Water Temperature of the Middle Fork San Joaquin River in Mammoth Lakes, CA

Current Water Temperature

36.3°F

Measurement Time: Monday, November 3, 2025, 8:00 PM PST

Temperature Locations

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Local Points of Interest

Devils Postpile National Monument

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Middle Fork San Joaquin River

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

28.8°F
Clear
Conditions: Clear
Humidity: 54%
Feels Like: 21.6°F
Wind: SW 6.9 mph
Wind Gusts: 14.6 mph
Pressure: 30.23 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Tue
H: 55°F
L: 33°F
Sunny
Wed
H: 44°F
L: 31°F
Sunny
Thu
H: 54°F
L: 26°F
Sunny
Fri
H: 59°F
L: 37°F
Sunny
Sat
H: 58°F
L: 35°F

Air Quality

AQI: 1 - Good
PM2.5: 1.98 μg/m3
PM10: 2.18 μg/m3
Carbon Monoxide: 104.68 μg/m3
Nitrogen Dioxide: 0.78 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 115 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 11:39 AM
Sunset: 4:54 PM
Daylight: 10 hrs 29 mins
Moonrise: 4:11 PM
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 AM
12:00 AM - 12:00 AM

Minor Periods

3:41 PM - 5:11 PM
4:53 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.


Tuesday, November 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 40°F
Average Humidity: 32%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 3.92 μg/m3
Carbon Monoxide: 120.4 μg/m3
Nitrogen Dioxide: 2.12 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 96.24 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 11:39 AM
Sunset: 4:54 PM
Daylight: 10 hrs 29 mins
Moonrise: 4:11 PM
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 AM
12:00 AM - 12:00 AM

Minor Periods

3:41 PM - 5:11 PM
4:53 AM - 6:23 AM

Action Rating: 6 out of 5

Wednesday, November 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 35.9°F
Average Humidity: 46%
Chance of Rain: 0%
Wind: 24.6 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 3.39 μg/m3
PM10: 3.69 μg/m3
Carbon Monoxide: 130 μg/m3
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 95.84 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 11:39 AM
Sunset: 4:53 PM
Daylight: 10 hrs 27 mins
Moonrise: 4:49 PM
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 AM
7:17 AM - 9:47 AM

Minor Periods

4:19 PM - 5:49 PM
6:13 AM - 7:43 AM

Action Rating: 4 out of 5

Thursday, November 6, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 39.2°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 5.3 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 116.16 μg/m3
Nitrogen Dioxide: 1.87 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 11:40 AM
Sunset: 4:53 PM
Daylight: 10 hrs 25 mins
Moonrise: 5:36 PM
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 AM
8:19 AM - 10:49 AM

Minor Periods

5:06 PM - 6:36 PM
7:34 AM - 9:04 AM

Action Rating: 4 out of 5

Friday, November 7, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 44.4°F
Average Humidity: 46%
Chance of Rain: 0%
Wind: 6.5 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 3.68 μg/m3
PM10: 3.75 μg/m3
Carbon Monoxide: 102.56 μg/m3
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 68.2 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 11:40 AM
Sunset: 4:52 PM
Daylight: 10 hrs 23 mins
Moonrise: 6:34 PM
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 AM
9:25 AM - 11:55 AM

Minor Periods

6:04 PM - 7:34 PM
8:51 AM - 10:21 AM

Action Rating: 3 out of 5

Saturday, November 8, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 41.1°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 4.05 μg/m3
Carbon Monoxide: 119.14 μg/m3
Nitrogen Dioxide: 4.38 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 11:40 AM
Sunset: 4:51 PM
Daylight: 10 hrs 21 mins
Moonrise: 7:41 PM
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 AM
10:31 AM - 1:01 PM

Minor Periods

7:11 PM - 8:41 PM
10:00 AM - 11:30 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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