7-Day Zone Forecast for Eastern San Gabriel Mountains (Text-Only)
NWS Forecast for: Eastern San Gabriel Mountains
Issued by: National Weather Service Los Angeles/Oxnard, CA
Last Update: 207 PM PDT Wed Aug 12 2026


Tonight: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the 50s to lower 60s. South winds 15 to 25 mph.

Thursday: Mostly cloudy. Highs from the mid 70s to lower 80s at low elevations to the mid 60s to around 70 at high elevations. Southwest winds 15 to 25 mph. Gusts to 35 mph in the afternoon.

Thursday Night: Mostly cloudy. Lows in the 50s to around 60. South winds 15 to 25 mph.

Friday: Partly cloudy in the morning then sunny. Highs from the mid 70s to mid 80s at low elevations to the mid 60s to lower 70s at high elevations. South winds around 15 mph in the afternoon.

Friday Night: Clear. Lows in the 50s to around 60. Southwest winds around 15 mph in the evening.

Saturday: Sunny. Highs from the upper 70s to mid 80s at low elevations to the upper 60s to mid 70s at high elevations.

Saturday Night: Clear. Lows in the mid 50s to lower 60s.

Sunday: Sunny. Highs from the upper 70s and 80s at low elevations to the upper 60s to mid 70s at high elevations.

Sunday Night: Mostly clear. Lows in the mid 50s to mid 60s.

Monday: Partly cloudy. Highs from the 80s at low elevations to the 70s at high elevations.

Monday Night: Partly cloudy in the evening then mostly clear. Lows in the mid 50s to mid 60s.

Tuesday: Sunny. Highs from the 80s to around 90 at low elevations to the 70s at high elevations.

Tuesday Night: Mostly clear. Lows in the 60s to around 70 except the mid to upper 50s colder valleys and slopes.

Wednesday: Sunny. Highs from the 80s to around 90 at low elevations to the 70s at high elevations.







Zone Forecast: Eastern San Gabriel Mountains

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