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      • Environmental Impact

        Cooler Temperatures Ahead for Pasadena and San Gabriel Valley After Monday Heat

        • News Desk
          • August 10, 2026
          • 0 comments
      buildings

      Jet Propulsion Laboratory (JPL) (Photo – Colorado Boulevard Newspaper)

      Residents across the Greater Pasadena Area and San Gabriel Valley can expect a warm start to the week, followed by a gradual cooling trend through Thursday before temperatures begin to rebound heading into the weekend.

      By News Desk

      Monday will be mostly sunny, with temperatures reaching a high near 93 degrees. Winds will start out light from the south before becoming southwesterly at 5 to 10 mph during the afternoon.

      Monday night will turn mostly cloudy, with temperatures falling to around 63 degrees. Southwesterly winds around 5 mph are expected to become calm during the evening.

      Tuesday will begin mostly cloudy across the area before skies gradually clear by late morning. The high temperature is expected to reach around 89 degrees.

      A light south wind will become southwesterly at 5 to 10 mph during the afternoon. Tuesday night will be mostly clear, with a low near 62 degrees. Light southwest winds will become calm in the evening.

      A noticeable cooldown will arrive Wednesday, when temperatures are expected to reach only around 85 degrees.

      Patchy fog is possible before 11 a.m. Wednesday, followed by partly sunny skies. Wednesday night will become mostly cloudy, with temperatures dropping to around 60 degrees. Patchy fog is expected to develop again after 11:00 pm.

      Thursday will continue the cooler pattern, with patchy morning fog before 11 a.m. followed by partly sunny conditions. The high will be near 82 degrees, with partly cloudy skies at night and a low around 59 degrees.

      Temperatures will begin to climb again Friday, with mostly sunny skies and a high near 84 degrees. Friday night will be mostly clear, with a low around 59 degrees.

      Saturday will remain mostly sunny, with a high near 85 degrees. The overnight low will be around 60 degrees under partly cloudy skies.

      By Sunday, mostly sunny conditions are expected, with temperatures rising to around 87 degrees.

      The Week Ahead at a Glance

      The Greater Pasadena Area and San Gabriel Valley will see a shift from early-week heat to cooler midweek temperatures, with the coolest daytime conditions arriving Thursday. Morning fog will be a recurring feature Wednesday and Thursday, while temperatures gradually rise again toward the weekend.

      Overall, the forecast calls for mostly sunny conditions Monday and Friday through Sunday, a cooler and somewhat cloudier middle of the week, and no precipitation mentioned in the forecast provided.

      Tagged: Cooler Temperatures Ahead for Pasadena and San Gabriel Valley After Monday HeatAlhambraAltadenaPasadena

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          Our News Desk department consists of a collective of news gatherers in order to keep the community informed and safe.

          Award-winning Colorado Boulevard Newspaper is your go-to source for informative news, engaging events, and vibrant community life in the greater Pasadena area. We’re proud to be recognized for excellence in journalism and remain committed to informing, educating, and collaborating to create a better world, both locally and globally.

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