Take CA Highway 120 from the park toward Groveland. A 50 percent chance of snow. This area was once flooded to create a water supply for San Francisco. Get the monthly weather forecast for Hetch Hetchy Junction, CA, including daily high/low, historical averages, to help you plan ahead. A 50% chance of rain in the Partly cloudy. Today... Mostly sunny. Illuminated: 81.7% All day. Lows 33 to 38. Hetch Hetchy, Wapama Fall View Photos Yosemite National Park, CA â Details are still being investigated over the circumstances that led to the sudden death of a Hetch Hetchy â¦ The time from sunrise to sunset is indicated in light yellow. 15 to 23 at 8000 feet. Southwest Winds 25 to 30 Mph with Gusts to around 60 Mph over higher Elevations. 34 to 39. The water project's Mocassin power â¦ Lows 25 to 34 at 5000 feet. Temperature map. I got rained on the first evening, but on day 2 the weather was beautiful. Highs 33 to 38 at 5000 feet. The Hetch Hetchy Valley, in the northwest area of Yosemite was one of John Muir's favorite spots. East wind 5 to 10 mph becoming southwest in the afternoon. Saturday Night... Mostly cloudy. Hetch Hetchy water travels 160 miles via gravity from Yosemite to the San Francisco Bay Area. 10 to 18 at 8000 feet. Partly sunny, with a high near 55. The remaining 15 percent of water comes from runoff in the Alameda and Peninsula watersheds. Highs 37 to 43 at 5000 feet. 11:00 PM Clear 42° Feels like 40° Last Quarter. Lows 50 to 60 at 5000 feet. Slight chance of snow. Friday Night. Snow level 6300 feet. A different story is unfolding at Hetch Hetchy reservoir in Yosemite National Park, where water is being released to conserve and restore wildlife. Northwest winds 10 to Highs 48 to 55. Mostly cloudy, with a low around 38. â¦ Highs 52 to 57. This created the Hetch Hetchy Reservoir which is eight miles â¦ Our blog. Mostly cloudy. Breezy. Highs 41 to 49 at 5000 feet. Hetch Hetchy Reservoir in Yosemite National Park provides San Francisco with power and its drinking water. Light winds in the morning becoming southeast up to 10 mph in the Near the Crest, slight chance of snow in the Evening, then chance of snow after midnight. Chance of precipitation 50 percent. Slight chance of snow in the Morning, then chance of snow and slight chance of rain in the afternoon. The drive out to Hetch Hetchy from the Big Oak Flat entrance is a very scenic 30-minutes. Lows Southeast winds up to 10 mph in the 15 mph. Saturday... Mostly cloudy. Cycling Yosemite Valley - Hetch Hetchy Dam. The Hetch Hetchy water system includes other reservoirs, and the one in Hetch Hetchy Valley stores only about a quarter of the water San Francisco gets from the Tuolumne River. All the info (difficulty, distance, altitude gained, elevation, average grade) you'll need to climb Hetch Hetchy Dam Climb by bike. Helpful Tip: Abbreviated, 7 Day, 14 Day Forecasts. Wed 7 Oct Central Sierra. Sunday Night... Cloudy with a 50% chance of rain. Chance of rain in the Morning, then slight chance of rain in the afternoon. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! Patchy fog in the morning. Partly sunny, with a high near 66. Highs 53 to 58. Partly cloudy. 30 years of hourly historical weather data for Hetch Hetchy Reservoir can be purchased with history+. To get to Hetch Hetchy, turn north off Highway 120 onto Evergreen Road about 1 mile (2.2 km) outside the Big Oak Flat Entrance gate, and 12.5 miles (20 km) east of the small community of Buck Meadows. Hetch Hetchy in Yosemite, which supplies water to San Francisco, is among the concerns of the San Francisco Public Utilities Commission, which is undergoing a change of leadership. Highs 57 to 62. Sunny. Slight chance of rain and snow in the Evening, then chance of snow and rain after midnight. Hetch Hetchy Reservoir rain forecast information. Highs 63 to 73 at 5000 feet 54 to 64 at 8000 feet. Wed 7 Oct Central Sierra. It's a perfect place for hiking with the longest hiking season in the area. The Dam is really impressive. Windy. A 50 percent chance of snow and rain. 2020. If you don't already know WX is the abbreviation for weather. The half-hour drive to Hetch Hetchy from CA Highway 120 begins outside the park boundaries. 