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Hazardous Weather Conditions

Heat Advisory until September 2, 06:00 PM PDT

Current conditions at

ACTON (ATNC1)

Lat: 34.44639° N Lon: 118.1968° W Elev: 2600.0 ft.

93°F

34°C

Humidity	18%
Wind Speed	W 7 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Heat Index	89°F (32°C)
Last update	31 Aug 06:54 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Tonight

Clear. Lows in the mid 60s to mid 70s. Southwest winds around 15 mph in the evening.

Labor Day

Sunny. Highs from 94 to 102 at low elevations to the mid 80s to lower 90s at high elevations. Southwest winds 15 to 25 mph in the afternoon.

Monday Night

Mostly clear in the evening, becoming partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s to mid 70s. Southwest winds 15 to 25 mph in the evening.

Tuesday

Partly cloudy with a slight chance of showers and thunderstorms. Highs from 94 to 101 at low elevations to the mid 80s to lower 90s at high elevations. Southwest winds around 15 mph in the afternoon.

Tuesday Night

Mostly clear. Lows in the mid 60s to mid 70s. Southwest winds around 15 mph in the evening.

Wednesday

Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs from 94 to 101 at low elevations to the mid 80s to lower 90s at high elevations.

Wednesday Night

Clear. Lows in the mid 60s to lower 70s.

Thursday

Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs from the upper 80s to mid 90s at low elevations to the lower to mid 80s at high elevations.

Thursday Night

Clear. Lows in the 60s to lower 70s.

Friday

Sunny. Highs from the upper 80s to mid 90s at low elevations to the upper 70s to mid 80s at high elevations.

Friday Night

Clear. Lows in the upper 50s and 60s.

Saturday

Sunny. Highs from the mid 80s to lower 90s at low elevations to the mid 70s to lower 80s at high elevations.

Saturday Night

Clear. Lows in the upper 50s and 60s.

Sunday

Sunny. Highs from the mid 80s to around 90 at low elevations to the mid 70s to lower 80s at high elevations.