Currently: 62 °F. Overcast. (Weather station: Fullerton Municipal Airport, USA). See more current weather
Past Weather in Fullerton — Graph
Fullerton Temperature Yesterday
Maximum temperature yesterday: 77 °F (at 2:53 pm)
Minimum temperature yesterday: 62 °F (at 3:53 am)
Average temperature yesterday: 67 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 98 °F (Mar 17, 1:53 pm) | 97% (Mar 21, 6:53 am) | 30.24 "Hg (Mar 21, 6:53 am) |
| Low | 52 °F (Mar 11, 6:53 am) | 13% (Mar 12, 3:53 pm) | 29.84 "Hg (Mar 22, 5:53 pm) |
| Average | 70 °F | 63% | 29.97 "Hg |
| * Reported Mar 10 12:53 am — Mar 25 12:53 am, Fullerton. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Fullerton Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:53 am Wed, Mar 25 |
|
62 °F | Overcast. | No wind | ↑ | 86% | 30.00 "Hg | 10 mi |
| 11:59 pm Tue, Mar 24 |
|
62 °F | Passing clouds. | No wind | ↑ | 86% | 30.01 "Hg | 10 mi |
| 10:53 pm |
|
62 °F | Clear. | 3 mph | ↑ | 86% | 30.00 "Hg | 10 mi |
| 9:53 pm |
|
62 °F | Clear. | 5 mph | ↑ | 86% | 29.99 "Hg | 10 mi |
| 8:53 pm |
|
63 °F | Clear. | 5 mph | ↑ | 84% | 29.98 "Hg | 10 mi |
| 7:53 pm |
|
64 °F | Clear. | 3 mph | ↑ | 81% | 29.97 "Hg | 10 mi |
| 6:53 pm |
|
67 °F | Sunny. | 7 mph | ↑ | 73% | 29.95 "Hg | 10 mi |
| 5:53 pm |
|
71 °F | Sunny. | 8 mph | ↑ | 63% | 29.94 "Hg | 10 mi |
| 4:53 pm |
|
74 °F | Sunny. | 6 mph | ↑ | 57% | 29.94 "Hg | 10 mi |
| 3:53 pm |
|
75 °F | Sunny. | 6 mph | ↑ | 58% | 29.95 "Hg | 10 mi |
| 2:53 pm |
|
77 °F | Sunny. | 5 mph | ↑ | 54% | 29.95 "Hg | 10 mi |
| 1:53 pm |
|
76 °F | Sunny. | 5 mph | ↑ | 58% | 29.96 "Hg | 10 mi |
| 12:53 pm |
|
75 °F | Sunny. | 7 mph | ↑ | 60% | 29.98 "Hg | 10 mi |
| 11:53 am |
|
73 °F | Sunny. | 3 mph | ↑ | 59% | 30.00 "Hg | 9 mi |
| 10:53 am |
|
70 °F | Sunny. | 3 mph | ↑ | 66% | 30.00 "Hg | 8 mi |
| 9:53 am |
|
67 °F | Sunny. | No wind | ↑ | 76% | 29.99 "Hg | 7 mi |
| 9:39 am |
|
67 °F | Passing clouds. | No wind | ↑ | 76% | 30.00 "Hg | 7 mi |
| 9:21 am |
|
66 °F | Partly sunny. | No wind | ↑ | 78% | 29.99 "Hg | 7 mi |
| 8:53 am |
|
65 °F | Overcast. | No wind | ↑ | 78% | 29.99 "Hg | 7 mi |
| 7:53 am |
|
63 °F | Overcast. | No wind | ↑ | 84% | 29.98 "Hg | 6 mi |
| 6:53 am |
|
63 °F | Overcast. | No wind | ↑ | 84% | 29.96 "Hg | 8 mi |
| 5:53 am |
|
63 °F | Overcast. | No wind | ↑ | 84% | 29.95 "Hg | 7 mi |
| 4:53 am |
|
62 °F | Overcast. | 3 mph | ↑ | 86% | 29.94 "Hg | 8 mi |
| 3:53 am |
|
62 °F | Overcast. | No wind | ↑ | 86% | 29.94 "Hg | 9 mi |
| 2:53 am |
|
63 °F | Overcast. | 3 mph | ↑ | 84% | 29.95 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||