Currently: 67 °F. Sunny. (Weather station: Fullerton Municipal Airport, USA). See more current weatherFullerton Extended Forecast with high and low temperatures
2 Week Extended Forecast in Fullerton, California, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Sat Mar 21 |  | 87 / 57 °F | Mostly cloudy. | 85 °F | 9 mph | ↑ | 33% | 0% | 0.00" | 3 (Moderate) | 6:53 am | 7:04 pm |
| Sun Mar 22 | | 83 / 58 °F | Mostly cloudy. | 81 °F | 8 mph | ↑ | 37% | 0% | 0.00" | 3 (Moderate) | 6:52 am | 7:05 pm |
| Mon Mar 23 | | 84 / 56 °F | Mostly cloudy. | 82 °F | 8 mph | ↑ | 35% | 0% | 0.00" | 3 (Moderate) | 6:51 am | 7:05 pm |
| Tue Mar 24 |  | 86 / 57 °F | Mostly sunny. | 84 °F | 8 mph | ↑ | 36% | 0% | 0.00" | 3 (Moderate) | 6:49 am | 7:06 pm |
| Wed Mar 25 | | 87 / 58 °F | Sunny. | 85 °F | 9 mph | ↑ | 34% | 0% | 0.00" | 5 (Moderate) | 6:48 am | 7:07 pm |
| Thu Mar 26 | | 88 / 59 °F | Sunny. | 84 °F | 10 mph | ↑ | 30% | 0% | 0.00" | 5 (Moderate) | 6:47 am | 7:08 pm |
| Fri Mar 27 | | 100 / 57 °F | Sunny. | 94 °F | 7 mph | ↑ | 13% | 0% | 0.00" | 5 (Moderate) | 6:45 am | 7:08 pm |
| Sat Mar 28 | | 98 / 60 °F | Mostly sunny. | 93 °F | 9 mph | ↑ | 18% | 3% | 0.00" | 5 (Moderate) | 6:44 am | 7:09 pm |
| Sun Mar 29 |  | 84 / 67 °F | Overcast. | 82 °F | 7 mph | ↑ | 23% | 4% | 0.00" | 3 (Moderate) | 6:42 am | 7:10 pm |
| Mon Mar 30 | | 77 / 65 °F | Overcast. | 78 °F | 7 mph | ↑ | 41% | 5% | 0.00" | 3 (Moderate) | 6:41 am | 7:11 pm |
| Tue Mar 31 | | 75 / 62 °F | Sunny. | 78 °F | 13 mph | ↑ | 43% | 5% | 0.00" | 5 (Moderate) | 6:40 am | 7:11 pm |
| Wed Apr 1 |  | 74 / 63 °F | Light rain early. Breaks of sun late. | 76 °F | 6 mph | ↑ | 68% | 50% | 0.04" | 3 (Moderate) | 6:38 am | 7:12 pm |
| Thu Apr 2 | | 75 / 61 °F | Sunny. | 67 °F | 9 mph | ↑ | 23% | 3% | 0.00" | 5 (Moderate) | 6:37 am | 7:13 pm |
| Fri Apr 3 | | 76 / 60 °F | Mostly sunny. | 67 °F | 10 mph | ↑ | 8% | 2% | 0.00" | 5 (Moderate) | 6:36 am | 7:14 pm |
| Sat Apr 4 | | 76 / 61 °F | Mostly cloudy. | 77 °F | 9 mph | ↑ | 22% | 2% | 0.00" | 3 (Moderate) | 6:34 am | 7:14 pm |
| * Updated Saturday, March 21, 2026 7:24:28 am Fullerton time - Weather by CustomWeather, © 2026 | ||||||||||||