10-Day Weather Forecast - Fountain Valley, CA

Mostly sunny. Highs 79 to 82. Areas of winds northeast to 10 mph becoming north with gusts to 25 mph in the afternoon.

Mostly clear. Lows around 55. Areas of winds northeast 10 to 15 mph with gusts to 25 mph.

Mostly sunny. Highs around 80. Areas of winds east 10 to 15 mph with gusts to 25 mph becoming west in the afternoon.

Mostly clear in the evening. . . Becoming partly cloudy. Lows around 54. Areas of winds east to 10 mph.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs around 77 towards the coast to 80 farther inland.

Mostly clear. Lows around 54.

Mostly sunny. Highs around 79.

Mostly clear in the evening. . . Becoming partly cloudy. Lows around 54.

Partly cloudy. Highs around 78.

Partly cloudy in the evening. . . Becoming mostly clear. Lows around 54.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 75 to 78.

Partly cloudy. Lows 51 to 54.

Partly cloudy. Highs 71 to 74.

Partly cloudy. Low temperature around 49F. Dew point will be around 49F with an average humidity of 82%. Winds will be 4 mph from the S.

Mostly sunny. High temperature around 63F. Dew point will be around 51F with an average humidity of 75%. Winds will be 5 mph from the S.

Partly cloudy. Low temperature around 46F. Dew point will be around 49F with an average humidity of 98%. Winds will be 6 mph from the S.

Cloudy. High temperature around 60F. Dew point will be around 51F with an average humidity of 84%. Winds will be 6 mph from the SW.

Partly cloudy. Low temperature around 43F. Dew point will be around 47F with an average humidity of 98%. Winds will be 4 mph from the SW.