then Partly Cloudy
Sunny
Tuesday
80°F - Sunny
Mostly Clear
Tuesday Night
59°F - Mostly Clear
Sunny
Wednesday
84°F - Sunny
Mostly Clear
Wednesday Night
60°F - Mostly Clear
Sunny
Thursday
84°F - Sunny
Partly Cloudy
Thursday Night
58°F - Partly Cloudy
Sunny
Friday
80°F - Sunny
Mostly Clear
Friday Night
56°F - Mostly Clear
Sunny
Saturday
78°F - Sunny
Mostly Clear
Saturday Night
54°F - Mostly Clear

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:51 AM
Sunset: 6:58 PM
Daylight: 12 hrs 13 mins
Moonrise: 3:58 PM
Moon Transit: 8:40 PM
Moonset: 12:28 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
8:10 PM - 10:40 PM

Minor Periods

3:28 PM - 4:58 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:51 AM
Sunset: 6:58 PM
Daylight: 12 hrs 13 mins
Moonrise: 3:58 PM
Moon Transit: 8:40 PM
Moonset: 12:28 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
8:10 PM - 10:40 PM

Minor Periods

3:28 PM - 4:58 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:51 AM
Sunset: 6:58 PM
Daylight: 12 hrs 13 mins
Moonrise: 3:58 PM
Moon Transit: 8:40 PM
Moonset: 12:28 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
8:10 PM - 10:40 PM

Minor Periods

3:28 PM - 4:58 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:51 AM
Sunset: 6:57 PM
Daylight: 12 hrs 11 mins
Moonrise: 4:33 PM
Moon Transit: 9:28 PM
Moonset: 1:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
8:58 PM - 11:28 PM

Minor Periods

4:03 PM - 5:33 PM
12:59 AM - 2:29 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:51 AM
Sunset: 6:57 PM
Daylight: 12 hrs 11 mins
Moonrise: 4:33 PM
Moon Transit: 9:28 PM
Moonset: 1:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
8:58 PM - 11:28 PM

Minor Periods

4:03 PM - 5:33 PM
12:59 AM - 2:29 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:51 AM
Sunset: 6:55 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:02 PM
Moon Transit: 10:14 PM
Moonset: 2:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:32 PM - 6:02 PM
2:02 AM - 3:32 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:51 AM
Sunset: 6:55 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:02 PM
Moon Transit: 10:14 PM
Moonset: 2:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:32 PM - 6:02 PM
2:02 AM - 3:32 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:50 AM
Sunset: 6:54 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:29 PM
Moon Transit: 11:00 PM
Moonset: 3:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
12:00 AM - 12:00 AM

Minor Periods

4:59 PM - 6:29 PM
3:05 AM - 4:35 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:50 AM
Sunset: 6:54 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:29 PM
Moon Transit: 11:00 PM
Moonset: 3:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
12:00 AM - 12:00 AM

Minor Periods

4:59 PM - 6:29 PM
3:05 AM - 4:35 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:50 AM
Sunset: 6:52 PM
Daylight: 12 hrs 4 mins
Moonrise: 5:53 PM
Moon Transit: 11:43 PM
Moonset: 4:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:23 PM - 6:53 PM
4:09 AM - 5:39 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:50 AM
Sunset: 6:52 PM
Daylight: 12 hrs 4 mins
Moonrise: 5:53 PM
Moon Transit: 11:43 PM
Moonset: 4:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:23 PM - 6:53 PM
4:09 AM - 5:39 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:50 AM
Sunset: 6:51 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:18 PM
Moon Transit: 12:00 AM
Moonset: 5:43 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:48 PM - 7:18 PM
5:13 AM - 6:43 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:50 AM
Sunset: 6:51 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:18 PM
Moon Transit: 12:00 AM
Moonset: 5:43 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:48 PM - 7:18 PM
5:13 AM - 6:43 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:49 AM
Sunset: 6:49 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:42 PM
Moon Transit: 5:33 AM
Moonset: 6:49 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:12 PM - 7:42 PM
6:19 AM - 7:49 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:49 AM
Sunset: 6:49 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:42 PM
Moon Transit: 5:33 AM
Moonset: 6:49 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:12 PM - 7:42 PM
6:19 AM - 7:49 AM

Action Rating: 3 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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