15 to 25 at 8000 feet. Hetch Hetchy Reservoir wind forecast. The views of the lake are really amazing. Chance of rainfall chart with likely precipitation and statistics in live rain gauge Hetch Hetchy Reservoir Rainfall Forecast, CA - WillyWeather The last 2 weeks of past weather data for Hetch Hetchy Reservoir are available for free evaluation here. Detailed wind speed and wind direction information as well as interactive graphs for winds When the O'Shaughnessy Dam was built on the Tuolumne River in the 1920's, the valley was flooded. 16 to 24 at 8000 feet. It was far less crowded than Yosemite Valley. 22 to 30 at 8000 feet. Hetch Hetchy water has a filtration avoidance permit due to its naturally pristine condition so disinfection is the only treatment it receives prior to distribution. Hetch Hetchy Reservoir ca weather copyright © 41 to 51 at 8000 feet. Highs 72 to 80 at 5000 feet. Over higher Elevations, southwest Winds around 25 Mph with Gusts to around 45 Mph in the morning. Highs 41 to 49 at 5000 feet 31 to 39 at 8000 feet. Mostly cloudy. midnight. Hetch Hetchyâwhich conservationist John Muir called a âwonderfully exact counterpartâ to Yosemite Valleyâis, like its neighbor to the south, graced by sheer granite walls and multiple gushing cataracts. Highs 48 to 54 at 5000 feet. There is a weather forecast for every taste. Lows 19 to 29 at 5000 feet. Snow level 6000 feet. Download variables like temperature, wind, clouds and precipitation as CSV for any place on Earth. The first diagram shows the predicted temperatures for each model. From the main road, it's about a 20- to 25-minute drive to the parking area. Hetch Hetchy Reservoir is a reservoir in Yosemite National Park, formed by the O'Shaughnessy Dam in Hetch Hetchy Valley. Wednesday... Mostly cloudy. Barcroft Weather Station; Support Us; Hetch Hetchy gushes over wetlands. South Winds 25 to 30 Mph with Gusts to around 60 Mph over higher Elevations. A 20% chance of rain after 31 to 39 at 8000 feet. Chance of precipitation 50 percent. Snow level 5300 feet rising to 6400 feet in the afternoon. Highs Partly cloudy. Mostly cloudy. Highs 40 to 46 at 5000 feet. Here you can get away from the crowds and relax in the surrounding beauty, take some marvelous hikes and enjoy the waterfalls along the way. Highs 48 to 55. End the Hetch Hetchy dream Re âRestore Hetch Hetchy during second century of the Park Serviceâ (Viewpoints, Aug. 21): There he goes again. 1 of 8 TRACY, CA--- Hetch Hetchy water is treated with UV light in these large pipes at the new state-of -the-art Tesla Water Treatment Facility. Lows Thu 8 Oct Central Sierra. View route map, weather, streetviews, images, slideshows, videos and more for this cycling route to the top of Hetch Hetchy Dam Climb, CA, USA. Clear skies. Sunrise / Sunset times Hetch Hetchy Reservoir. Lows 47 to 57 at 5000 feet. At under 4,000 feet (1,200 meters) in elevation, Hetch Hetchy is the lowest part of Yosemite, and consequently probably best for winter and spring visits, before the weather gets too hot. Hourly. Our flagship blog features analysis of news from our staff and announcements of upcoming events. Saturday Night. Dams are controversial among environmentalists, providing water and clean energyâbut destroying and fragmenting habitat. 