10-Day Weather Forecast - Signal Hill, CA

Low clouds and fog. Highs in the upper 60s to mid 70s.

Low clouds and fog developing. Lows around 60.

Low clouds and fog. Highs in the upper 60s to mid 70s.

Mostly cloudy with a 20 percent chance of rain. Lows around 60.

Partly cloudy in the morning then sunny. Highs around 70.

Partly cloudy. Lows in the mid 50s.

Mostly cloudy in the morning then partly cloudy. Highs around 70.

Partly cloudy. Lows in the mid 50s.

Mostly cloudy in the morning then sunny. Highs in the lower to mid 70s.

Mostly clear. Lows in the mid 50s.

Sunny. Highs in the mid to upper 70s.

Mostly clear. Lows in the upper 50s.

Sunny. Highs in the mid 70s to lower 80s.

Clear. Low temperature around 57F. Dew point will be around 53F with an average humidity of 75%. Winds will be 3 mph from the W.

Sunny. High temperature around 69F. Dew point will be around 56F with an average humidity of 69%. Winds will be 5 mph from the SW.

Clear. Low temperature around 55F. Dew point will be around 55F with an average humidity of 85%. Winds will be 3 mph from the SW.

Sunny. High temperature around 69F. Dew point will be around 56F with an average humidity of 73%. Winds will be 5 mph from the SW.

Clear. Low temperature around 55F. Dew point will be around 55F with an average humidity of 85%. Winds will be 3 mph from the SW.