Spring officially began on March 20, 2026, at 7:46 am, marking the astronomical transition into the new season.
By News Desk
Meteorologists, however, consider spring to have started on March 1, running through May 31. Despite the seasonal shift, the Greater Pasadena Area and the San Gabriel Valley are entering spring under unusually intense heat.
Extreme Heat Warning in Effect
An Extreme Heat Warning remains in place until 8:00 pm PDT on March 20, with temperatures far above typical early‑spring norms. Residents are urged to take precautions, stay hydrated, and limit outdoor activity during peak afternoon hours.
Weather Overview: Friday Through Monday
Friday:
- High: Near 99°F, exceptionally hot for March
- Conditions: Sunny
- Winds: Southeast 5–10 mph, shifting to south‑southwest in the afternoon
- Tonight: Clear, low around 58°F, with light winds
Saturday:
- High: Near 92°F
- Conditions: Sunny
- Winds: Calm in the morning, becoming southwest around 5 mph
- Saturday Night: Partly cloudy, low around 55°F
Sunday:
- High: Near 90°F
- Conditions: Mostly sunny
- Winds: Calm early, then southwest around 5 mph
- Sunday Night: Clear, low around 56°F
Monday:
- High: Near 93°F
- Conditions: Sunny
- Monday Night: Clear, low around 56°F
A Hot Start to the Season
While spring often brings mild temperatures and gradual warming, this year’s arrival is marked by a heat surge more typical of midsummer. The pattern is expected to ease slightly over the weekend, though temperatures will remain well above average.










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