Fountain Valley, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fountain Valley, CA in one place.
Mostly sunny, with a high near 71. South wind 0 to 10 mph.
Local Weather Overview
This forecast page for Fountain Valley, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 2, 2026 1:45 AM PDT.
The active forecast window currently covers Jun 2 to Jun 8, 2026 for Fountain Valley, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 1:45 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Fountain Valley
Thursday looks like the warmest upcoming period in Fountain Valley at 73 degrees F.
Sunday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 10 mph S.
The forecast from Jun 2 through Jun 8 stays mostly dry.
Forecast Details
- Last updated
- Jun 2, 2026 1:45 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KSOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 61. South wind 0 to 10 mph.
Mostly sunny, with a high near 72. South wind 0 to 10 mph.
Partly cloudy, with a low around 62. South wind 5 to 10 mph.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 61.
Partly sunny, with a high near 71.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 71.
Mostly clear, with a low around 60.
Sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Mostly Sunny
|
71°F |
0 to 10 mph
S
|
|
Tuesday Night
Jun 2
|
Mostly Cloudy
|
61°F |
0 to 10 mph
S
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
72°F |
0 to 10 mph
S
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
62°F |
5 to 10 mph
S
|
|
Thursday
Jun 4
|
Mostly Sunny
|
73°F |
5 to 10 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
62°F |
5 to 10 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny
|
72°F |
5 to 10 mph
S
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
61°F |
5 to 10 mph
S
|
|
Saturday
Jun 6
|
Partly Sunny
|
71°F |
5 to 10 mph
S
|
|
Saturday Night
Jun 6
|
Partly Cloudy
|
61°F |
5 to 10 mph
S
|
|
Sunday
Jun 7
|
Mostly Sunny
|
71°F |
5 to 10 mph
S
|
|
Sunday Night
Jun 7
|
Mostly Clear
|
60°F |
5 mph
S
|
|
Monday
Jun 8
|
Sunny
|
72°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fountain Valley.
