Pasadena residents will see steady, below-normal temperatures through Friday before rain chances increase over the Labor Day weekend, according to National Weather Service forecasters. Highs will remain in the mid-80s, with lows in the upper 50s, before tropical moisture raises the likelihood of showers beginning Saturday.
Today will be sunny with a high near 85 degrees. Winds will shift from east-southeast in the morning to southwest by afternoon. Tonight will be mostly clear, with a low around 58 and light breezes.
Forecasters expect similar conditions Thursday and Friday, with highs near 84–85 and overnight lows around 58–59. Winds will remain light, alternating between easterly mornings and southwesterly afternoons.
Temperatures will stay about 5–10 degrees below early September averages, offering a break from the hotter, humid conditions of recent months.
Rain chances begin Saturday afternoon, with a 20 percent chance of showers after 11:00 a.m. Clouds will increase Saturday night, with showers more likely after 11:00 p.m. Sunday brings a higher chance of showers under partly sunny skies, with highs near 87. Light rainfall amounts of 0.10–0.50 inches are possible through Tuesday, though forecasters note only a small chance of heavier rain or thunderstorms.
Winds will remain light, generally 5–10 mph, shifting between east-southeast and southwest. No advisories are currently in effect for Pasadena.
The weekend outlook calls for mostly sunny skies Saturday, increasing clouds Sunday, and scattered showers through Labor Day. Temperatures will hold steady in the mid- to upper-80s, with overnight lows in the mid-60s. Outdoor activities may be affected by intermittent showers, though heavy rainfall is unlikely.
Locally, Pasadena’s parks, trails, and outdoor venues may see damp conditions Sunday and Monday. Residents are advised to monitor forecasts for updates, especially with tropical moisture influencing the region.
Looking ahead, the extended forecast through Tuesday keeps highs near 87 with slight chances of showers each day. Conditions remain unsettled but manageable, with no major weather hazards expected.
In summary, Pasadena will enjoy a mild, steady week before a dynamic holiday weekend. Light showers are possible beginning Saturday, with scattered rainfall Sunday through Tuesday. Forecasters recommend staying alert to updates as tropical moisture patterns evolve.
Here is the Pasadena forecast from the National Weather Service as of 4:11 a.m. Wednesday:
Today: Sunny, with a high near 85. East southeast wind 5 to 10 mph becoming southwest in the afternoon.
Tonight: Mostly clear, with a low around 58. Southwest wind 5 to 10 mph becoming east after midnight.
Thursday: Sunny, with a high near 85. East southeast wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night: Mostly clear, with a low around 58. South southwest wind around 5 mph becoming east southeast after midnight.
Friday: Sunny, with a high near 84. East southeast wind around 5 mph becoming south southwest in the afternoon.
Friday Night: Mostly clear, with a low around 59.
Saturday: A 20 percent chance of showers after 11:00 a.m. Mostly sunny, with a high near 86.
Saturday Night: A chance of showers, mainly after 11:00 p.m. Mostly cloudy, with a low around 65.
Sunday: A chance of showers. Partly sunny, with a high near 87.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 65.
Labor Day: A slight chance of showers. Mostly sunny, with a high near 87.
Monday Night: A chance of showers. Partly cloudy, with a low around 64.
Tuesday: A slight chance of showers. Mostly sunny, with a high near 87.
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