10-Day Weather Forecast - Fountain Valley, CA

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 81 to 85 towards the coast to 85 to 88 farther inland. Light winds becoming southwest 10 mph in the afternoon.

Mostly clear. Lows 55 to 60. Light winds.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs around 80 towards the coast to 80 to 84 farther inland. Light winds becoming southwest 10 mph in the afternoon.

Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 51 to 54. Areas of winds southwest to 10 mph in the evening becoming light.

Patchy fog in the morning. Partly cloudy. Highs 69 to 73.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 49 to 52.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 72 to 76.

Mostly clear. Lows 50 to 53.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 73 to 77.

Mostly clear in the evening. . . Becoming partly cloudy. Lows around 51.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 73 to 77.

Clear. Lows around 53.

Mostly sunny. Highs 76 to 80.

Clear. Low temperature around 51F. Dew point will be around 46F with an average humidity of 71%. Winds will be 5 mph from the N.

Sunny. High temperature around 70F. Dew point will be around 50F with an average humidity of 57%. Winds will be 3 mph from the N.

Clear. Low temperature around 51F. Dew point will be around 49F with an average humidity of 78%. Winds will be 1 mph from the NE.

Mostly sunny. High temperature around 69F. Dew point will be around 53F with an average humidity of 65%. Winds will be 3 mph from the SW.

Mostly clear. Low temperature around 49F. Dew point will be around 51F with an average humidity of 89%. Winds will be 3 mph from the SW.