Water Temperature of San Joaquin River in Friant, CA

Current Water Temperature

54.3°F

Measurement Time: Wednesday, August 5, 2026, 12:30 PM PDT

Temperature Locations

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Local Points of Interest

Lost Lake Recreation Area

San Joaquin River

Station Name: SAN JOAQUIN R BL FRIANT CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 308 feet

Nearest Address:
Lost Lake Road
Friant, CA 93626
Fresno County

GPS Coordinates: 36.98439397, -119.7243124

Nearby Water Temperatures

Merced River, Yosemite Valley, CA (52.4 mi)
Middle Fork San Joaquin River, Mammoth Lakes, CA (56.8 mi)
Tuolumne River, Groveland, CA (63 mi)
Tuolumne River, Groveland, CA (63.4 mi)
Tuolumne River, Groveland, CA (64.5 mi)
Hot Creek, Mammoth Lakes, CA (65.4 mi)
Tuolumne River, Groveland, CA (66 mi)
Hot Creek, Mammoth Lakes, CA (66.1 mi)
Deadman Creek, Mammoth Lakes, CA (68.2 mi)
Hot Creek, Mammoth Lakes, CA (68.7 mi)
Cherry Creek, Groveland, CA (68.8 mi)
Coyote Creek, Morgan Hill, CA (106.9 mi)
Coyote Creek, Coyote, CA (112.3 mi)
Arroyo Hondo, San Jose, CA (117.2 mi)
Arroyo Valle, Livermore, CA (120.2 mi)

Weather for Friant, California

Current Weather

99.9°F
Sunny
Sunny
94.8°F
98°F
16%
WNW 7.4 mph
9.7 mph
99.9°F
45.8°F
0 in
0%
6 mi
1007 mbar
0.2

Five Day Weather Forecast

Sunny
Wed
H: 105°F
L: 68°F
Sunny
Thu
H: 111°F
L: 67°F
Sunny
Fri
H: 110°F
L: 73°F
Sunny
Sat
H: 112°F
L: 74°F
Sunny
Sun
H: 114°F
L: 77°F

Air Quality

AQI: 2 - Moderate
PM2.5: 16.8 μg/m3
PM10: 21 μg/m3
Carbon Monoxide: 102 μg/m3
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 140 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:04 PM
Sunset: 8:02 PM
Daylight: 13 hrs 54 mins
Moonrise: 12:05 AM
Moon Transit: 6:10 AM
Moonset: 1:27 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
2:00 PM - 4:30 PM

Minor Periods

12:57 AM - 2:27 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Heat Advisory issued August 5 at 4:40AM PDT until August 5 at 8:00PM PDT by NWS Hanford CA

Effective: Wed August 5, 2026, 4:40 AM
Expires: Wed August 5, 2026, 1:00 PM

* WHAT...Afternoon high temperatures up to 106 degrees expected. Heat Risk will range from Moderate to Major. * WHERE...San Joaquin Valley and adjacent foothills, Lake Isabella, and the Kern River Valley. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures and limited overnight relief may cause heat illnesses. * ADDITIONAL DETAILS...Afternoon high temperatures up to 106 degrees will occur today until Wednesday. Overnight lows will range from the upper 60s in some valley locations to the lower 80s in some of the higher foothills.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Heat Advisory issued August 5 at 11:10AM PDT until August 9 at 8:00PM PDT by NWS Hanford CA

Effective: Wed August 5, 2026, 11:10 AM
Expires: Thu August 6, 2026, 8:00 AM

* WHAT...High temperatures up to 106 to 108 degrees and multiple days of Major Heat Risk. * WHERE...San Joaquin Valley and adjacent foothills, Lake Isabella, and the Kern River Valley. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures and limited overnight relief may cause heat illnesses. * ADDITIONAL DETAILS...Afternoon high temperatures of 105 to 108 degrees will occur daily through the upcoming weekend. Overnight lows will generally only fall into the mid 60s to mid 70s with little overnight relief.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Wednesday, August 5, 2026

