Currently: 84 °F. Sunny. (Weather station: Fullerton Municipal Airport, USA). See more current weatherCity of Fullerton Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
56
59
62
65
68
71
74
77
80
83
86
89
May 18 – May 24
Lo:58
Wed, 21
Hi:88
10
Lo:58
Thu, 22
Hi:84
10
Lo:58
Fri, 23
Hi:78
11
Lo:59
Sat, 24
Hi:76
10
May 25 – May 31
Lo:57
Sun, 25
Hi:78
10
Lo:58
Mon, 26
Hi:77
10
Lo:58
Tue, 27
Hi:76
12
Lo:59
Wed, 28
Hi:74
11
Lo:64
Thu, 29
Hi:74
10
Lo:63
Fri, 30
Hi:76
10
Lo:64
Sat, 31
Hi:78
11
Jun 1 – Jun 7
Lo:64
Sun, 1
Hi:78
10
Lo:64
Mon, 2
Hi:77
11
Lo:64
Tue, 3
Hi:77
10
Lo:64
Wed, 4
Hi:77
10
Wed, May 21
88 / 58 °F
Sunny.
Feels Like: 85 °F
Humidity: 29%
Precipitation: Rain: 0 Snow: 0
Precipitation Chance: 0%
SW
Wind: 10 mph
2 Week Extended Forecast in City of Fullerton, California, USA
Scroll right to see more
| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Wed May 21 | | 88 / 58 °F | Sunny. | 85 °F | 10 mph | ↑ | 29% | 0% | - | 7 (High) | 5:46 am | 7:50 pm |
| Thu May 22 |  | 84 / 58 °F | Morning clouds. | 82 °F | 10 mph | ↑ | 33% | 0% | - | 7 (High) | 5:45 am | 7:51 pm |
| Fri May 23 |  | 78 / 58 °F | Mostly sunny. | 78 °F | 11 mph | ↑ | 45% | 0% | - | 7 (High) | 5:45 am | 7:52 pm |
| Sat May 24 |  | 76 / 59 °F | Broken clouds. | 77 °F | 10 mph | ↑ | 46% | 0% | - | 3 (Moderate) | 5:44 am | 7:52 pm |
| Sun May 25 | | 78 / 57 °F | Afternoon clouds. | 78 °F | 10 mph | ↑ | 46% | 0% | - | 7 (High) | 5:44 am | 7:53 pm |
| Mon May 26 | | 77 / 58 °F | Morning clouds. | 78 °F | 10 mph | ↑ | 48% | 0% | - | 7 (High) | 5:43 am | 7:54 pm |
| Tue May 27 | | 76 / 58 °F | Scattered clouds. | 77 °F | 12 mph | ↑ | 48% | 0% | - | 7 (High) | 5:43 am | 7:54 pm |
| Wed May 28 | | 74 / 59 °F | Morning clouds. | 77 °F | 11 mph | ↑ | 50% | 3% | - | 5 (Moderate) | 5:43 am | 7:55 pm |
| Thu May 29 | | 74 / 64 °F | Sunny. | 77 °F | 10 mph | ↑ | 45% | 3% | - | 10 (Very high) | 5:42 am | 7:56 pm |
| Fri May 30 | | 76 / 63 °F | Sunny. | 78 °F | 10 mph | ↑ | 43% | 3% | - | 10 (Very high) | 5:42 am | 7:56 pm |
| Sat May 31 | | 78 / 64 °F | Sunny. | 79 °F | 11 mph | ↑ | 48% | 3% | - | 10 (Very high) | 5:42 am | 7:57 pm |
| Sun Jun 1 | | 78 / 64 °F | Sunny. | 79 °F | 10 mph | ↑ | 43% | 4% | - | 10 (Very high) | 5:41 am | 7:57 pm |
| Mon Jun 2 | | 77 / 64 °F | Sunny. | 78 °F | 11 mph | ↑ | 41% | 4% | - | 10 (Very high) | 5:41 am | 7:58 pm |
| Tue Jun 3 | | 77 / 64 °F | Sunny. | 78 °F | 10 mph | ↑ | 34% | 5% | - | 10 (Very high) | 5:41 am | 7:58 pm |
| Wed Jun 4 | | 77 / 64 °F | Morning clouds. | 77 °F | 10 mph | ↑ | 25% | 5% | - | 7 (High) | 5:41 am | 7:59 pm |
| * Updated Wednesday, May 21, 2025 8:24:03 am City of Fullerton time - Weather by CustomWeather, © 2025 | ||||||||||||