Water Temperature of San Joaquin River in Friant, CA

Current Water Temperature

52.9°F

Measurement Time: Monday, May 18, 2026, 6:30 AM 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

78.1°F
Sunny
Sunny
75.5°F
78.5°F
19%
WSW 7.6 mph
8.7 mph
81.9°F
31.3°F
0 in
25%
9 mi
1014 mbar
7.9

Five Day Weather Forecast

Sunny
Mon
H: 83°F
L: 57°F
Sunny
Tue
H: 86°F
L: 56°F
Sunny
Wed
H: 89°F
L: 59°F
Sunny
Thu
H: 93°F
L: 60°F
Sunny
Fri
H: 95°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 7.75 μg/m3
PM10: 24.85 μg/m3
Carbon Monoxide: 127.85 μg/m3
Nitrogen Dioxide: 7.75 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 103 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:55 AM
Sunset: 8:03 PM
Daylight: 14 hrs 15 mins
Moonrise: 7:07 AM
Moon Transit: 3:01 PM
Moonset: 10:56 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:31 PM - 5:01 PM

Minor Periods

10:26 PM - 11:56 PM
6:37 AM - 8:07 AM

Action Rating: 3 out of 5

Red Flag Warning issued May 18 at 6:48AM PDT until May 18 at 8:00PM PDT by NWS Hanford CA

Effective: Mon May 18, 2026, 6:48 AM
Expires: Mon May 18, 2026, 3:00 PM

* AFFECTED AREA...Fire weather zone 579 West Side Hills on the Coastal Range. Fire weather zone 580 San Joaquin Valley. * WIND...GUSTING TO 35 MPH. * HUMIDITY...15% OR LESS THROUGH MONDAY EVENING. * HIGHEST THREAT...FAST-MOVING GRASS FIRES * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Lake Wind Advisory issued May 17 at 10:50PM PDT until May 18 at 8:00AM PDT by NWS Hanford CA

Effective: Sun May 17, 2026, 10:50 PM
Expires: Mon May 18, 2026, 8:00 AM

* WHAT...Northwest winds 15 to 25 mph with gusts up to 40 mph. * WHERE...West Side Mountains north of 198, including San Luis Reservoir. * WHEN...Until 8 AM PDT Monday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Monday, May 18, 2026

Weather Forecast

Sunny
83.1°F
57.2°F
71.5°F
20%
0 in
0%
0%
8.3 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 8.07 μg/m3
PM10: 36.25 μg/m3
Carbon Monoxide: 126.25 μg/m3
Nitrogen Dioxide: 7.81 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 84.52 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:55 AM
Sunset: 8:03 PM
Daylight: 14 hrs 15 mins
Moonrise: 7:07 AM
Moon Transit: 3:01 PM
Moonset: 10:56 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:31 PM - 5:01 PM

Minor Periods

10:26 PM - 11:56 PM
6:37 AM - 8:07 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Sunny
86°F
55.5°F
72°F
16%
0 in
0%
0%
6.9 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 8.37 μg/m3
PM10: 21.54 μg/m3
Carbon Monoxide: 129.53 μg/m3
Nitrogen Dioxide: 11.31 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 82.64 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:55 AM
Sunset: 8:04 PM
Daylight: 14 hrs 16 mins
Moonrise: 8:16 AM
Moon Transit: 4:07 PM
Moonset: 11:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:37 PM - 6:07 PM

Minor Periods

12:00 AM - 12:00 AM
7:46 AM - 9:16 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Sunny
89.4°F
59.1°F
74.1°F
19%
0 in
0%
0%
6.3 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 6.95 μg/m3
PM10: 12.41 μg/m3
Carbon Monoxide: 130.97 μg/m3
Nitrogen Dioxide: 11.67 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 80.92 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 12:55 AM
Sunset: 8:04 PM
Daylight: 14 hrs 18 mins
Moonrise: 9:31 AM
Moon Transit: 5:08 PM
Moonset: 12:52 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
4:38 PM - 7:08 PM

Minor Periods

9:01 AM - 10:31 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
92.7°F
60.3°F
76.2°F
21%
0 in
0%
0%
6.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.9 μg/m3
PM10: 13.15 μg/m3
Carbon Monoxide: 130.36 μg/m3
Nitrogen Dioxide: 13.91 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 84.08 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:55 AM
Sunset: 8:05 PM
Daylight: 14 hrs 19 mins
Moonrise: 10:45 AM
Moon Transit: 6:04 PM
Moonset: 12:37 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

1:00 AM - 3:30 AM
5:34 PM - 8:04 PM

Minor Periods

10:15 AM - 11:45 AM
12:07 AM - 1:37 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
94.8°F
61.4°F
77.2°F
23%
0 in
0%
0%
8.5 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 8.93 μg/m3
PM10: 17.9 μg/m3
Carbon Monoxide: 175.01 μg/m3
Nitrogen Dioxide: 16.94 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 76.08 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:55 AM
Sunset: 8:06 PM
Daylight: 14 hrs 21 mins
Moonrise: 11:56 AM
Moon Transit: 6:54 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
6:24 PM - 8:54 PM

Minor Periods

11:26 AM - 12:56 AM
12:42 AM - 2:12 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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