Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

45.5°F

Measurement Time: Tuesday, February 17, 2026, 2:15 AM PST

Temperature Locations

View Nearby Locations     View All California Locations     View Locations Near Me

Local Points of Interest

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

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

39.4°F
Mist
Mist
31.8°F
38°F
93%
S 12.8 mph
15.1 mph
31.8°F
35.1°F
0.08 in
75%
1 mi
1009 mbar
1.1

Five Day Weather Forecast

Heavy rain
Tue
H: 41°F
L: 33°F
Moderate snow
Wed
H: 30°F
L: 17°F
Heavy snow
Thu
H: 33°F
L: 16°F
Mist
Fri
H: 37°F
L: 20°F
Patchy rain nearby
Sat
H: 38°F
L: 19°F

Air Quality

AQI: 1 - Good
PM2.5: 1.15 μg/m3
PM10: 1.15 μg/m3
Carbon Monoxide: 156.85 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:13 AM
Sunset: 5:41 PM
Daylight: 10 hrs 54 mins
Moonrise: 7:00 AM
Moon Transit: 12:30 AM
Moonset: 6:12 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:16 PM - 10:46 PM
12:00 AM - 2:30 PM

Minor Periods

5:42 PM - 7:12 PM
6:30 AM - 8:00 AM

Action Rating: 5 out of 5

Winter Storm Warning issued February 16 at 1:01PM PST until February 19 at 10:00PM PST by NWS Sacramento CA

Effective: Mon February 16, 2026, 1:01 PM
Expires: Tue February 17, 2026, 4:15 PM

* WHAT...Heavy snow expected. Accumulation amounts range from up to 1 foot around 2000 to 2500 feet, 1 to 2 feet at 2500 to 3500 feet and 4 to 8 feet at higher elevations. Wind gusts of 45 to 55mph expected. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park including Interstate 80 and Highway 50, northern Shasta County including portions of Interstate 5, the Coastal Range, and foothill regions of the Sierra Nevada. * WHEN...Until 10 PM PST Thursday. * IMPACTS...Dangerous to near impossible travel conditions with chain controls and road closures. Low visibility due to a combination of wind and heavy snow. * ADDITIONAL DETAILS...Snow levels will be around 2500 to 3500 feet by Monday night and 1500 to 2500 feet Tuesday through Thursday. Potential to see snow levels as low as 1000 feet at times along the Sierra and below 1000 feet in the northern Sacramento Valley.

Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1.


Winter Storm Warning issued February 16 at 6:44PM PST until February 18 at 10:00PM PST by NWS Hanford CA

Effective: Mon February 16, 2026, 6:44 PM
Expires: Tue February 17, 2026, 2:45 AM

* WHAT...Heavy snow with total snow accumulations 3 to 5 feet above 6,000 feet with 5 to 7 feet over the highest elevations and 1 to 2 feet down to 4,000 feet. Winds could gust as high as 60 mph. * WHERE...A portion of central California. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday morning and evening commutes. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Snow levels will lower to 4,000 feet Tuesday morning. Light snow accumulations down to 3,000 feet Tuesday night into Wednesday.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Storm Warning issued February 17 at 2:09AM PST until February 19 at 10:00PM PST by NWS Hanford CA

Effective: Tue February 17, 2026, 2:09 AM
Expires: Tue February 17, 2026, 11:00 AM

* WHAT...Heavy snow with total snow accumulations 3 to 5 feet above 6,000 feet with 5 to 7 feet over the highest elevations and 1 to 2 feet at 4,000 feet. Several inches up to a foot down to 3,000 feet. Winds could gust as high as 60 mph. * WHERE...Sierra Nevada and adjacent foothills. * WHEN...Until 10 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday morning and evening commutes. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Snow levels at 3,000 to 4,000 feet this morning. Light snow accumulations down to 2,000 feet Tuesday night into Wednesday.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Tuesday, February 17, 2026

Weather Forecast

Heavy rain
41°F
33.1°F
36.8°F
93%
1.99 in
89%
6%
16.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.66 μg/m3
PM10: 1.85 μg/m3
Carbon Monoxide: 148.01 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 75.48 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:13 AM
Sunset: 5:41 PM
Daylight: 10 hrs 54 mins
Moonrise: 7:00 AM
Moon Transit: 12:30 AM
Moonset: 6:12 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:16 PM - 10:46 PM
12:00 AM - 2:30 PM

Minor Periods

5:42 PM - 7:12 PM
6:30 AM - 8:00 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Moderate snow
30.2°F
16.9°F
29.6°F
92%
0.86 in
78%
26%
6.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 2.55 μg/m3
PM10: 3.18 μg/m3
Carbon Monoxide: 151.17 μg/m3
Nitrogen Dioxide: 2.5 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 86.92 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:13 AM
Sunset: 5:42 PM
Daylight: 10 hrs 56 mins
Moonrise: 7:25 AM
Moon Transit: 1:16 PM
Moonset: 7:18 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

9:02 PM - 11:32 PM
12:46 AM - 3:16 PM

Minor Periods

6:48 PM - 8:18 PM
6:55 AM - 8:25 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Heavy snow
33.3°F
16.2°F
28.8°F
90%
2.35 in
67%
41%
7.2 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.56 μg/m3
PM10: 5.52 μg/m3
Carbon Monoxide: 155.17 μg/m3
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 91.12 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:13 AM
Sunset: 5:43 PM
Daylight: 10 hrs 58 mins
Moonrise: 7:49 AM
Moon Transit: 1:07 PM
Moonset: 8:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:37 AM - 3:07 PM
12:37 AM - 3:07 PM

Minor Periods

7:57 PM - 9:27 PM
7:19 AM - 8:49 AM

Action Rating: 2 out of 5

Friday, February 20, 2026

Weather Forecast

Mist
36.5°F
20.3°F
28°F
87%
0 in
0%
0%
6.7 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 3.26 μg/m3
PM10: 3.88 μg/m3
Carbon Monoxide: 149.83 μg/m3
Nitrogen Dioxide: 3.48 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 80.36 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:13 AM
Sunset: 5:44 PM
Daylight: 11 hrs 1 mins
Moonrise: 8:14 AM
Moon Transit: 2:48 PM
Moonset: 9:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:18 PM - 4:48 PM

Minor Periods

9:06 PM - 10:36 PM
7:44 AM - 9:14 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Patchy rain nearby
38.3°F
19.1°F
28°F
89%
0.01 in
86%
0%
8.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.86 μg/m3
PM10: 10.73 μg/m3
Carbon Monoxide: 201.66 μg/m3
Nitrogen Dioxide: 6.21 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 83.69 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:13 AM
Sunset: 5:45 PM
Daylight: 11 hrs 3 mins
Moonrise: 8:41 AM
Moon Transit: 3:38 PM
Moonset: 10:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:08 PM - 5:38 PM

Minor Periods

10:18 PM - 11:48 PM
8:11 AM - 9:41 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.

Webcams Near Groveland, CA

Sponsored Content