Water Temperature of San Joaquin River in Friant, CA

Current Water Temperature

55.8°F

Measurement Time: Friday, July 31, 2026, 9:30 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

105.1°F
Sunny
Sunny
96.8°F
105.5°F
8%
WNW 8.5 mph
9.8 mph
105.1°F
32.8°F
0 in
0%
6 mi
1010 mbar
5.3

Five Day Weather Forecast

Sunny
Fri
H: 105°F
L: 66°F
Sunny
Sat
H: 109°F
L: 69°F
Sunny
Sun
H: 110°F
L: 71°F
Sunny
Mon
H: 111°F
L: 73°F
Sunny
Tue
H: 111°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 4.4 μg/m3
PM10: 5.5 μg/m3
Carbon Monoxide: 96 μg/m3
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 126 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:05 PM
Sunset: 8:07 PM
Daylight: 14 hrs 3 mins
Moonrise: 9:23 PM
Moon Transit: 2:25 AM
Moonset: 8:02 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:55 AM - 4:25 AM
10:12 AM - 12:42 AM

Minor Periods

8:53 PM - 10:23 PM
7:32 AM - 9:02 AM

Action Rating: 3 out of 5

Heat Advisory issued July 31 at 5:57AM PDT until August 3 at 11:00PM PDT by NWS Hanford CA

Effective: Fri July 31, 2026, 5:57 AM
Expires: Fri July 31, 2026, 2:00 PM

* WHAT...Afternoon high temperatures up to 108 expected. Heat Risk will range from Moderate to Major. * WHERE...San Joaquin Valley and adjacent foothills. * WHEN...From noon Saturday to 11 PM PDT Monday. * IMPACTS...Hot temperatures and limited overnight relief may cause heat illnesses. * ADDITIONAL DETAILS...Afternoon high temperatures up to 108 degrees will occur from Saturday into Monday. 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.


Friday, July 31, 2026

Weather Forecast

Sunny
105.1°F
66.2°F
86.1°F
20%
0 in
0%
0%
8.5 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 6.77 μg/m3
PM10: 8.12 μg/m3
Carbon Monoxide: 104.17 μg/m3
Nitrogen Dioxide: 8.34 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 84.75 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:05 PM
Sunset: 8:07 PM
Daylight: 14 hrs 3 mins
Moonrise: 9:23 PM
Moon Transit: 2:25 AM
Moonset: 8:02 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:55 AM - 4:25 AM
10:12 AM - 12:42 AM

Minor Periods

8:53 PM - 10:23 PM
7:32 AM - 9:02 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
109°F
69.3°F
88.4°F
15%
0 in
0%
0%
7.6 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 7.7 μg/m3
PM10: 9.03 μg/m3
Carbon Monoxide: 100.67 μg/m3
Nitrogen Dioxide: 7.63 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 86.92 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:05 PM
Sunset: 8:06 PM
Daylight: 14 hrs 1 mins
Moonrise: 9:47 PM
Moon Transit: 3:08 AM
Moonset: 9:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
10:55 AM - 1:25 PM

Minor Periods

9:17 PM - 10:47 PM
8:34 AM - 10:04 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
110.4°F
71.1°F
90.3°F
11%
0 in
0%
0%
7.4 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 6.85 μg/m3
PM10: 7.72 μg/m3
Carbon Monoxide: 102.46 μg/m3
Nitrogen Dioxide: 8.8 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 83.25 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:05 PM
Sunset: 8:05 PM
Daylight: 14 hrs mins
Moonrise: 10:11 PM
Moon Transit: 3:51 AM
Moonset: 10:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:21 AM - 5:51 AM
3:20 PM - 5:50 PM

Minor Periods

9:41 PM - 11:11 PM
9:37 AM - 11:07 AM

Action Rating: 3 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
110.5°F
72.9°F
91°F
11%
0 in
0%
0%
6.7 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 8.36 μg/m3
PM10: 10.04 μg/m3
Carbon Monoxide: 115.43 μg/m3
Nitrogen Dioxide: 12.59 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 83.29 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:05 PM
Sunset: 8:04 PM
Daylight: 13 hrs 58 mins
Moonrise: 10:37 PM
Moon Transit: 12:00 AM
Moonset: 11:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

10:07 PM - 11:37 PM
10:41 AM - 12:11 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
110.5°F
73.4°F
91.6°F
12%
0 in
0%
0%
6.9 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 11.27 μg/m3
PM10: 16.05 μg/m3
Carbon Monoxide: 193.33 μg/m3
Nitrogen Dioxide: 24.85 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 37.83 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:05 PM
Sunset: 8:03 PM
Daylight: 13 hrs 56 mins
Moonrise: 11:05 PM
Moon Transit: 5:21 AM
Moonset: 12:18 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:51 AM - 7:21 AM
1:09 PM - 3:39 PM

Minor Periods

12:00 AM - 12:00 AM
11:48 AM - 1:18 PM

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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