Water Temperature of the Merced River in Yosemite Valley, CA

Current Water Temperature

59.5°F

Measurement Time: Friday, July 12, 2024, 1:30 AM PDT

Temperature Locations

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Local Points of Interest

Happy Isles Bridge; Yosemite National Park

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Merced River

Station Name: MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 4,094 feet / 1,248 meters

Nearest Address:
Happy Isle Loop Rd
Yosemite Valley, CA 95389
Mariposa County

GPS Coordinates: 37.73131496, -119.5590514

Nearby Water Temperatures

Tuolumne River, Groveland, CA (13.9 mi)
Tuolumne River, Groveland, CA (19.3 mi)
Tuolumne River, Groveland, CA (23.5 mi)
Tuolumne River, Groveland, CA (24.7 mi)
Cherry Creek, Groveland, CA (25.5 mi)
Middle Fork San Joaquin River, Mammoth Lakes, CA (26.7 mi)
Deadman Creek, Mammoth Lakes, CA (33.9 mi)
Hot Creek, Mammoth Lakes, CA (38.6 mi)
Hot Creek, Mammoth Lakes, CA (39.2 mi)
Hot Creek, Mammoth Lakes, CA (40.8 mi)
San Joaquin River, Friant, CA (52.4 mi)
Walker Lake, Walker Lake, NV (80.9 mi)
Walker Lake, Walker Lake, NV (83.8 mi)
Trout Creek, South Lake Tahoe, CA (85.1 mi)
Upper Truckee River, South Lake Tahoe, CA (85.6 mi)

Weather for Yosemite Valley, California

Current Weather

79.2°F
Sunny
Conditions: Sunny
Humidity: 22%
Feels Like: 76.3°F
Wind: ESE 5.6 mph
Wind Gusts: 10.1 mph
Pressure: 30.4 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 7

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 86°F
L: 68°F
Patchy rain nearby
Sat
H: 83°F
L: 64°F
Patchy rain nearby
Sun
H: 80°F
L: 60°F
Sunny
Mon
H: 79°F
L: 60°F
Sunny
Tue
H: 79°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 9.6 μg/m3
PM10: 12.9 μg/m3
Carbon Monoxide: 161.9 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 77.3 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:04 PM
Sunset: 8:21 PM
Daylight: 14 hrs 34 mins
Moonrise: 12:16 AM
Moon Transit: 6:14 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 35.6%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
5:44 PM - 8:14 PM

Minor Periods

11:46 AM - 1:16 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

NWS Hanford CA

Effective: Sat July 13, 2024, 11:00 AM
Expires: Sun July 14, 2024, 9:00 PM

* AFFECTED AREA...Southern Sierra Nevada from Kern County throughYosemite National Park. * WIND...Terrain-driven winds 6-12 mph. Stronger, erratic wind gusts possible in thunderstorm outflow. * HUMIDITY...Minimum daytime humidity levels as 15-25%. * THUNDERSTORMS...30% chance of thunderstorms - including dry lightning - late Saturday morning through Sunday evening. Less than a 10% chance of wetting rain with these storms. Thunderstorm potential resumes Sunday afternoon, ending Sunday evening. * IMPACTS...Any fires that develop will likely spread rapidly due to dry fuels. Outdoor burning is not recommended.


NWS Hanford CA

Effective: Thu July 11, 2024, 6:35 PM
Expires: Sat July 13, 2024, 10:00 AM

* WHAT...High temperatures 15 to 20 degrees above normal. Moderate to Major HeatRisk. * WHERE...Yosemite National Park. * WHEN...Until 10 AM PDT Saturday. * IMPACTS...Well above normal temperatures, even for the high Sierra, will make outdoor activities more likely to cause heat-related illnesses than folks are used to even at high elevation. * ADDITIONAL DETAILS...Impacts likely in health systems, heat-sensitive industries and infrastructure.


NWS Reno NV

Effective: Fri July 12, 2024, 12:00 PM
Expires: Fri July 12, 2024, 10:00 PM

The National Weather Service in Reno has issued a Fire Weather Watch for thunderstorms and strong outflow winds, which is in effect from Friday afternoon through Friday evening. * Affected Area...Fire Weather Zone 274 Southern Mono County, Fire Weather Zone 421 Southern Sierra Front including Alpine, Northern Mono, Southern Lyon and and Western Mineral Counties. * Thunderstorms...Scattered thunderstorms with little to no rainfall. * Outflow Winds...Gusts upwards of 40 mph. * Impacts...Lightning can create new fire starts and may combine with strong outflow winds to cause a fire to rapidly grow in size and intensity before first responders can contain them.