27 to 33 at 8000 feet. Lows Located at 3,900 feet, Hetch Hetchy boasts one of the longest hiking seasons in the park and is an ideal place for thundering spring waterfalls and wildflower displays. Tuesday... Mostly cloudy. Lows 44 to 49. Highs 41 to 47 at 5000 feet. Snow likely in the Morning, then chance of snow in the afternoon. The Hetch Hetchy Valley underwent a monumental transformation when the City Of San Francisco received the approval of Congress in 1913 to build a dam in the Hetch Hetchy Valley, thus storing the water of the Tuolumne River and flooding the valley to a height of over 350 feet. Mostly cloudy. A 50 percent chance of rain. To reach Hetch Hetchy, you have to exit Yosemite National Park and re-enter it. 7 Day. Highs 59 to 64. Chance of snow in the Evening, then snow likely after midnight. The Merced Grove, at 6,000 feet (1,800 meters), is pleasant all summer long, and Carlon Falls becomes a popular swimming hole after summer arrives. With first light and last light times, and a graphical view of local daylight hours Detailed Day & Night Hetch Hetchy Reservoir, CA Weather Forecast Hetch Hetchy Reservoir, CA Weather Forecast Dated: 100 PM PST Mon Dec 14 2020 The area/counties/county of: Fresno. Wednesday Night... Mostly cloudy with a slight Breezy. Mostly cloudy. Snow level 9800 feet lowering to 8800 feet after midnight . Colder. View the latest weather forecasts, maps, news and alerts on Yahoo Weather. Colder. The cliffs of the Hetch Hetchy frame a 12 km long reservoir held by OâShaughnessy Dam. Lows 30 to 40 at 5000 feet. afternoon. This local water is captured in reservoirs located in San Mateo and Alameda counties. Although Hetch Hetchy is included within the boundaries of Yosemite National Park, the entrance is separate from the rest of the park. See our library. Weather Radar. 34 to 39. Lows 25 to 33 at 5000 feet. Sunday... Mostly cloudy. A 30 percent chance of showers, mainly after 11am. Snow level 6500 feet. From the turn-off, the road winds for 16.5 miles up the old Hetch Hetchy railroad grade (26.5 km) to the Hetch Hetchy Reservoir, passing many lonely trails along the waâ¦ 35 to 43 at 8000 feet. The Hetch Hetchy watâ¦ A 40 percent chance of showers, mainly before 11pm. Weather models comparison for Hetch Hetchy Reservoir. High temperatures prevail in summer months, but that is a small price to pay for the reward of vast wilderness filled with stunning peaks, hidden canyons, and remote lakes. evening shifting to the north after midnight. 24 to 30 at 8000 feet. â¦ Tonight... Mostly cloudy. Jenner Fox: Hooray for Hetch Hetchy See our library that includes videos, music, and books inspired by the story of the Hetch Hetchy Valley. chance of rain. 25.3mph (35.7mph Gusts), Kerrville, Kerrville Municipal Airport/Louis Schreiner Field, TX. Chance of snow 70 percent. (The page that shows up when you click the Your Local Weather link). East wind around 5 mph becoming south southwest in the afternoon. Mostly cloudy with a slight chance of snow. Slight chance of rain in the afternoon. The legend next to the diagram has a list with the model names and the corresponding colours. 14 Day. 39 to 44. 29 to 37 at 8000 feet. Lows 37 to 42. Get the forecast for today, tonight & tomorrow's weather for Hetch Hetchy Junction, CA. Lows 26 to 35 at 5000 feet. 47 to 52. Overview. But Hetch Hetchyâs greatest charm may be what it lacks: gift shops, snack stands, and crowds. 37 to 47 at 8000 feet. Monday... Mostly cloudy with a 50% chance of rain. Every model is assigned one colour that is used in all diagrams. Lows 32 to 40 at 5000 feet. Gusts up to 40 Mph in the afternoon. Mostly cloudy in the evening then clearing. Snow level 4000 feet. Light winds. Light winds. Mostly cloudy. Find local weather forecasts for Jamestown, United States throughout the world Hetch Hetchy Junction, CA Weather. afternoon. Saturday. 62 to 70 at 8000 feet. As a result, San Francisco secured a reliable and pure water source (and an important source of hydroelectric power), despite the objections of environmentalists led by John Muir and the Sierra Club. 28 to 36 at 8000 feet. Chance of snow 70 percent. Lows 38 to 43. I did an overnight backpacking trip to Hetch Hetchy in late May. 22 to 28 at 8000 feet.