Pasadena to See Cooler Temps, Four Days of Light Rain This Week

Rain, clouds and cooler temperatures coming back to town this week, forecasters said Monday.

Light showers and drizzle began falling throughout the region early Monday morning, with breezy wind and a 40% chance of rain in the forecast.

An unseasonably cold storm system will move over the region between Monday and Thursday, bringing rain and mountain snow, gusty winds and a slight chance of thunderstorms, according to the National Weather Service.

The NWS said there is the potential for heavier rainfall Tuesday through Thursday, especially Thursday.

“We are still looking at a big change in the weather this week, with a storm system bringing rain & mountain snow Tue-Thu,” the NWS’ Los Angeles office tweeted Sunday afternoon.

The weather service also reported a slight chance of thunderstorms Wednesday and Thursday.

Temps will fall to low 60’s, and just 50 on Wednesday, the NWS said.

The NWS predicted a “good chance of a warming and drying trend for late week,” with temperatures rebounding into the lower to mid-70s

Here is the forecast for Pasadena in daily detail:

Monday: Patchy drizzle with a chance of rain before 11 a.m., then a chance of rain after 11 a.m. Patchy fog before 11 a.m. Otherwise, cloudy, with a high near 62. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night: A 40 percent chance of rain. Cloudy, with a low around 50. South wind around 10 mph, with gusts as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: A 30 percent chance of rain, mainly before 11 a.m. Cloudy, with a high near 60. South southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night: A 20 percent chance of rain after 11 p.m. Mostly cloudy, with a low around 47. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

Wednesday: A 40 percent chance of rain, mainly after 11 a.m. Mostly cloudy, with a high near 59.

Wednesday Night: Rain. Low around 47. Chance of precipitation is 80%.

Thursday: Rain and possibly a thunderstorm. Mostly cloudy, with a high near 61.

Thursday Night: Mostly cloudy, with a low around 47.

Friday: Partly sunny, with a high near 64.

Friday Night: Partly cloudy, with a low around 47.

Saturday: Mostly sunny, with a high near 68.

Saturday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 50.

Sunday: Patchy fog. Otherwise, partly sunny, with a high near 70.