A stretch of cooler-than-normal weather will linger over Pasadena through Friday, with daytime highs in the upper 70s to low 80s and very light morning drizzle is even possible, according to the National Weather Service.
Forecasters said the marine layer will dominate morning conditions through the end of the week, bringing patchy fog and low clouds before gradual afternoon clearing. Temperatures are expected to rise slightly over the weekend, reaching the mid-80s by Tuesday.
Wednesday’s forecast calls fog before 11:00 a.m., followed by clearing skies and a high near 81 degrees. Winds will be light from the south at 5 to 10 mph, with gusts up to 15 mph. Overnight lows will fall to around 56 degrees.
Thursday and Friday will follow a similar pattern, with highs near 79 and 80 degrees, respectively. Morning cloud cover will persist, but clearer skies are expected by Friday afternoon as a weak ridge builds over the region.
The warming trend begins Saturday, with highs near 83 degrees and mostly sunny skies. Temperatures will continue to rise through early next week, peaking near 87 degrees on Tuesday.
No measurable rainfall is forecast for Pasadena, though drizzle may occur through Friday morning. The chance of mountain showers is low, around 10 percent, and not expected to affect the city.
Winds will remain light and variable, with daytime breezes between 5 to 10 mph and occasional gusts. Evening winds will shift southeast and taper off overnight.
Weekend conditions are favorable for outdoor activities, with mostly sunny skies and highs in the low 80s. Morning fog may linger but will clear by midday. Overnight lows will stay in the upper 50s.
Pasadena’s cooler temperatures may benefit residents attending outdoor events or working in non-air-conditioned spaces. The marine layer could impact visibility during early commutes, especially in low-lying areas.
The extended forecast shows continued sunshine and warming into next week. Monday’s high will reach 84 degrees, followed by 87 degrees on Tuesday. Overnight lows will remain steady in the upper 50s.
Pasadena will see a brief cool spell through Friday, followed by a gradual warming trend and clearer skies heading into next week.
Here is the latest forecast for Pasadena from the National Weather Service as of 4:11 a.m. Wednesday:
Wednesday: Patchy drizzle and fog before 11:00 a.m. Cloudy through mid-morning, then gradual clearing, with a high near 81. South wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night: Increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 15 mph.
Thursday: Cloudy through mid-morning, then gradual clearing, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night: Patchy fog after 11:00 p.m. Otherwise, mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming light south southeast in the evening.
Friday: Patchy fog before 11:00 a.m. Otherwise, mostly sunny, with a high near 80.
Friday Night: Mostly clear, with a low around 58.
Saturday: Sunny, with a high near 83.
Saturday Night: Patchy fog after 11:00 p.m. Otherwise, mostly cloudy, with a low around 59.
Sunday: Patchy fog before 11:00 a.m. Otherwise, mostly sunny, with a high near 83.
Sunday Night: Mostly clear, with a low around 58.
Monday: Sunny, with a high near 84.
Monday Night: Mostly clear, with a low around 59.
Tuesday: Sunny, with a high near 87.
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