10-Day Weather Forecast - Fountain Valley, CA
- 77|65°FPartly CloudyHourly details
Today
77°FPartly cloudy this morning. . . Becoming mostly sunny. Highs 81 to 84 towards the coast to 84 to 89 farther inland. Light winds becoming southwest 10 mph this afternoon.
Tonight
65°FMostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 59 to 65. Areas of winds southwest to 10 mph in the evening becoming light.
- 77|65°FPartly CloudyHourly details
Day
77°FPartly cloudy in the morning. . . Becoming mostly sunny. Highs 79 to 83 towards the coast to 84 to 89 farther inland. Light winds becoming southwest 10 mph in the afternoon.
Night
65°FMostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 58 to 64. Areas of winds southwest to 10 mph in the evening becoming light.
- 78|65°FPartly CloudyHourly details
Day
78°FPatchy fog in the morning. Partly cloudy. Highs 78 to 83 towards the coast to 83 to 87 farther inland. Light winds becoming southwest 10 mph in the afternoon.
Night
65°FMostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 58 to 65.
- 79|65°FPartly CloudyHourly details
Day
79°FPartly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 80 to 84 towards the coast to 90 farther inland.
Night
65°FClear in the evening. . . Becoming partly cloudy. Lows 62 to 67.
- 78|65°FPartly CloudyHourly details
Day
78°FPartly cloudy in the morning. . . Becoming mostly sunny. Highs 79 to 83 towards the coast to 86 to 90 farther inland.
Night
65°FClear in the evening. . . Becoming partly cloudy. Lows 61 to 66.
- 76|65°FPartly CloudyHourly details
Day
76°FPartly cloudy. Highs around 79 towards the coast to 83 to 86 farther inland.
Night
65°FMostly clear in the evening. . . Becoming partly cloudy. Lows 60 to 66.
Weekend Weather
- 76|66°FPartly Cloudy
Day
76°FPartly cloudy. Highs around 79 towards the coast to 82 to 85 farther inland.
Night
66°FPartly cloudy. Low temperature around 66F. Dew point will be around 65F with an average humidity of 90%. Winds will be 5 mph from the SW.
- 81|69°FSunny
Day
81°FSunny. High temperature around 81F. Dew point will be around 68F with an average humidity of 74%. Winds will be 6 mph from the SW.
Night
69°FClear. Low temperature around 69F. Dew point will be around 66F with an average humidity of 83%. Winds will be 4 mph from the SW.
- 82|71°FSunny
Day
82°FSunny. High temperature around 82F. Dew point will be around 69F with an average humidity of 70%. Winds will be 6 mph from the SW.
Night
71°FClear. Low temperature around 71F. Dew point will be around 67F with an average humidity of 81%. Winds will be 4 mph from the SW.
- 83|72°FSunny
Day
83°FSunny. High temperature around 83F. Dew point will be around 70F with an average humidity of 71%. Winds will be 6 mph from the SW.
Night
72°FClear. Low temperature around 72F. Dew point will be around 69F with an average humidity of 82%. Winds will be 4 mph from the SW.













