Weather Alert
Fountain Valley Weather Warning NWS WEATHER ALERT FOR THE FOUNTAIN VALLEY, CA AREA - FLOOD WARNING Issued: 202 AM PDT Tue Oct 27 2026 Fountain Valley Weather Warning

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Fountain Valley, CA Weather - Hour by Hour Forecast

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Fountain Valley, CA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Partly Cloudy. Temperature is 60°F16°C, dew point 53°F12°C, humidity 77%. Wind direction is NNE at 3 mph5 km/h with visibility of 10 mi16 km. Barometric pressure is 29.99 in1015 mb.
Today - Partly cloudy with patchy fog this morning...Becoming mostly sunny. Highs around 72 at The beaches to 73 to 76 farther inland and .. Full Forecast
Tonight - Partly cloudy in the evening...Becoming mostly cloudy overnight with patchy fog. Lows 55 to 59. Light winds... Full Forecast

Fountain Valley Hourly Weather

24 Hour Forecast Scroll
Tue, Oct 27
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Fountain Valley, CA Hourly Weather - Mostly Clear - 6:00 AM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 7:00 AM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 8:00 AM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 9:00 AM Fountain Valley, CA Hourly Weather - Partly Cloudy - 10:00 AM Fountain Valley, CA Hourly Weather - Partly Cloudy - 11:00 AM Fountain Valley, CA Hourly Weather - Partly Cloudy - 12:00 PM Fountain Valley, CA Hourly Weather - Partly Cloudy - 1:00 PM Fountain Valley, CA Hourly Weather - Partly Cloudy - 2:00 PM Fountain Valley, CA Hourly Weather - Partly Cloudy - 3:00 PM Fountain Valley, CA Hourly Weather - Partly Cloudy - 4:00 PM Fountain Valley, CA Hourly Weather - Partly Cloudy - 5:00 PM Fountain Valley, CA Hourly Weather - Partly Cloudy - 6:00 PM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 7:00 PM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 8:00 PM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 9:00 PM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 10:00 PM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 11:00 PM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 12:00 AM Fountain Valley, CA Hourly Weather - Cloudy - 1:00 AM Fountain Valley, CA Hourly Weather - Cloudy - 2:00 AM Fountain Valley, CA Hourly Weather - Cloudy - 3:00 AM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 4:00 AM Fountain Valley, CA Hourly Weather - Mostly Cloudy - 5:00 AM
Mostly Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy
61°F16°C 62°F17°C 62°F17°C 65°F18°C 68°F20°C 71°F22°C 72°F22°C 73°F23°C 74°F23°C 73°F23°C 72°F22°C 71°F22°C 70°F21°C 69°F21°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 65°F18°C 64°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C
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56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 56°F13°C 57°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 56°F13°C 57°F14°C 57°F14°C 57°F14°C 58°F14°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C
84% 81% 81% 73% 66% 59% 57% 57% 55% 57% 57% 59% 61% 66% 68% 70% 73% 75% 78% 78% 81% 81% 81% 81%
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Hour (PDT)
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POP = Probability of Precipitation. ** Indicates missing data/values from KSNA model statistics.

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Prob Precip % = Probability of Precipitation.

Fountain Valley 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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