Hetch Hetchy Reservoir 7 Day Fishing Forecast

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  • Updated 25th May 2026

Hetch Hetchy Reservoir 7 Day Fishing Forecast Outlook

Thinking of heading out to Hetch Hetchy Reservoir At Hetch Hetchy over the next few days. If so get you'll find all your weather information you'll need over the next seven days. Please ensure to adhere to the fishing regulations for the state. Remember, regulations are there to protect fish species and enable fishing for generations to come. Determine which day is best for you the bag your best catch on Hetch Hetchy Reservoir.

Mon 25th May, 2026 Weather Conditions For Hetch Hetchy Reservoir

Temperature

  • Updated Just Now

During the day the maximum temperature will be 61°F with a min temperature of 41°F around Hetch Hetchy Reservoir . The average temperature will be 50°F during the day.

Cloud Cover & Rain

  • Updated Just Now

Pretty good cloud cover today at 78% although there may be times when the sun will break through but should be enough cloud cover to find a good spot on Hetch Hetchy Reservoir. With that level of cloud coverage in the sky there is a 71% probability of rain.


Wind Direction

  • Updated Just Now

I'm sure you've heard of the old sying: “Wind from the West, fish bite the best. Wind from the East, fish bite the least. Wind from the North, do not go forth. Wind from the South blows bait in their mouth.”. It's more of a wife tail but always fun to recollect.

Its less so about the direction but the cause for the direction. We’ll cover this more in a blog post soon but for Hetch Hetchy Reservoir on Mon 25th May will be from a south westerly direction which means fishing is optimal.


Wind Speed

  • Updated Just Now

Good news, the wind speed is forecasted to be at 11mph and considered in the optimal range for fishing as the ripples caused by the wind on the water's surface will help hide the line an lure on Hetch Hetchy Reservoir
Winds may gust up to 12mph


Tue 26th May, 2026 Weather Conditions For Hetch Hetchy Reservoir

Temperature

  • Updated Just Now

During the day the maximum temperature will be 45°F with a min temperature of 29°F around Hetch Hetchy Reservoir . The average temperature will be 39°F during the day.

Cloud Cover & Rain

  • Updated Just Now

Pretty good cloud cover today at 89% although there may be times when the sun will break through but should be enough cloud cover to find a good spot on Hetch Hetchy Reservoir. With that level of cloud coverage in the sky there is a 72% probability of rain.


Wind Direction

  • Updated Just Now

I'm sure you've heard of the old sying: “Wind from the West, fish bite the best. Wind from the East, fish bite the least. Wind from the North, do not go forth. Wind from the South blows bait in their mouth.”. It's more of a wife tail but always fun to recollect.

Its less so about the direction but the cause for the direction. We’ll cover this more in a blog post soon but for Hetch Hetchy Reservoir on Tue 26th May will be from a south westerly direction which means fishing is optimal.


Wind Speed

  • Updated Just Now

Good news, the wind speed is forecasted to be at 15mph and considered in the optimal range for fishing as the ripples caused by the wind on the water's surface will help hide the line an lure on Hetch Hetchy Reservoir
Winds may gust up to 18mph


Wed 27th May, 2026 Weather Conditions For Hetch Hetchy Reservoir

Temperature

  • Updated Just Now

During the day the maximum temperature will be 38°F with a min temperature of 27°F around Hetch Hetchy Reservoir . The average temperature will be 32°F during the day.

Cloud Cover & Rain

  • Updated Just Now

Cloud cover not as optimal today at 72% but still enough cover there to grab a catch on Hetch Hetchy Reservoir With that level of cloud coverage in the sky there is a 100% probability of rain.


Wind Direction

  • Updated Just Now

I'm sure you've heard of the old sying: “Wind from the West, fish bite the best. Wind from the East, fish bite the least. Wind from the North, do not go forth. Wind from the South blows bait in their mouth.”. It's more of a wife tail but always fun to recollect.

Its less so about the direction but the cause for the direction. We’ll cover this more in a blog post soon but for Hetch Hetchy Reservoir on Wed 27th May will be from a south westerly direction which means fishing is optimal.


Wind Speed

  • Updated Just Now

Good news, the wind speed is forecasted to be at 8mph and considered in the optimal range for fishing as the ripples caused by the wind on the water's surface will help hide the line an lure on Hetch Hetchy Reservoir
Winds may gust up to 10mph


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