10-Day Weather Forecast - Fountain Valley, CA

Partly cloudy this morning. . . Becoming mostly cloudy. Highs 81 to 86. Areas of winds east 10 to 20 mph with gusts to 30 mph becoming south 10 mph this afternoon.

Mostly cloudy. Lows 52 to 55. Areas of winds south 10 mph in the evening becoming light.

Partly cloudy. Cooler. Highs 69 to 73. Areas of winds south to 10 mph.

Partly cloudy. Lows 50 to 53. Light winds.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 72 to 76. Light winds becoming west 10 mph in the afternoon.

Clear. Lows 52 to 55.

Mostly sunny. Highs 77 to 81.

Mostly clear. Lows around 54.

Mostly sunny in the morning. . . Becoming partly cloudy. Highs 73 to 76.

Mostly cloudy. Lows around 53.

Cloudy with a slight chance of showers in the morning then mostly cloudy with a chance of showers in the afternoon. Highs 66 to 70.

Mostly cloudy. A chance of showers. Lows around 50.

Mostly cloudy. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs 64 to 67.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 45F. Dew point will be around 52F with an average humidity of 100%. Winds will be 2 mph from the SW.

Sunny. High temperature around 62F. Dew point will be around 53F with an average humidity of 84%. Winds will be 3 mph from the SW.

Clear. Low temperature around 46F. Dew point will be around 49F with an average humidity of 93%. Winds will be 2 mph from the NE.

Sunny. High temperature around 63F. Dew point will be around 53F with an average humidity of 78%. Winds will be 3 mph from the SW.

Clear. Low temperature around 47F. Dew point will be around 50F with an average humidity of 94%. Winds will be 3 mph from the SW.

Mostly sunny. High temperature around 63F. Dew point will be around 54F with an average humidity of 82%. Winds will be 4 mph from the SW.

Mostly clear. Low temperature around 46F. Dew point will be around 51F with an average humidity of 99%. Winds will be 4 mph from the S.