Fullerton Municipal Airport (FUL) 15 Day Weather Forecast, Fullerton United States
Current weather conditions and 15 day weather forecast for Fullerton Municipal Airport in Fullerton, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at FUL
| 21 December 2025 Sun 16.1 ° C ( 61°F )  Partly Cloudy |
Feels Like : 16.1 ° C / 61°F Humidity : % 78 Pressure : 1017 mb Wind Speed : 8.3 kmph / 5.1 miles from SW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Fullerton Municipal Airport, Fullerton, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 20 December 2025 Sat |  Patchy rain nearby |
12.4 ° C | 19.3 ° C | 14.9 ° C | % 88 | 8.6 km/h | 89% |
| 21 December 2025 Sun |  Overcast |
12 ° C | 19.9 ° C | 15.6 ° C | % 82 | 10.4 km/h | 0% |
| 22 December 2025 Mon | Partly Cloudy |
10.9 ° C | 20.6 ° C | 15.5 ° C | % 77 | 7.9 km/h | 0% |
| 23 December 2025 Tue | Patchy rain nearby |
13.2 ° C | 17.5 ° C | 15.3 ° C | % 79 | 23 km/h | 70% |
| 24 December 2025 Wed |  Heavy rain |
15.5 ° C | 17.5 ° C | 16.5 ° C | % 79 | 37.4 km/h | 68% |
| 25 December 2025 Thu |  Moderate rain |
14.8 ° C | 18.7 ° C | 16.1 ° C | % 79 | 17.3 km/h | 76% |
| 26 December 2025 Fri | Patchy rain nearby |
14.8 ° C | 18.4 ° C | 16.5 ° C | % 77 | 14.8 km/h | 81% |
| 27 December 2025 Sat | Patchy rain nearby |
14.9 ° C | 18.1 ° C | 16.1 ° C | % 72 | 24.5 km/h | 82% |
| 28 December 2025 Sun | Patchy rain nearby |
13.3 ° C | 14.6 ° C | 14.3 ° C | % 75 | 22.3 km/h | 85% |
| 29 December 2025 Mon |  Sunny |
13.3 ° C | 16.9 ° C | 14.8 ° C | % 66 | 9.4 km/h | 0% |
| 30 December 2025 Tue | Sunny |
12.9 ° C | 20.1 ° C | 16.3 ° C | % 46 | 7.9 km/h | 0% |
| 31 December 2025 Wed | Partly Cloudy |
14.9 ° C | 20.4 ° C | 17.2 ° C | % 33 | 9.7 km/h | 0% |
| 01 January 2026 Thu | Partly Cloudy |
14.3 ° C | 19.4 ° C | 16.5 ° C | % 42 | 10.1 km/h | 0% |
| 02 January 2026 Fri | Partly Cloudy |
14 ° C | 18 ° C | 15.9 ° C | % 55 | 9.4 km/h | 0% |
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