Weather forecast for todayFullerton, CA
Weather forecast for today
Current condition 7:35 am PDT
- 63°F
- Feels like:63°F
Sunny
- Precipitation: 0"
- Wind: 1mphW 260°
- Humidity: 65%
- Dewpoint: 50°F
- Pressure: 29.93"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
In Fullerton, currently, a bright and warm day is unfolding.
The temperature is an enjoyable 62.6°F. The current temperature is at the minimum predicted for today.
The temperature is an enjoyable 62.6°F. The current temperature is at the minimum predicted for today.
Monday Oct 19, 2026
- 86°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSSW 198°
- Humidity: 46%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:13 pm PDT
- details ▼
On Monday, October 19, clear and sunny conditions are expected.
The maximum temperature will be a blazing 86°F, while the minimum anticipated temperature is an enjoyable 62.6°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be a blazing 86°F. Note that heat index values are valued for light wind and location in the shade.
Expect a hotter feel as the forecasted high matches September's 82.2°F, rather than October's average of 77.5°F.
Sunrise was at 7:00 am and sunset will be at 6:13 pm; the daylight will last for 11h and 13min.
The maximum temperature will be a blazing 86°F, while the minimum anticipated temperature is an enjoyable 62.6°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be a blazing 86°F. Note that heat index values are valued for light wind and location in the shade.
Expect a hotter feel as the forecasted high matches September's 82.2°F, rather than October's average of 77.5°F.
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 hour: 2 pm 84°C.
Coldest hour: 8 am 63°C.
Coldest hour: 8 am 63°C.
Chance of precipitation
Highest chance: 12 am 7%.
Hourly weather forecast
- 8 am
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 78°
- Humidity: 63%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 am
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphE 90°
- Humidity: 54%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphSE 134°
- Humidity: 46%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 11 am
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphS 189°
- Humidity: 40%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 12 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSW 207°
- Humidity: 37%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 1 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 219°
- Humidity: 37%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 218°
- Humidity: 36%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 3 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSW 219°
- Humidity: 37%
- 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 219°
- Humidity: 38%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 5 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 224°
- Humidity: 41%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 77°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 221°
- Humidity: 48%
- 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: 5mphSSW 209°
- Humidity: 56%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 2%
- 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 170°
- 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 166°
- 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 151°
- Humidity: 79%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, bright skies and dry conditions are anticipated.
The temperature will be between the lowest temperature of 62.6°F and the highest temperature of 84.2°F. The hottest part of the day will be from 1 pm to 3 pm.
The temperature will feel more in line with September's average high than the expected maximum for October. The expected low will be alike with the average minimum in October, which is 61.5°F.
The temperature will be between the lowest temperature of 62.6°F and the highest temperature of 84.2°F. The hottest part of the day will be from 1 pm to 3 pm.
The temperature will feel more in line with September's average high than the expected maximum for October. The expected low will be alike with the average minimum in October, which is 61.5°F.
Updated: Oct 19, 2026 @ 14:35:13 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 (7:35 am PDT) it is 62.6°F in Fullerton.
On Monday, sunshine and minimal clouds are in the outlook.
Today, the maximum temperature will be 86°F, while the minimum temperature will be 62.6°F. The maximum heat index, which combines air temperature and relative humidity, is assessed at 86°F.
The highest temperature will be a few degrees higher than the average maximum of 77.5°F in October. The lowest temperature will be in line with the average low of 61.5°F.
The highest temperature will be a few degrees higher than the average maximum 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: 7:35am PDT
- Sunrise: 7:00 am PDT
- Sunset: 6:13 pm PDT
- Timezone: America/Los_Angeles
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