10-Day Weather Forecast - Fountain Valley, CA

Mostly cloudy in the morning. . . Becoming partly cloudy. Highs 66 to 69. Light winds becoming west 10 mph in the afternoon.

Partly cloudy. Lows 47 to 54. Areas of winds west 10 mph in the evening becoming light.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 72 to 77. Areas of winds southwest to 10 mph becoming west in the afternoon.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 51 to 54.

Partly cloudy. Highs 74 to 77.

Partly cloudy. A slight chance of showers overnight. Lows 53 to 56.

Partly cloudy. Highs 72 to 76.

Mostly clear. Lows 52 to 56.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs around 76 towards the coast to 80 farther inland.

Mostly clear. Lows 54 to 57.

Partly cloudy. Highs 75 to 78 towards the coast to 80 farther inland.

Partly cloudy. Low temperature around 58F. Dew point will be around 59F with an average humidity of 93%. Winds will be 4 mph from the SW.

Partly cloudy. High temperature around 69F. Dew point will be around 61F with an average humidity of 83%. Winds will be 6 mph from the SW.

Partly cloudy. Low temperature around 55F. Dew point will be around 56F with an average humidity of 91%. Winds will be 4 mph from the SW.

Mostly cloudy. High temperature around 66F. Dew point will be around 59F with an average humidity of 83%. Winds will be 5 mph from the SW.

Partly cloudy. Low temperature around 55F. Dew point will be around 57F with an average humidity of 95%. Winds will be 4 mph from the SW.

Cloudy. High temperature around 66F. Dew point will be around 60F with an average humidity of 85%. Winds will be 5 mph from the SW.

Mostly clear. Low temperature around 56F. Dew point will be around 57F with an average humidity of 95%. Winds will be 3 mph from the SW.