10-Day Weather Forecast - Fountain Valley, CA

Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 80 to 84. Areas of winds northwest to 10 mph with gusts to 25 mph in the morning becoming light.

Clear. Lows 51 to 59. Areas of winds northeast 10 to 20 mph. Gusts to 30 mph. . . Becoming 35 mph overnight.

Sunny. Highs 85 to 89. Areas of winds northeast 10 to 20 mph. Gusts to 35 mph. . . Becoming 30 mph in the afternoon.

Mostly clear. Lows 54 to 61. Areas of winds east 10 to 20 mph with gusts to 30 mph.

Partly cloudy. Highs 78 to 83.

Partly cloudy in the evening. . . Becoming mostly cloudy. Lows 54 to 57.

Partly cloudy. Highs 71 to 74.

Partly cloudy. Lows around 53.

Partly cloudy. Highs 71 to 74.

Mostly clear. Lows around 52.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 73 to 76.

Mostly clear in the evening. . . Becoming partly cloudy. Lows around 53.

Mostly cloudy in the morning then partly cloudy with a slight chance of showers in the afternoon. Highs 70 to 73.

Mostly clear. Low temperature around 47F. Dew point will be around 51F with an average humidity of 97%. Winds will be 4 mph from the S.

Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 62F. Dew point will be around 54F with an average humidity of 88%. Winds will be 4 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 43F. Dew point will be around 47F with an average humidity of 99%. Winds will be 4 mph from the S.

Mostly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 58F. Dew point will be around 51F with an average humidity of 91%. Winds will be 4 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 42F. Dew point will be around 45F with an average humidity of 100%. Winds will be 4 mph from the E.