10-Day Weather Forecast - Fountain Valley, CA

Mostly cloudy in the morning. . . Becoming partly cloudy. Highs around 77 towards the coast to 80 farther inland. Light winds becoming south 10 mph in the afternoon.

Partly cloudy in the evening. . . Becoming mostly cloudy. Lows 54 to 59. Areas of winds south 10 mph in the evening becoming light.

Cloudy. Highs 72 to 75. Light winds becoming southwest 10 mph in the afternoon.

Mostly cloudy. A slight chance of showers overnight. Lows 54 to 58. Areas of winds southwest 10 mph in the evening becoming light. Chance of measurable precipitation 20 percent.

Mostly cloudy in the morning. . . Becoming partly cloudy. Highs 72 to 75.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 53 to 56.

Mostly cloudy in the morning. . . Becoming partly cloudy. Highs 69 to 73.

Partly cloudy. Lows 50 to 53.

Partly cloudy. Highs 74 to 77.

Mostly clear. Lows 51 to 54.

Mostly sunny. Highs 79 to 83.

Clear. Lows 53 to 56.

Mostly sunny. Highs around 83 towards the coast to 84 to 87 farther inland.

Clear. Low temperature around 57F. Dew point will be around 55F with an average humidity of 82%. Winds will be 3 mph from the W.

Sunny. High temperature around 67F. Dew point will be around 59F with an average humidity of 81%. Winds will be 5 mph from the SW.

Clear. Low temperature around 55F. Dew point will be around 56F with an average humidity of 92%. Winds will be 3 mph from the SW.

Sunny. High temperature around 66F. Dew point will be around 59F with an average humidity of 85%. Winds will be 5 mph from the SW.

Clear. Low temperature around 55F. Dew point will be around 56F with an average humidity of 92%. Winds will be 2 mph from the SW.