Arroyo Las Positas 7 Day Fishing Forecast Outlook
Thinking of heading out to Arroyo Las Positas At Livermore 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 Arroyo Las Positas.
Sat 31st January, 2026 Weather Conditions For Arroyo Las Positas
Temperature
During the day the maximum temperature will be 65°F with a min temperature of 43°F around Arroyo Las Positas . The average temperature will be 52°F during the day.
Cloud Cover & Rain
You'll need a sun hat today if you head out to Arroyo Las Positas as you'll be in the sun more often than not as coverage is only at 7%. With that level of cloud coverage in the sky there is a 0% probability of rain.
Wind Direction
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 Arroyo Las Positas on Sat 31st January will be from a north easterly direction which means fishing is not great.
Wind Speed
With the wind forecasted at 4mph hardly a puff out there makes for a calm mirror like surface. With the wind so light less ripples in the water makes it more difficult to mask the line and lure on Arroyo Las Positas
Winds may gust up to 4mph
Sun 1st February, 2026 Weather Conditions For Arroyo Las Positas
Temperature
During the day the maximum temperature will be 66°F with a min temperature of 46°F around Arroyo Las Positas . The average temperature will be 54°F during the day.
Cloud Cover & Rain
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 Arroyo Las Positas. With that level of cloud coverage in the sky there is a 0% probability of rain.
Wind Direction
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 Arroyo Las Positas on Sun 1st February will be from a north westerly direction which means fishing is optimal.
Wind Speed
Good news, the wind speed is forecasted to be at 5mph 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 Arroyo Las Positas
Winds may gust up to 5mph
Mon 2nd February, 2026 Weather Conditions For Arroyo Las Positas
Temperature
During the day the maximum temperature will be 65°F with a min temperature of 39°F around Arroyo Las Positas . The average temperature will be 51°F during the day.
Cloud Cover & Rain
You'll need a sun hat today if you head out to Arroyo Las Positas as you'll be in the sun more often than not as coverage is only at 13%. With that level of cloud coverage in the sky there is a 0% probability of rain.
Wind Direction
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 Arroyo Las Positas on Mon 2nd February will be from a north easterly direction which means fishing is not great.
Wind Speed
With the wind forecasted at 4mph hardly a puff out there makes for a calm mirror like surface. With the wind so light less ripples in the water makes it more difficult to mask the line and lure on Arroyo Las Positas
Winds may gust up to 4mph
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