Hourly Weather Forecast - Fountain Valley, CA

12 AM
57°F
0%
3mph
SE
Partly Cloudy
Humidity
95%
Feels like
57°F
Dew Point
55°F
1 AM
56°F
0%
3mph
SE
Partly Cloudy
Humidity
96%
Feels like
56°F
Dew Point
55°F
2 AM
56°F
0%
3mph
ESE
Partly Cloudy
Humidity
97%
Feels like
56°F
Dew Point
55°F
3 AM
56°F
0%
2mph
E
Cloudy
Humidity
98%
Feels like
56°F
Dew Point
55°F
4 AM
55°F
0%
2mph
ENE
Foggy
Humidity
99%
Feels like
55°F
Dew Point
55°F
5 AM
54°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
6 AM
55°F
0%
2mph
E
Cloudy
Humidity
98%
Feels like
55°F
Dew Point
54°F
6:51 AM
7 AM
56°F
0%
2mph
E
Cloudy
Humidity
96%
Feels like
56°F
Dew Point
55°F
8 AM
58°F
0%
2mph
ENE
Cloudy
Humidity
96%
Feels like
58°F
Dew Point
57°F
9 AM
61°F
0%
1mph
NNE
Mostly Sunny
Humidity
90%
Feels like
61°F
Dew Point
58°F
10 AM
63°F
0%
1mph
N
Mostly Sunny
Humidity
89%
Feels like
63°F
Dew Point
59°F
11 AM
64°F
0%
2mph
W
Sunny
Humidity
90%
Feels like
64°F
Dew Point
61°F
12 PM
64°F
0%
3mph
SW
Hazy
Humidity
92%
Feels like
64°F
Dew Point
62°F
1 PM
64°F
0%
4mph
SW
Hazy
Humidity
95%
Feels like
64°F
Dew Point
63°F
2 PM
63°F
0%
5mph
SW
Hazy
Humidity
98%
Feels like
63°F
Dew Point
63°F
3 PM
62°F
0%
5mph
SW
Foggy
Humidity
100%
Feels like
62°F
Dew Point
62°F
4 PM
60°F
0%
4mph
SW
Foggy
Humidity
100%
Feels like
60°F
Dew Point
60°F
4:46 PM
5 PM
58°F
0%
4mph
SW
Foggy
Humidity
100%
Feels like
58°F
Dew Point
58°F
6 PM
56°F
0%
3mph
SSW
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
7 PM
55°F
0%
2mph
S
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
8 PM
54°F
0%
2mph
SSE
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
9 PM
54°F
0%
2mph
SSE
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
10 PM
54°F
0%
2mph
SSE
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
11 PM
55°F
0%
2mph
SE
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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