10-Day Weather Forecast - Fountain Valley, CA

Mostly sunny. Highs 69 to 72. Areas of winds northeast 15 to 25 mph. Gusts to 45 mph. . . Becoming 40 mph in the afternoon.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 48 to 52. Areas of winds northeast 15 to 25 mph. Gusts to 40 mph. . . Becoming 35 mph overnight.

Sunny. Highs 71 to 74. Areas of winds east 15 to 25 mph with gusts to 40 mph becoming northeast 10 to 15 mph with gusts to 30 mph in the afternoon.

Mostly clear. Lows 54 to 57. Areas of winds northeast 10 to 15 mph. Gusts to 30 mph. . . Becoming 25 mph overnight.

Partly cloudy. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs around 70.

Showers. Locally heavy rainfall possible. Lows 53 to 56.

Showers. Locally heavy rainfall possible in the morning. Highs around 66.

Showers likely. Lows 53 to 56.

Showers likely. Highs around 67.

Showers likely. Lows 52 to 55.

Mostly cloudy with showers likely in the morning then partly cloudy with a chance of showers in the afternoon. Highs around 65.

Partly cloudy with a chance of showers. Lows 49 to 53.

Partly cloudy with a chance of showers. Highs around 65.

Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 51F. Dew point will be around 52F with an average humidity of 99%. Winds will be 3 mph from the SE.

Partly cloudy. High temperature around 63F. Dew point will be around 54F with an average humidity of 84%. Winds will be 3 mph from the SW.

Cloudy. Low temperature around 51F. Dew point will be around 51F with an average humidity of 91%. Winds will be 2 mph from the SW.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 64F. Dew point will be around 54F with an average humidity of 81%. Winds will be 2 mph from the SW.

Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 51F. Dew point will be around 49F with an average humidity of 84%. Winds will be 2 mph from the E.