Water Temperature of the Middle Fork San Joaquin River in Mammoth Lakes, CA
Current Water Temperature
Measurement Time: Monday, November 3, 2025, 8:00 PM PST
Temperature Locations
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Local Points of Interest
Devils Postpile National MonumentSponsored Content
Station Name: MF SAN JOAQUIN R NR MAMMOTH LAKES CA								
Data Source: Water Data - usgc.gov				
Elevation Above Sea Level: 7,618 feet / 2,322 meters
Nearest Address:
				A12 Devils Postpile Campground Rd
					Mammoth Lakes, CA 93546
				Madera County
GPS Coordinates: 37.63194444, -119.0863889
Nearby Water Temperatures
Deadman Creek, Mammoth Lakes, CA (11.5 mi)Hot Creek, Mammoth Lakes, CA (12.3 mi)
Hot Creek, Mammoth Lakes, CA (12.9 mi)
Hot Creek, Mammoth Lakes, CA (14.9 mi)
Merced River, Yosemite Valley, CA (26.7 mi)
Tuolumne River, Groveland, CA (37.0 mi)
Tuolumne River, Groveland, CA (44.2 mi)
Tuolumne River, Groveland, CA (50.0 mi)
Cherry Creek, Groveland, CA (51.0 mi)
Tuolumne River, Groveland, CA (51.3 mi)
San Joaquin River, Friant, CA (56.8 mi)
Walker Lake, Walker Lake, NV (76.4 mi)
Walker Lake, Walker Lake, NV (79.8 mi)
Trout Creek, South Lake Tahoe, CA (101.1 mi)
Upper Truckee River, South Lake Tahoe, CA (101.8 mi)
Weather for Mammoth Lakes, California
Current Weather

Humidity: 54%
Feels Like: 21.6°F
Wind: SW 6.9 mph
Wind Gusts: 14.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Tue
H: 55°F
L: 33°F

Wed
H: 44°F
L: 31°F

Thu
H: 54°F
L: 26°F

Fri
H: 59°F
L: 37°F

Sat
H: 58°F
L: 35°F
Air Quality
Nitrogen Dioxide: 0.78 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 115 μg/m3
Astronomical
Sun Transit: 11:39 AM
Sunset: 4:54 PM
Daylight: 10 hrs 29 mins
Moon Transit: 11:20 PM
Moonset: 5:23 AM
Moon Phase: Full
Moon Illumination: 99.4%
Best Times for Fishing or Hunting
Major Periods
6:20 AM - 8:50 AM12:00 AM - 12:00 AM
Minor Periods
3:41 PM - 5:11 PM4:53 AM - 6:23 AM
Action Rating: 6 out of 5
High Wind Watch issued November 3 at 1:31AM PST until November 6 at 1:00AM PST by NWS Reno NV
Effective: Mon November 3, 2025, 1:31 AM
Expires: Tue November 4, 2025, 4:15 AM
* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. Wind prone areas along US-395 may see gusts up to 70 to 80 mph with ridgetop gusts up to 100 mph. * WHERE...In California, Mono County. In Nevada, Greater Reno-Carson City-Minden Area. * WHEN...From late Tuesday night through late Wednesday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds may knock down burned trees in the Davis Fire burn area.
Now is the time to secure loose outdoor items such as patio furniture, holiday decorations, and trash cans before winds increase which could blow these items away. The best thing to do is prepare ahead of time by making sure you have extra food and water on hand, flashlights with spare batteries and/or candles in the event of a power outage.
High Wind Warning issued November 4 at 12:27AM PST until November 5 at 10:00PM PST by NWS Reno NV
Effective: Tue November 4, 2025, 12:27 AM
Expires: Wed November 5, 2025, 4:15 AM
* WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph. Wind prone areas along US-395 may see gusts up to 70 to 80 mph with ridgetop gusts up to 110 mph. * WHERE...In California, Mono County. In Nevada, Greater Reno-Carson City-Minden Area. * WHEN...From 1 AM to 10 PM PST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds may knock down burned trees in the Davis Fire burn area.
Now is the time to secure loose outdoor items such as patio furniture, holiday decorations, and trash cans before winds increase which could blow these items away. The best thing to do is prepare ahead of time by making sure you have extra food and water on hand, flashlights with spare batteries and/or candles in the event of a power outage.
Weather Forecast
Average Temperature: 40°F
Average Humidity: 32%
Wind: 11 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 2.12 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 96.24 μg/m3
Astronomical
Sun Transit: 11:39 AM
Sunset: 4:54 PM
Daylight: 10 hrs 29 mins
Moon Transit: 11:20 PM
Moonset: 5:23 AM
Moon Phase: Full
Moon Illumination: 99.4%
Best Times for Fishing or Hunting
Major Periods
6:20 AM - 8:50 AM12:00 AM - 12:00 AM
Minor Periods
3:41 PM - 5:11 PM4:53 AM - 6:23 AM
Action Rating: 6 out of 5
Weather Forecast
Average Temperature: 35.9°F
Average Humidity: 46%
Wind: 24.6 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 95.84 μg/m3
Astronomical
Sun Transit: 11:39 AM
Sunset: 4:53 PM
Daylight: 10 hrs 27 mins
Moon Transit: 12:00 AM
Moonset: 6:43 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:17 AM - 9:47 AM
Minor Periods
4:19 PM - 5:49 PM6:13 AM - 7:43 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 39.2°F
Average Humidity: 67%
Wind: 8.3 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 1.87 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 84 μg/m3
Astronomical
Sun Transit: 11:40 AM
Sunset: 4:53 PM
Daylight: 10 hrs 25 mins
Moon Transit: 12:20 AM
Moonset: 8:04 AM
Moon Phase: Full
Moon Illumination: 97.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM8:19 AM - 10:49 AM
Minor Periods
5:06 PM - 6:36 PM7:34 AM - 9:04 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 44.4°F
Average Humidity: 46%
Wind: 6.5 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 68.2 μg/m3
Astronomical
Sun Transit: 11:40 AM
Sunset: 4:52 PM
Daylight: 10 hrs 23 mins
Moon Transit: 1:25 AM
Moonset: 9:21 AM
Moon Phase: Full
Moon Illumination: 93.4%
Best Times for Fishing or Hunting
Major Periods
12:55 AM - 3:25 AM9:25 AM - 11:55 AM
Minor Periods
6:04 PM - 7:34 PM8:51 AM - 10:21 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 41.1°F
Average Humidity: 61%
Wind: 5.8 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 4.38 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 65 μg/m3
Astronomical
Sun Transit: 11:40 AM
Sunset: 4:51 PM
Daylight: 10 hrs 21 mins
Moon Transit: 2:31 AM
Moonset: 10:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.7%
Best Times for Fishing or Hunting
Major Periods
2:01 AM - 4:31 AM10:31 AM - 1:01 PM
Minor Periods
7:11 PM - 8:41 PM10:00 AM - 11:30 AM
Action Rating: 2 out of 5
