Water Temperature of San Joaquin River in Friant, CA

Current Water Temperature

55.6°F

Measurement Time: Tuesday, September 29, 2026, 1:30 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

76.8°F
Clear
Conditions: Clear
Humidity: 28%
Feels Like: 72.3°F
Wind: NE 4.7 mph
Wind Gusts: 13.6 mph
Pressure: 29.83 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Sunny
Tue
H: 99°F
L: 70°F
Sunny
Wed
H: 102°F
L: 71°F
Sunny
Thu
H: 99°F
L: 70°F
Sunny
Fri
H: 97°F
L: 69°F
Sunny
Sat
H: 91°F
L: 57°F

Air Quality

AQI: 1 - Good
PM2.5: 9.7 μg/m3
PM10: 10.4 μg/m3
Carbon Monoxide: 157 μg/m3
Nitrogen Dioxide: 23.9 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:46 AM
Sunset: 6:35 PM
Daylight: 11 hrs 36 mins
Moonrise: 2:42 AM
Moon Transit: 9:43 AM
Moonset: 4:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:32 PM - 8:02 PM
9:13 AM - 11:43 AM

Minor Periods

4:05 PM - 5:35 PM
2:12 AM - 3:42 AM

Action Rating: 2 out of 5

Heat Advisory issued October 5 at 10:15AM PDT until October 9 at 10:00PM PDT by NWS Hanford CA

Effective: Mon October 5, 2026, 10:15 AM
Expires: Tue October 6, 2026, 5:00 PM

* WHAT...High temperatures up to 102 degrees expected. Overnight lows between 70 and 75 degrees expected in the Sierra Foothills where the thermal belt is strongest * WHERE...San Joaquin Valley, Sierra Nevada foothills, and Coastal West Hills. * WHEN...Until 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate to major risk of heat-related illnesses for much of the population, especially those without effective cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued October 6 at 4:32PM PDT until October 9 at 10:00PM PDT by NWS Hanford CA

Effective: Tue October 6, 2026, 4:32 PM
Expires: Wed October 7, 2026, 5:00 AM

* WHAT...High temperatures up to 102 degrees expected. Overnight lows between 70 and 75 degrees expected in the Sierra Foothills where the thermal belt is strongest * WHERE...San Joaquin Valley, Sierra Nevada foothills, and Coastal West Hills. * WHEN...Until 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate to major risk of heat-related illnesses for much of the population, especially those without effective cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Tuesday, October 6, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 83°F
Average Humidity: 24%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 6.3

Air Quality

AQI: 1 - Good
PM2.5: 7.13 μg/m3
PM10: 8.09 μg/m3
Carbon Monoxide: 176 μg/m3
Nitrogen Dioxide: 12.62 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 69.67 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:46 AM
Sunset: 6:35 PM
Daylight: 11 hrs 36 mins
Moonrise: 2:42 AM
Moon Transit: 9:43 AM
Moonset: 4:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:32 PM - 8:02 PM
9:13 AM - 11:43 AM

Minor Periods

4:05 PM - 5:35 PM
2:12 AM - 3:42 AM

Action Rating: 2 out of 5

Wednesday, October 7, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 84.1°F
Average Humidity: 22%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 6.1

Air Quality

AQI: 1 - Good
PM2.5: 9.9 μg/m3
PM10: 11.83 μg/m3
Carbon Monoxide: 183.58 μg/m3
Nitrogen Dioxide: 13.21 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 68.25 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:46 AM
Sunset: 6:33 PM
Daylight: 11 hrs 34 mins
Moonrise: 3:51 AM
Moon Transit: 10:31 AM
Moonset: 5:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:19 PM - 8:49 PM
10:01 AM - 12:31 AM

Minor Periods

4:32 PM - 6:02 PM
3:21 AM - 4:51 AM

Action Rating: 3 out of 5

Thursday, October 8, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 82.6°F
Average Humidity: 22%
Chance of Rain: 0%
Wind: 6 mph
UV Index: 6.1

Air Quality

AQI: 1 - Good
PM2.5: 11.61 μg/m3
PM10: 14.27 μg/m3
Carbon Monoxide: 183.96 μg/m3
Nitrogen Dioxide: 15.09 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 67.13 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:46 AM
Sunset: 6:32 PM
Daylight: 11 hrs 31 mins
Moonrise: 4:58 AM
Moon Transit: 11:17 AM
Moonset: 5:27 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

7:04 PM - 9:34 PM
10:47 AM - 1:17 PM

Minor Periods

4:57 PM - 6:27 PM
4:28 AM - 5:58 AM

Action Rating: 3 out of 5

Friday, October 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 81.5°F
Average Humidity: 23%
Chance of Rain: 1%
Wind: 5.8 mph
UV Index: 6.1

Air Quality

AQI: 1 - Good
PM2.5: 10.33 μg/m3
PM10: 15.44 μg/m3
Carbon Monoxide: 147.67 μg/m3
Nitrogen Dioxide: 12.89 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 71.38 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:46 AM
Sunset: 6:31 PM
Daylight: 11 hrs 29 mins
Moonrise: 6:03 AM
Moon Transit: 12:02 AM
Moonset: 5:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:49 PM - 10:19 PM
11:32 AM - 2:02 PM

Minor Periods

5:22 PM - 6:52 PM
5:33 AM - 7:03 AM

Action Rating: 4 out of 5

Saturday, October 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 74.6°F
Average Humidity: 28%
Chance of Rain: 0%
Wind: 15 mph
UV Index: 5.9

Air Quality

AQI: 1 - Good
PM2.5: 9.05 μg/m3
PM10: 29.05 μg/m3
Carbon Monoxide: 127.36 μg/m3
Nitrogen Dioxide: 6.3 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 70.46 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:45 AM
Sunset: 6:29 PM
Daylight: 11 hrs 27 mins
Moonrise: 7:08 AM
Moon Transit: 12:47 AM
Moonset: 6:18 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

8:34 PM - 11:04 PM
12:17 AM - 2:47 PM

Minor Periods

5:48 PM - 7:18 PM
6:38 AM - 8:08 AM

Action Rating: 4 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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