68.4 °F
Feels like 68.5 °F
Min 68 °F / Max 73 °F
Clear
Today's Summary
Right now Fullerton has clear weather. The thermometer currently shows 20.2°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 19.9°C and 22.9°C.
Hourly forecast – Fullerton, today
Sep 22, 03:00
68 °F
Clear
Sep 22, 04:00
68 °F
Clear
Sep 22, 05:00
68 °F
Sunny
Sep 22, 06:00
69 °F
Sunny
Sep 22, 07:00
70 °F
Sunny
Sep 22, 08:00
71 °F
Sunny
Sep 22, 09:00
72 °F
Sunny
Sep 22, 10:00
73 °F
Sunny
Sep 22, 11:00
73 °F
Sunny
Sep 22, 12:00
73 °F
Sunny
Sep 22, 13:00
72 °F
Sunny
Sep 22, 14:00
72 °F
Sunny
Sep 22, 15:00
72 °F
Sunny
Sep 22, 16:00
72 °F
Sunny
Sep 22, 17:00
71 °F
Clear
Sep 22, 18:00
71 °F
Clear
Sep 22, 19:00
71 °F
Clear
Sep 22, 20:00
70 °F
Clear
Sep 22, 21:00
70 °F
Clear
Sep 22, 22:00
70 °F
Clear
Sep 22, 23:00
70 °F
Clear
Sep 23, 00:00
70 °F
Clear
Sep 23, 01:00
69 °F
Clear
Sep 23, 02:00
69 °F
Clear
Time
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
Temperature (°F)
Chance of rain (%)
7
6
6
5
4
4
3
3
3
3
4
4
4
4
5
5
6
7
7
8
8
8
8
9
Precipitation
Wind (mph)
SSW
4
4
SSW
4
4
SSW
2
2
SSW
3
3
SSW
4
4
SW
5
5
SW
6
6
SW
8
8
SW
9
9
SW
10
10
SW
10
10
SW
9
9
SW
9
9
SW
8
8
SW
6
6
SW
6
6
SSW
6
6
SSW
5
5
SSW
5
5
SSW
4
4
SSW
4
4
SSW
4
4
SSW
4
4
SW
4
4
Pressure (hPa)
1011
1011
1012
1012
1012
1012
1012
1011
1011
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1009
1009
1009
1009
1009
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 19.9°C at night, with daytime highs up to 32.1°C.
Date
Sep 22
Sep 23
Sep 24
Sep 25
Sep 26
Sep 27
Sep 28
Sep 29
Sep 30
Oct 1
Oct 2
Oct 3
Oct 4
Oct 5
Temperature (°F)
Chance of rain (%)
6
6
6
4
9
3
3
36
69
36
4
4
2
39
Precipitation
Wind max (mph)
10
11
11
11
9
11
10
9
14
16
11
9
9
10
| Date | Weather | Min °F | Max °F | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| September 22, 2026 |
Sunny
|
68 °F | 73 °F | 06:39 | 18:48 | 16:58 | 02:56 | Waxing Moon (89 %) |
| September 23, 2026 |
Sunny
|
69 °F | 77 °F | 06:40 | 18:47 | 17:24 | 03:54 | Waxing Moon (95 %) |
| September 24, 2026 |
Sunny
|
70 °F | 78 °F | 06:41 | 18:46 | 17:49 | 04:51 | Full Moon (99 %) |
| September 25, 2026 |
Sunny
|
71 °F | 82 °F | 06:41 | 18:44 | 18:14 | 05:48 | Full Moon (100 %) |
| September 26, 2026 |
Overcast
|
73 °F | 83 °F | 06:42 | 18:43 | 18:38 | 06:45 | Full Moon (99 %) |
| September 27, 2026 |
Sunny
|
75 °F | 84 °F | 06:43 | 18:42 | 19:05 | 07:44 | Waning Moon (96 %) |
| September 28, 2026 |
Sunny
|
75 °F | 88 °F | 06:44 | 18:40 | 19:35 | 08:45 | Waning Moon (91 %) |
| September 29, 2026 |
Overcast
|
80 °F | 87 °F | 06:44 | 18:39 | 20:10 | 09:49 | Waning Moon (84 %) |
| September 30, 2026 |
Light rain shower
|
72 °F | 90 °F | 06:45 | 18:37 | 20:53 | 10:55 | Waning Moon (75 %) |
| October 1, 2026 |
Patchy rain possible
|
70 °F | 74 °F | 06:46 | 18:36 | 21:43 | 12:01 | Last Quarter (66 %) |
| October 2, 2026 |
Sunny
|
72 °F | 82 °F | 06:46 | 18:35 | 22:43 | 13:04 | Last Quarter (55 %) |
| October 3, 2026 |
Sunny
|
74 °F | 82 °F | 06:47 | 18:33 | 23:50 | 14:02 | Last Quarter (45 %) |
| October 4, 2026 |
Sunny
|
76 °F | 88 °F | 06:48 | 18:32 | Does not rise today | 14:52 | Last Quarter (34 %) |
| October 5, 2026 |
Overcast
|
79 °F | 83 °F | 06:49 | 18:31 | 01:01 | 15:34 | Waning Crescent (25 %) |