Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

48.4°F

Measurement Time: Sunday, March 16, 2025, 5:30 AM PDT

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 / 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

57.4°F
Sunny
Conditions: Sunny
Humidity: 51%
Feels Like: 56.5°F
Wind: SSW 5.8 mph
Wind Gusts: 6.7 mph
Pressure: 30.12 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 5.2

Five Day Weather Forecast

Overcast
Sun
H: 58°F
L: 21°F
Heavy rain
Mon
H: 43°F
L: 35°F
Moderate rain
Tue
H: 45°F
L: 13°F
Patchy rain nearby
Wed
H: 54°F
L: 16°F
Patchy rain nearby
Thu
H: 53°F
L: 27°F

Air Quality

AQI: 1 - Good
PM2.5: 15.73 μg/m3
PM10: 30.71 μg/m3
Carbon Monoxide: 325.6 μg/m3
Nitrogen Dioxide: 7.03 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 12 hrs mins
Moonrise: 9:46 PM
Moon Transit: 2:30 AM
Moonset: 8:06 AM
Moon Phase: Full
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

2:00 AM - 4:30 AM
10:14 AM - 12:44 AM

Minor Periods

9:16 PM - 10:46 PM
7:36 AM - 9:06 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued March 16 at 3:24AM PDT until March 17 at 11:00PM PDT by NWS Hanford CA

Effective: Sun March 16, 2025, 3:24 AM
Expires: Sun March 16, 2025, 12:00 PM

* WHAT...Snow expected at elevations mainly above 6,000 feet Sunday night lowering to around 5,000 feet by Monday afternoon. Total snow accumulations of 8 to 12 inches with locally heavier amounts possible. Winds gusting as high as 55 mph. * WHERE...A portion of central California. * WHEN...From 11 PM this evening to 11 PM PDT Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Strong winds could cause tree damage.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Storm Warning issued March 16 at 1:01AM PDT until March 17 at 11:00PM PDT by NWS Sacramento CA

Effective: Sun March 16, 2025, 1:01 AM
Expires: Sun March 16, 2025, 5:15 PM

* WHAT...Heavy snow expected above 4500 feet. Total snow accumulations between 1 and 2 feet, up to 3 feet over peaks. Up to 6 to 12 inches between 4500-5000 feet. Winds gusting as high as 70 mph. * WHERE...West Slope Northern Sierra Nevada County. * WHEN...From 5 PM this afternoon to 11 PM PDT Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Very strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...Heaviest snow early Monday morning with snowfall rates up to 2 to 3 inches per hour at times.

Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1. Persons should delay travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Consider taking a winter storm kit along with you and anything else that would help you survive in case you become stranded.


Wind Advisory issued March 16 at 12:09AM PDT until March 16 at 11:00PM PDT by NWS Sacramento CA

Effective: Sun March 16, 2025, 12:09 AM
Expires: Sun March 16, 2025, 5:00 PM

* WHAT...South winds 20 to 30 mph with gusts 40 to 50 mph expected. * WHERE...Central Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, and Southern Sacramento Valley. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Peak winds expected during the morning and afternoon hours.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Winter Weather Advisory issued March 16 at 3:24AM PDT until March 17 at 11:00PM PDT by NWS Hanford CA

Effective: Sun March 16, 2025, 3:24 AM
Expires: Sun March 16, 2025, 12:00 PM

* WHAT...Snow expected at elevations mainly above 6,000 feet Sunday night lowering to around 5,000 feet by Monday afternoon. Total snow accumulations of 8 to 12 inches with locally heavier amounts possible. Winds gusting as high as 55 mph. * WHERE...A portion of central California. * WHEN...From 11 PM this evening to 11 PM PDT Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Strong winds could cause tree damage.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Storm Warning issued March 16 at 1:01AM PDT until March 17 at 11:00PM PDT by NWS Sacramento CA

Effective: Sun March 16, 2025, 1:01 AM
Expires: Sun March 16, 2025, 5:15 PM

* WHAT...Heavy snow expected above 4500 feet. Total snow accumulations between 1 and 2 feet, up to 3 feet over peaks. Up to 6 to 12 inches between 4500-5000 feet. Winds gusting as high as 70 mph. * WHERE...West Slope Northern Sierra Nevada County. * WHEN...From 5 PM this afternoon to 11 PM PDT Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Very strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...Heaviest snow early Monday morning with snowfall rates up to 2 to 3 inches per hour at times.

Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1. Persons should delay travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Consider taking a winter storm kit along with you and anything else that would help you survive in case you become stranded.


Sunday, March 16, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 43.4°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 8.1 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 11.35 μg/m3
PM10: 22.24 μg/m3
Carbon Monoxide: 270.91 μg/m3
Nitrogen Dioxide: 6.51 μg/m3
Sulphur Dioxide: 0.87 μg/m3
Ozone: 86.16 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 12 hrs mins
Moonrise: 9:46 PM
Moon Transit: 2:30 AM
Moonset: 8:06 AM
Moon Phase: Full
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

2:00 AM - 4:30 AM
10:14 AM - 12:44 AM

Minor Periods

9:16 PM - 10:46 PM
7:36 AM - 9:06 AM

Action Rating: 4 out of 5

Monday, March 17, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 40.6°F
Average Humidity: 90%
Chance of Rain: 86%
Wind: 7.8 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 12.16 μg/m3
PM10: 22.02 μg/m3
Carbon Monoxide: 273.87 μg/m3
Nitrogen Dioxide: 4.4 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 84.2 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:00 AM
Sunset: 7:09 PM
Daylight: 12 hrs 2 mins
Moonrise: 10:46 PM
Moon Transit: 3:11 AM
Moonset: 8:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
10:55 AM - 1:25 PM

Minor Periods

10:16 PM - 11:46 PM
7:59 AM - 9:29 AM

Action Rating: 2 out of 5

Tuesday, March 18, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 33.8°F
Average Humidity: 80%
Chance of Rain: 79%
Wind: 7.6 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 2.93 μg/m3
PM10: 4.86 μg/m3
Carbon Monoxide: 312.8 μg/m3
Nitrogen Dioxide: 5.57 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 80.4 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 12 hrs 4 mins
Moonrise: 11:48 PM
Moon Transit: 3:53 AM
Moonset: 8:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
11:39 AM - 2:09 PM

Minor Periods

12:00 AM - 12:00 AM
8:25 AM - 9:55 AM

Action Rating: 2 out of 5

Wednesday, March 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 37.6°F
Average Humidity: 68%
Chance of Rain: 85%
Wind: 7.4 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 8.12 μg/m3
PM10: 19.45 μg/m3
Carbon Monoxide: 329.37 μg/m3
Nitrogen Dioxide: 7.64 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:00 AM
Sunset: 7:11 PM
Daylight: 12 hrs 7 mins
Moonrise: 12:48 AM
Moon Transit: 4:39 AM
Moonset: 9:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
12:25 AM - 2:55 PM

Minor Periods

8:56 AM - 10:26 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, March 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 40.8°F
Average Humidity: 81%
Chance of Rain: 87%
Wind: 6.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 11.58 μg/m3
PM10: 22.76 μg/m3
Carbon Monoxide: 414.97 μg/m3
Nitrogen Dioxide: 11.68 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 60.23 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 1:38 AM
Sunset: 7:12 PM
Daylight: 12 hrs 9 mins
Moonrise: 12:50 AM
Moon Transit: 5:28 AM
Moonset: 10:03 AM
Moon Phase: Last Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

4:58 AM - 7:28 AM
1:15 PM - 3:45 PM

Minor Periods

9:33 AM - 11:03 AM
12:20 AM - 1:50 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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