Weather forecast for todayFullerton, CA
Weather forecast for today
Current condition 12:25 pm PDT
- 84°F
- Feels like:84°F
Sunny
- Precipitation: 0"
- Wind: 7mphSW 220°
- Humidity: 31%
- Dewpoint: 52°F
- Pressure: 29.9"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
At the moment, in Fullerton, no clouds, just endless sunshine warming the day.
The temperature is a temperate 84.2°F. The current temperature is almost at the maximum anticipated 86°F for today.
The temperature is a temperate 84.2°F. The current temperature is almost at the maximum anticipated 86°F for today.
Monday Oct 19, 2026
- 86°F
- 63°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSW 220°
- Humidity: 37%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:13 pm PDT
- details ▼
On Monday, October 19, sunny conditions are expected to continue.
The temperature will vary between a maximum of a tropical 86°F and a minimum of a comfortable 62.6°F.
The anticipated high is hotter and better reflects September's normal temperature profile than that of October.
Sunrise was at 7:00 am and sunset will be at 6:13 pm; the daylight will last for 11h and 13min.
The temperature will vary between a maximum of a tropical 86°F and a minimum of a comfortable 62.6°F.
The anticipated high is hotter and better reflects September's normal temperature profile than that of October.
Sunrise was at 7:00 am and sunset will be at 6:13 pm; the daylight will last for 11h and 13min.
Hourly overview
Hourly temperatures
Warmest period: 1 pm - 3 pm 86°C.
Coldest hour: 10 pm 70°C.
Coldest hour: 10 pm 70°C.
Chance of precipitation
Highest chance: 10 pm 5%.
Hourly weather forecast
- 1 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 221°
- Humidity: 32%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 217°
- Humidity: 32%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 3 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 218°
- Humidity: 32%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 221°
- Humidity: 36%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 5 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 225°
- Humidity: 38%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 79°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 226°
- Humidity: 47%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:13 pm
- 7 pm
- 75°F
- Feels like:75°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSW 215°
- Humidity: 54%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphS 190°
- Humidity: 63%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphS 178°
- Humidity: 69%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 70°F
- Feels like:70°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSSE 169°
- Humidity: 74%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSSE 150°
- Humidity: 79%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, in Fullerton, bright and mostly sunny weather is expected.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 86°F. The hottest part of the day will be from 1 pm to 3 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The minimum temperature will be comparable to October's average low of 61.5°F.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 86°F. The hottest part of the day will be from 1 pm to 3 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The minimum temperature will be comparable to October's average low of 61.5°F.
Updated: Oct 19, 2026 @ 19:25:47 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Currently (12:25 pm PDT) it is 84.2°F in Fullerton.
On Monday, expect sunny weather with a crisp, clear sky.
Today, the highest temperature will be 86°F, while the lowest temperature will be 62.6°F.
The maximum temperature will be slightly warmer than the average highest temperature of 77.5°F in October. The lowest temperature will be in line with the average low of 61.5°F.
The maximum temperature will be slightly warmer than the average highest temperature of 77.5°F in October. The lowest temperature will be in line with the average low of 61.5°F.
On Monday, in Fullerton, sunrise was at 7:00 am and sunset will be at 6:13 pm (PDT).
In Fullerton, the length of the day today will be 11h and 13min.
Fullerton, California, USA
- en: Fullerton, California, USA
- es: Fullerton, California, EE.UU.
- hr: Fulerton, Kalifornija, SAD
- mk: Fulerton, Kalifornija, SAD
- sr: Fulerton, Kalifornija, SAD
- zh: 富勒顿, 加利福尼亚州, 美国
- Latitude: 33.870360°
- Longitude: -117.924297°
- Elevation: 161 ft
- Current time: 1:04pm PDT
- Sunrise: 7:00 am PDT
- Sunset: 6:13 pm PDT
- Timezone: America/Los_Angeles
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