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
| 18 December 2025 Thu 12.8 ° C ( 55°F )  Mist |
Feels Like : 13.2 ° C / 55.8°F Humidity : % 93 Pressure : 1015 mb Wind Speed : 4 kmph / 2.5 miles from ESE 
Visibility : 4 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 |
|---|---|---|---|---|---|---|---|
| 18 December 2025 Thu |  Sunny |
10.6 ° C | 25.5 ° C | 16.7 ° C | % 71 | 7.9 km/h | 0% |
| 19 December 2025 Fri |  Partly Cloudy |
12.4 ° C | 22.1 ° C | 15.8 ° C | % 77 | 9.4 km/h | 0% |
| 20 December 2025 Sat | Partly Cloudy |
11.2 ° C | 19.6 ° C | 15.2 ° C | % 80 | 9.7 km/h | 0% |
| 21 December 2025 Sun | Partly Cloudy |
15.5 ° C | 20.2 ° C | 17.8 ° C | % 67 | 7.2 km/h | 0% |
| 22 December 2025 Mon | Sunny |
16.7 ° C | 21.6 ° C | 18.3 ° C | % 60 | 6.5 km/h | 0% |
| 23 December 2025 Tue |  Patchy rain nearby |
16.9 ° C | 19.8 ° C | 18 ° C | % 69 | 15.8 km/h | 80% |
| 24 December 2025 Wed |  Moderate rain |
16.3 ° C | 17.3 ° C | 17 ° C | % 75 | 25.6 km/h | 89% |
| 25 December 2025 Thu | Patchy rain nearby |
14.4 ° C | 16.3 ° C | 15.9 ° C | % 76 | 38.2 km/h | 86% |
| 26 December 2025 Fri | Moderate rain |
13.1 ° C | 14.6 ° C | 13.8 ° C | % 78 | 18.7 km/h | 89% |
| 27 December 2025 Sat | Patchy rain nearby |
12 ° C | 15.1 ° C | 13.1 ° C | % 67 | 14 km/h | 89% |
| 28 December 2025 Sun | Partly Cloudy |
10.9 ° C | 15.3 ° C | 13 ° C | % 64 | 9 km/h | 0% |
| 29 December 2025 Mon | Sunny |
11.4 ° C | 16.3 ° C | 13.8 ° C | % 56 | 10.8 km/h | 0% |
| 30 December 2025 Tue | Sunny |
12.3 ° C | 19.5 ° C | 15.7 ° C | % 42 | 9.4 km/h | 0% |
| 31 December 2025 Wed | Sunny |
14.1 ° C | 22.9 ° C | 18.2 ° C | % 28 | 9.7 km/h | 0% |
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