77.4 °F
Feels like 80.4 °F
Min 69 °F / Max 92 °F
Clear
Today's Summary
Right now Fullerton has clear weather. The thermometer currently shows 25.2°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 20.4°C and 33.1°C.
Hourly forecast – Fullerton, today
Jul 18, 22:00
70 °F
Clear
Jul 18, 23:00
70 °F
Cloudy
Jul 19, 00:00
69 °F
Overcast
Jul 19, 01:00
69 °F
Overcast
Jul 19, 02:00
69 °F
Overcast
Jul 19, 03:00
68 °F
Overcast
Jul 19, 04:00
68 °F
Overcast
Jul 19, 05:00
68 °F
Overcast
Jul 19, 06:00
69 °F
Overcast
Jul 19, 07:00
72 °F
Cloudy
Jul 19, 08:00
76 °F
Sunny
Jul 19, 09:00
82 °F
Sunny
Jul 19, 10:00
83 °F
Sunny
Jul 19, 11:00
85 °F
Sunny
Jul 19, 12:00
85 °F
Sunny
Jul 19, 13:00
85 °F
Sunny
Jul 19, 14:00
85 °F
Sunny
Jul 19, 15:00
84 °F
Sunny
Jul 19, 16:00
83 °F
Sunny
Jul 19, 17:00
81 °F
Sunny
Jul 19, 18:00
78 °F
Sunny
Jul 19, 19:00
76 °F
Clear
Jul 19, 20:00
76 °F
Clear
Jul 19, 21:00
75 °F
Clear
Time
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
Temperature (°F)
Chance of rain (%)
12
24
30
29
29
30
31
31
30
19
8
2
2
1
1
1
1
1
1
1
2
3
4
4
Precipitation
Wind (mph)
SSW
5
5
SSW
5
5
SSW
5
5
SSW
5
5
SSW
5
5
SSW
4
4
SSW
3
3
S
3
3
SSE
2
2
S
3
3
SSW
5
5
SW
7
7
SW
8
8
SW
10
10
SW
10
10
SW
10
10
SW
10
10
SW
10
10
SW
9
9
SW
9
9
SW
8
8
SW
7
7
SW
6
6
SSW
5
5
Pressure (hPa)
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1012
1013
1013
Humidity (%)
Cloud cover (%)
14-day weather forecast – Fullerton
14-day trend for Fullerton: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 19.8°C at night, with daytime highs up to 34.8°C.
Date
Jul 18
Jul 19
Jul 20
Jul 21
Jul 22
Jul 23
Jul 24
Jul 25
Jul 26
Jul 27
Jul 28
Jul 29
Jul 30
Jul 31
Temperature (°F)
Chance of rain (%)
6
7
3
2
2
1
2
57
2
1
1
2
2
1
Precipitation
Wind max (mph)
12
10
11
11
11
11
9
10
11
10
10
11
12
11
| Date | Weather | Min °F | Max °F | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| July 18, 2026 |
Sunny
|
69 °F | 92 °F | 05:53 | 20:02 | 10:32 | 22:51 | Waxing Crescent (23 %) |
| July 19, 2026 |
Sunny
|
68 °F | 85 °F | 05:54 | 20:01 | 11:39 | 23:20 | First Quarter (33 %) |
| July 20, 2026 |
Sunny
|
71 °F | 88 °F | 05:55 | 20:00 | 12:44 | 23:50 | First Quarter (43 %) |
| July 21, 2026 |
Sunny
|
73 °F | 88 °F | 05:55 | 20:00 | 13:48 | Does not set today | First Quarter (53 %) |
| July 22, 2026 |
Sunny
|
73 °F | 90 °F | 05:56 | 19:59 | 14:52 | 00:22 | First Quarter (64 %) |
| July 23, 2026 |
Sunny
|
76 °F | 95 °F | 05:57 | 19:59 | 15:54 | 00:58 | Waxing Moon (74 %) |
| July 24, 2026 |
Sunny
|
77 °F | 90 °F | 05:57 | 19:58 | 16:53 | 01:40 | Waxing Moon (82 %) |
| July 25, 2026 |
Sunny
|
74 °F | 89 °F | 05:58 | 19:57 | 17:48 | 02:27 | Waxing Moon (90 %) |
| July 26, 2026 |
Sunny
|
75 °F | 92 °F | 05:59 | 19:57 | 18:36 | 03:19 | Waxing Moon (95 %) |
| July 27, 2026 |
Sunny
|
76 °F | 95 °F | 05:59 | 19:56 | 19:18 | 04:16 | Full Moon (99 %) |
| July 28, 2026 |
Sunny
|
76 °F | 94 °F | 06:00 | 19:55 | 19:53 | 05:15 | Full Moon (100 %) |
| July 29, 2026 |
Sunny
|
74 °F | 86 °F | 06:01 | 19:55 | 20:24 | 06:13 | Full Moon (99 %) |
| July 30, 2026 |
Sunny
|
73 °F | 91 °F | 06:02 | 19:54 | 20:51 | 07:11 | Waning Moon (96 %) |
| July 31, 2026 |
Sunny
|
76 °F | 92 °F | 06:02 | 19:53 | 21:16 | 08:08 | Waning Moon (91 %) |