21.8 °C
Feels like 20.6 °C
Min 17 °C / Max 32 °C
Clear
Today's Summary
In Fullerton the weather today is clear. The thermometer currently shows 21.8°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 16.9°C and 32°C.
Hourly forecast – Fullerton, today
Sep 1, 21:00
19 °C
Clear
Sep 1, 22:00
18 °C
Clear
Sep 1, 23:00
17 °C
Clear
Sep 2, 00:00
17 °C
Clear
Sep 2, 01:00
16 °C
Clear
Sep 2, 02:00
20 °C
Clear
Sep 2, 03:00
20 °C
Clear
Sep 2, 04:00
20 °C
Clear
Sep 2, 05:00
20 °C
Sunny
Sep 2, 06:00
21 °C
Sunny
Sep 2, 07:00
22 °C
Sunny
Sep 2, 08:00
23 °C
Sunny
Sep 2, 09:00
24 °C
Sunny
Sep 2, 10:00
25 °C
Sunny
Sep 2, 11:00
25 °C
Sunny
Sep 2, 12:00
25 °C
Sunny
Sep 2, 13:00
25 °C
Sunny
Sep 2, 14:00
25 °C
Sunny
Sep 2, 15:00
25 °C
Sunny
Sep 2, 16:00
24 °C
Sunny
Sep 2, 17:00
24 °C
Sunny
Sep 2, 18:00
24 °C
Clear
Sep 2, 19:00
23 °C
Clear
Sep 2, 20:00
23 °C
Clear
Time
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
Temperature (°C)
Chance of rain (%)
7
8
9
10
10
4
4
4
4
4
3
2
1
1
1
1
1
1
1
1
1
1
2
2
Precipitation
Wind (km/h)
SW
8
8
SSW
8
8
SSW
7
7
S
7
7
S
7
7
S
6
6
SSE
5
5
SSE
8
8
SSE
8
8
SSE
7
7
SSE
9
9
S
8
8
SSW
10
10
SW
12
12
SW
15
15
SW
16
16
SW
18
18
WSW
19
19
WSW
20
20
WSW
19
19
WSW
15
15
WSW
13
13
WSW
10
10
SW
8
8
Pressure (hPa)
1015
1015
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1014
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 16.2°C at night, with daytime highs up to 32°C.
Date
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Sep 8
Sep 9
Sep 10
Sep 11
Sep 12
Sep 13
Sep 14
Temperature (°C)
Chance of rain (%)
5
3
4
4
4
57
62
6
3
5
6
8
4
4
Precipitation
Wind max (km/h)
20
20
18
19
17
14
23
18
20
19
17
17
17
17
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| September 1, 2026 |
Sunny
|
17 °C | 32 °C | 06:25 | 19:17 | 21:33 | 10:52 | Waning Moon (70 %) |
| September 2, 2026 |
Sunny
|
16 °C | 25 °C | 06:26 | 19:16 | 22:09 | 11:57 | Last Quarter (60 %) |
| September 3, 2026 |
Sunny
|
21 °C | 24 °C | 06:26 | 19:15 | 22:54 | 13:03 | Last Quarter (50 %) |
| September 4, 2026 |
Sunny
|
21 °C | 25 °C | 06:27 | 19:13 | 23:48 | 14:09 | Last Quarter (39 %) |
| September 5, 2026 |
Sunny
|
21 °C | 26 °C | 06:28 | 19:12 | Does not rise today | 15:12 | Waning Crescent (29 %) |
| September 6, 2026 |
Overcast
|
24 °C | 28 °C | 06:28 | 19:11 | 00:51 | 16:08 | Waning Crescent (20 %) |
| September 7, 2026 |
Overcast
|
25 °C | 30 °C | 06:29 | 19:09 | 02:02 | 16:57 | Waning Crescent (12 %) |
| September 8, 2026 |
Sunny
|
24 °C | 29 °C | 06:30 | 19:08 | 03:17 | 17:38 | Waning Crescent (6 %) |
| September 9, 2026 |
Sunny
|
23 °C | 27 °C | 06:31 | 19:07 | 04:32 | 18:14 | New Moon (2 %) |
| September 10, 2026 |
Sunny
|
21 °C | 24 °C | 06:31 | 19:05 | 05:45 | 18:46 | New Moon (0 %) |
| September 11, 2026 |
Sunny
|
20 °C | 23 °C | 06:32 | 19:04 | 06:56 | 19:16 | New Moon (0 %) |
| September 12, 2026 |
Sunny
|
19 °C | 22 °C | 06:33 | 19:02 | 08:06 | 19:46 | New Moon (3 %) |
| September 13, 2026 |
Sunny
|
19 °C | 24 °C | 06:33 | 19:01 | 09:15 | 20:18 | Waxing Crescent (8 %) |
| September 14, 2026 |
Sunny
|
21 °C | 26 °C | 06:34 | 19:00 | 10:23 | 20:53 | Waxing Crescent (14 %) |