Fullerton Weather

Monday, 19 January 2026
12ยฐC
Sunny
Feels like: 13ยฐC
๐Ÿ’ง Humidity Level %61
๐Ÿ’จ Wind Speed 4 km/h East
๐ŸŒฌ๏ธ Wind Gust 11 km/h
๐Ÿ‘๏ธ Visibility 16 km
๐ŸŒก๏ธ Atmospheric Pressure 1017 mb
โ˜€๏ธ UV Index 1.2 (Low)
โ˜๏ธ Cloud Cover %0
๐ŸŒง๏ธ Precipitation Amount 0 mm
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Hourly Weather Forecasts

00:00
14ยฐ
01:00
12ยฐ
02:00
12ยฐ
03:00
11ยฐ
04:00
11ยฐ
05:00
10ยฐ
06:00
10ยฐ
07:00
10ยฐ
08:00
10ยฐ
09:00
12ยฐ
10:00
17ยฐ
11:00
20ยฐ
12:00
23ยฐ
13:00
25ยฐ
14:00
26ยฐ
15:00
27ยฐ
16:00
27ยฐ
17:00
25ยฐ
18:00
23ยฐ
19:00
19ยฐ
20:00
16ยฐ
21:00
16ยฐ
22:00
15ยฐ
23:00
14ยฐ
๐Ÿ“†

Fullerton Tomorrow's Weather

โ˜€๏ธ Tuesday Sunny
25ยฐ / 9ยฐ
๐Ÿ’ง Chance of Rain %0
๐Ÿ’จ Wind Speed 11 km/h
โ˜€๏ธ UV Index 1

Tomorrow (Tuesday) in Fullerton, the weather will be Sunny. High of 25ยฐC and low of 9ยฐC expected.

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3-Day Weather Forecasts

Mon, 19 Jan
Sunny
28ยฐ 10ยฐ
Tue, 20 Jan
Sunny
25ยฐ 9ยฐ
Wed, 21 Jan
Partly Cloudy
19ยฐ 10ยฐ
๐ŸŒŠ Marine Conditions ๐Ÿ’จ Air Quality ๐Ÿ“Š Historical Data

Fullerton Weather - Detailed Meteorological Forecasts

On our Fullerton weather page, you can access real-time meteorological data, hourly forecasts and long-term weather forecasts up to 16 days. Currently in Fullerton, the air temperature is measured at 12ยฐC and the general weather condition is Sunny. The feels-like temperature is at 13ยฐC; The feels-like temperature is close to actual temperature.

Temperature Analysis

Fullerton is currently experiencing cool weather conditions. Thermometers show 12ยฐC, while the feels-like temperature is at 13ยฐC. During this winter season, winterDesc is observed for the region. A light jacket or cardigan will suffice. The temperature will vary between 10ยฐC and 20ยฐC over the next 12 hours.

Wind and Atmospheric Conditions

Wind is blowing from East direction at 4 km/h and its intensity is rated as calm. Wind gusts can reach 11 km/h. No wind effect. Atmospheric pressure is at 1017 mb (1017Desc). 1017Trend.

Humidity and Precipitation

Relative humidity is at 61% (61Desc). 61Advice. No precipitation is currently observed. No rain expected in the near hours.

Visibility and Cloud Cover

Visibility is 16 km (16Desc). 16Advice. The sky is 0% cloudy (0Desc). 0Advice. It is currently daytime.

UV Index and Sun Protection

UV index is 1.2 (1.2Level - 1.2Color category). 1.2Advice. The sun will rise at 06:55 AM and set at 05:10 PM today. Day length is approximately 10.3 hours. Moon phase: Waxing Crescent.

Hourly Forecast Summary

According to meteorological forecasts for the next 12 hours, temperatures will range between 10ยฐC and 20ยฐC. No precipitation expected. You can follow our detailed hourly forecasts from the chart above.

3-Day Forecast Assessment

For Fullerton, cooling is expected in the coming days. The first day will see a high of 28ยฐC and a low of 10ยฐC. Our detailed 3-day forecasts include humidity, wind and precipitation probabilities.

15-Day Long Range Forecast

Next week in Fullerton, the average high temperature will be around 12ยฐC and the low around 4ยฐC. 0 days of rain are expected throughout the week. Our 15-day forecasts based on Open-Meteo data provide a reliable guide for your long-term planning.

Geographic Location and Climate Features

Fullerton is located in the northern hemisphere in the temperate climate zone (Latitude: 33.87ยฐ, Longitude: -117.93ยฐ). Due to this geographic position, characteristic weather conditions of winterDesc are observed during the winter season.

Activity and Clothing Guide

In current weather conditions, indoor activities are recommended. A light jacket or cardigan will suffice.

Health and Comfort Tips

Normal conditions for general health. Acceptable conditions in terms of general comfort. Those with chronic diseases and the elderly should be more careful in extreme weather conditions.

Data Sources and Reliability

At WeatherGet, we provide the most up-to-date meteorological data for Fullerton and all locations worldwide. Our data compiled from multiple reliable sources such as WeatherAPI, Open-Meteo and Weather Unlocked is cross-validated before being presented to you. With our mobile-friendly interface, you can access weather information anytime, anywhere.

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Fullerton Districts