Welcome Cooler Weather Expected in Pasadena, 10° Drop Starts Tuesday

A cooling trend will bring lower temperatures and increased cloud cover to Pasadena beginning Monday, with highs falling from near 91 degrees to the upper 70s by Wednesday, according to the National Weather Service.

Monday’s forecast calls for sunny skies and a high near 91 degrees. Winds will be light, becoming southwest at 5 to 10 mph in the afternoon. Overnight lows will drop to around 58 degrees under mostly clear skies.

Tuesday will see a noticeable drop in temperature, with highs near 81 degrees and increasing cloud cover by nightfall. Winds will shift to the south-southwest at 5 to 10 mph. Wednesday’s high is forecast at 78 degrees, with fog and drizzle possible before 11:00 a.m.

Forecasters expect the cooling to continue through Thursday, with highs near 77 degrees. Valley temperatures will run 10 to 15 degrees below normal due to marine layer penetration. A slight warming trend is expected Friday, with highs reaching 81 degrees.

Drizzle is most likely Wednesday morning, with a 70 percent chance of low clouds and light precipitation. No measurable rainfall is expected.

Winds in Pasadena will remain light, ranging from 5 to 10 mph and shifting between southwest and southeast. The weekend forecast shows gradual warming. Saturday and Sunday will be sunny, with highs near 85 degrees and lows in the upper 50s. Morning fog may linger Friday but will clear more quickly than earlier in the week.

Pasadena residents may benefit from cooler temperatures and increased cloud cover, which could ease energy demand and offer relief for outdoor workers. Damp mornings and slower clearing are expected through Thursday.

No advisories are currently in effect for Pasadena. Travelers heading north should be aware of wind-related alerts in coastal areas.

The extended forecast calls for continued mild conditions into next week, with highs in the low to mid-80s and no significant precipitation expected.

Here is the latest forecast for Pasadena from the National Weather Service as of 3:39 a.m. Monday:

Today: Sunny, with a high near 91. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

Tonight: Mostly clear, with a low around 58. Southwest wind 5 to 10 mph becoming southeast after midnight.

Tuesday: Sunny, with a high near 81. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

Tuesday Night: Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming south southeast after midnight.

Wednesday: Patchy light drizzle and fog before 11:00 a.m. Mostly sunny, with a high near 78. South southwest wind 5 to 10 mph.

Wednesday Night: Mostly cloudy, with a low around 56.

Thursday: Mostly sunny, with a high near 77.

Thursday Night: Patchy fog after 11:00 p.m. Otherwise, mostly cloudy, with a low around 56.

Friday: Patchy fog before 11:00 a.m. Otherwise, mostly sunny, with a high near 81.

Friday Night: Mostly clear, with a low around 58.

Saturday: Sunny, with a high near 85.

Saturday Night: Mostly clear, with a low around 59.

Sunday: Sunny, with a high near 85.