Weather Forecast

Sunny
105.3°F
68.4°F
87.1°F
30%
0 in
0%
0%
8.1 mph
9.8


Air Quality

AQI: 2 - Moderate
PM2.5: 18.29 μg/m3
PM10: 28.08 μg/m3
Carbon Monoxide: 127.33 μg/m3
Nitrogen Dioxide: 13.73 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 99.5 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:04 PM
Sunset: 8:02 PM
Daylight: 13 hrs 54 mins
Moonrise: 12:05 AM
Moon Transit: 6:10 AM
Moonset: 1:27 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
2:00 PM - 4:30 PM

Minor Periods

12:57 AM - 2:27 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
110.8°F
66.9°F
88.6°F
25%
0 in
1%
0%
11.9 mph
8.9


Air Quality

AQI: 2 - Moderate
PM2.5: 28.13 μg/m3
PM10: 30.96 μg/m3
Carbon Monoxide: 154.04 μg/m3
Nitrogen Dioxide: 12.95 μg/m3
Sulphur Dioxide: 2.09 μg/m3
Ozone: 104.13 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:04 PM
Sunset: 8:01 PM
Daylight: 13 hrs 52 mins
Moonrise: 12:39 AM
Moon Transit: 7:04 AM
Moonset: 2:40 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
2:56 PM - 5:26 PM

Minor Periods

2:10 PM - 3:40 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, August 7, 2026

Weather Forecast

Sunny
110.1°F
72.8°F
90.3°F
15%
0 in
1%
0%
9.8 mph
8.5


Air Quality

AQI: 2 - Moderate
PM2.5: 30.15 μg/m3
PM10: 32.27 μg/m3
Carbon Monoxide: 152.38 μg/m3
Nitrogen Dioxide: 10.69 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 106.92 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:04 PM
Sunset: 8:00 PM
Daylight: 13 hrs 50 mins
Moonrise: 12:22 AM
Moon Transit: 8:03 AM
Moonset: 3:53 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:33 AM - 10:03 AM
3:56 PM - 6:26 PM

Minor Periods

3:23 PM - 4:53 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, August 8, 2026

Weather Forecast

Sunny
111.7°F
73.9°F
92.2°F
14%
0 in
0%
0%
9.2 mph
8.5


Air Quality

AQI: 2 - Moderate
PM2.5: 28.58 μg/m3
PM10: 30.33 μg/m3
Carbon Monoxide: 145.63 μg/m3
Nitrogen Dioxide: 10.73 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 103.04 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:04 PM
Sunset: 7:58 PM
Daylight: 13 hrs 48 mins
Moonrise: 1:14 AM
Moon Transit: 9:06 AM
Moonset: 5:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.6%

Best Times for Fishing or Hunting

Major Periods

8:36 AM - 11:06 AM
5:00 PM - 7:30 PM

Minor Periods

4:31 PM - 6:01 PM
12:44 AM - 2:14 AM

Action Rating: 3 out of 5

Sunday, August 9, 2026

Weather Forecast

Sunny
113.7°F
77.4°F
94.4°F
14%
0 in
0%
0%
8.3 mph
9.2


Air Quality

AQI: 2 - Moderate
PM2.5: 23.25 μg/m3
PM10: 24.81 μg/m3
Carbon Monoxide: 138.04 μg/m3
Nitrogen Dioxide: 12.91 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:04 PM
Sunset: 7:57 PM
Daylight: 13 hrs 46 mins
Moonrise: 2:18 AM
Moon Transit: 10:11 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.8%

Best Times for Fishing or Hunting

Major Periods

6:05 PM - 8:35 PM
9:41 AM - 12:11 AM

Minor Periods

5:32 PM - 7:02 PM
1:48 AM - 3:18 AM

Action Rating: 2 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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