10-Day Weather Forecast - Fountain Valley, CA

Partly cloudy this morning. . . Becoming mostly sunny. Highs around 75 towards the coast to 80 farther inland. Light winds becoming southwest 10 mph this afternoon.

Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Local visibility one quarter mile or less at times overnight. Lows 54 to 57. Light winds.

Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 80 to 84. Light winds becoming west 10 mph in the afternoon.

Mostly clear. Lows 56 to 61. Light winds becoming east to 10 mph overnight.

Mostly sunny. Highs 85 to 90. Areas of winds west to 10 mph.

Partly cloudy. Lows 57 to 61.

Partly cloudy. Highs around 78 towards the coast to 79 to 83 farther inland.

Mostly clear in the evening. . . Becoming partly cloudy. Lows around 55.

Partly cloudy. Highs around 73 towards the coast to 74 to 77 farther inland.

Partly cloudy. Lows 51 to 54.

Partly cloudy. Highs 70 to 73.

Mostly clear in the evening. . . Becoming partly cloudy. Lows around 52.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 72 to 75.

Clear. Low temperature around 48F. Dew point will be around 52F with an average humidity of 100%. Winds will be 2 mph from the SW.

Sunny. High temperature around 65F. Dew point will be around 56F with an average humidity of 82%. Winds will be 4 mph from the SW.

Clear. Low temperature around 49F. Dew point will be around 53F with an average humidity of 96%. Winds will be 2 mph from the SW.

Sunny. High temperature around 66F. Dew point will be around 55F with an average humidity of 76%. Winds will be 3 mph from the W.

Clear. Low temperature around 48F. Dew point will be around 50F with an average humidity of 88%. Winds will be 2 mph from the N.