Friday, July 12, 2024

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 75.8°F
Average Humidity: 19%
Chance of Rain: 83%
Wind: 7.8 mph
UV Index: 7

Air Quality

AQI: 1 - Good
PM2.5: 10.28 μg/m3
PM10: 13.33 μg/m3
Carbon Monoxide: 172.62 μg/m3
Nitrogen Dioxide: 0.74 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 95.2 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:04 PM
Sunset: 8:21 PM
Daylight: 14 hrs 34 mins
Moonrise: 12:16 AM
Moon Transit: 6:14 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 35.6%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
5:44 PM - 8:14 PM

Minor Periods

11:46 AM - 1:16 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, July 13, 2024

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 73.5°F
Average Humidity: 27%
Chance of Rain: 86%
Wind: 9.6 mph
UV Index: 8

Air Quality

AQI: 1 - Good
PM2.5: 11.39 μg/m3
PM10: 14.79 μg/m3
Carbon Monoxide: 170.83 μg/m3
Nitrogen Dioxide: 0.72 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 80.66 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:04 PM
Sunset: 8:21 PM
Daylight: 14 hrs 33 mins
Moonrise: 1:13 PM
Moon Transit: 6:53 PM
Moonset: 12:04 AM
Moon Phase: First Quarter
Moon Illumination: 46.7%

Best Times for Fishing or Hunting

Major Periods

2:00 AM - 4:30 AM
6:23 PM - 8:53 PM

Minor Periods

12:43 AM - 2:13 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, July 14, 2024

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 69.7°F
Average Humidity: 33%
Chance of Rain: 89%
Wind: 13.2 mph
UV Index: 11

Air Quality

AQI: 1 - Good
PM2.5: 10.7 μg/m3
PM10: 14.42 μg/m3
Carbon Monoxide: 165.17 μg/m3
Nitrogen Dioxide: 0.44 μg/m3
Sulphur Dioxide: 0.18 μg/m3
Ozone: 81.69 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:04 PM
Sunset: 8:20 PM
Daylight: 14 hrs 32 mins
Moonrise: 2:13 PM
Moon Transit: 7:35 PM
Moonset: 12:26 AM
Moon Phase: First Quarter
Moon Illumination: 58.0%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
7:05 PM - 9:35 PM

Minor Periods

1:43 PM - 3:13 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 15, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 68.7°F
Average Humidity: 27%
Chance of Rain: 0%
Wind: 13.2 mph
UV Index: 11

Air Quality

AQI: 1 - Good
PM2.5: 11.36 μg/m3
PM10: 14.12 μg/m3
Carbon Monoxide: 173.24 μg/m3
Nitrogen Dioxide: 0.42 μg/m3
Sulphur Dioxide: 0.11 μg/m3
Ozone: 80.26 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:04 PM
Sunset: 8:20 PM
Daylight: 14 hrs 31 mins
Moonrise: 3:15 PM
Moon Transit: 8:20 PM
Moonset: 12:51 AM
Moon Phase: First Quarter
Moon Illumination: 68.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
7:50 PM - 10:20 PM

Minor Periods

2:45 PM - 4:15 PM
12:21 AM - 1:51 AM

Action Rating: 4 out of 5

Tuesday, July 16, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 68°F
Average Humidity: 25%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 5

Air Quality

AQI: 1 - Good
PM2.5: 5.5 μg/m3
PM10: 7.23 μg/m3
Carbon Monoxide: 154.36 μg/m3
Nitrogen Dioxide: 0.2 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 94.76 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:04 PM
Sunset: 8:19 PM
Daylight: 14 hrs 29 mins
Moonrise: 4:20 PM
Moon Transit: 9:10 PM
Moonset: 1:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.8%

Best Times for Fishing or Hunting

Major Periods

4:10 AM - 6:40 AM
8:40 PM - 11:10 PM

Minor Periods

3:50 PM - 5:20 PM
12:49 AM - 2:19 AM

Action Rating: 3 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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