Cooler and Wetter: Rain in Next Week's Forecast

Pasadena set for temperature swings and chance of showers in the coming days

Mar. 29, 2026 at 1:10pm

Pasadena residents are in for a week of weather contrasts, with temperatures expected to drop more than 10 degrees over the next few days and a chance of rain arriving by Tuesday night - a notable shift from the warm, sunny conditions that greeted the city this morning.

Why it matters

The forecast highlights the unpredictable nature of Pasadena's spring weather, which can swing dramatically from hot and dry to cool and wet in a matter of days. The potential rain, while modest, is still noteworthy for a region that closely monitors every drop, and could provide a brief respite for the city's gardens and vegetation.

The details

After a sunny, hot Sunday with a high near 87 degrees, Pasadena will see a steady decline in temperatures through the week, dropping to a low of 73 on Wednesday before gradually warming back up. There is a 20% chance of rain on Tuesday night into Wednesday morning, though no significant accumulations are expected. Winds will remain light throughout the week, with a gentle southwest or south breeze of around 5 mph during the afternoons.

  • Sunday is expected to be the hottest day of the week, with a high near 87 degrees.
  • Temperatures will drop to around 79 on Monday and 75 on Tuesday.
  • There is a 20% chance of rain on Tuesday night into Wednesday morning.
  • Temperatures will gradually recover, reaching a high of 84 by next Saturday.

The players

National Weather Service

The federal agency responsible for weather forecasting and issuing weather-related warnings and advisories.

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The takeaway

This forecast highlights the unpredictable nature of Pasadena's spring weather, with the city set to experience a significant temperature swing and a brief chance of rain in the coming days. While the rain is modest, it could provide a welcome respite for the city's gardens and vegetation, and drivers should be mindful of slippery road conditions when the first drops hit the pavement.