A shallow marine layer will return to Pasadena this week, producing patchy morning fog and low clouds while daytime highs stay near seasonal norms, National Weather Service forecasters said Wednesday.
Temperatures through Friday are expected to remain steady, reaching around 88 degrees each afternoon with overnight lows near 61 degrees. Winds will be light and variable, becoming calm during the evenings.
Forecasters said the pattern will continue into the weekend, with fog persisting before 11 a.m. each day and mostly sunny skies during the afternoons. Highs Saturday and Sunday will reach about 89 degrees, with nighttime temperatures holding in the lower 60s.
The forecast remains dry, with no rain expected through early next week. Fog and low clouds will be limited primarily to early mornings, clearing by midday.
Wind conditions are expected to stay mild, with afternoon breezes around 5 mph. No wind advisories have been issued for Pasadena.
Although a tsunami advisory has been posted for coastal areas of Los Angeles, Ventura, Santa Barbara, and San Luis Obispo counties, it does not affect Pasadena directly. The advisory warns of potentially dangerous currents near harbors and marinas but no widespread flooding. Residents planning coastal travel should heed guidance from local emergency officials.
Forecasters said the current weather pattern will remain static through next Tuesday. Slight warming may occur beginning Aug. 6, though temperatures will stay close to late-summer averages.
Here is the latest forecast for Pasadena from the National Weather Service as of 3:18 a.m.Wednesday:
Wednesday: Patchy fog before 11:00 am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night: Clear, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Thursday: Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night: Clear, with a low around 61. South southwest wind around 5 mph becoming calm in the evening.
Friday: Patchy fog before 11:00 a.m. Otherwise, sunny, with a high near 88.
Friday Night: Patchy fog after 11:00 p.m. Otherwise, mostly cloudy, with a low around 62.
Saturday: Patchy fog before 11:00 a.m. Otherwise, mostly sunny, with a high near 89.
Saturday Night: Patchy fog after 11:00 p.m. Otherwise, mostly cloudy, with a low around 62.
Sunday: Patchy fog before 11:00 a.m. Otherwise, mostly sunny, with a high near 89.
Sunday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 62.
Monday: Patchy fog. Otherwise, mostly sunny, with a high near 88.
Monday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 62.
Tuesday: Patchy fog. Otherwise, mostly sunny, with a high near 87.
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