Hourly Weather Forecast - Fullerton, CA

6 AM
58°F
80%
6mph
ESE
80% Chance of Light Rain
Humidity
99%
Feels like
58°F
Dew Point
57°F
6:57 AM
7 AM
58°F
80%
6mph
ESE
80% Chance of Light Rain
Humidity
99%
Feels like
58°F
Dew Point
58°F
8 AM
59°F
80%
5mph
SE
80% Chance of Light Rain
Humidity
99%
Feels like
59°F
Dew Point
59°F
9 AM
60°F
80%
5mph
S
80% Chance of Rain
Humidity
98%
Feels like
60°F
Dew Point
59°F
10 AM
60°F
60%
4mph
SSW
60% Chance of Light Rain
Humidity
98%
Feels like
60°F
Dew Point
60°F
11 AM
61°F
50%
3mph
SW
50% Chance of Light Rain
Humidity
96%
Feels like
61°F
Dew Point
60°F
12 PM
61°F
50%
4mph
WSW
50% Chance of Light Rain
Humidity
94%
Feels like
61°F
Dew Point
60°F
1 PM
62°F
30%
3mph
W
30% Chance of Light Rain
Humidity
91%
Feels like
62°F
Dew Point
59°F
2 PM
62°F
20%
3mph
W
Mostly Cloudy
Humidity
88%
Feels like
62°F
Dew Point
59°F
3 PM
62°F
10%
3mph
W
Partly Cloudy
Humidity
88%
Feels like
62°F
Dew Point
58°F
4 PM
60°F
10%
2mph
W
Partly Cloudy
Humidity
90%
Feels like
60°F
Dew Point
58°F
4:53 PM
5 PM
59°F
30%
2mph
WSW
30% Chance Rain Showers
Humidity
92%
Feels like
59°F
Dew Point
57°F
6 PM
59°F
30%
2mph
WSW
30% Chance Rain Showers
Humidity
92%
Feels like
59°F
Dew Point
57°F
7 PM
59°F
0%
1mph
SW
Partly Cloudy
Humidity
92%
Feels like
59°F
Dew Point
56°F
8 PM
59°F
0%
1mph
SW
Partly Cloudy
Humidity
92%
Feels like
59°F
Dew Point
56°F
9 PM
58°F
0%
1mph
NNE
Partly Cloudy
Humidity
92%
Feels like
58°F
Dew Point
56°F
10 PM
58°F
0%
2mph
NE
Cloudy
Humidity
93%
Feels like
58°F
Dew Point
56°F
11 PM
57°F
0%
2mph
NE
Cloudy
Humidity
94%
Feels like
57°F
Dew Point
56°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain in California

Moderate to heavy rainfall persists until nighttime in much of California.

Thursday's Weather Outlook

New Year's Day and Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide