27 °C
Feels like 27.6 °C
Min 17 °C / Max 30 °C
Sunny
Today's Summary
If you head out in Fullerton today, you'll see a sunny sky. The thermometer currently shows 27°C. UV levels are elevated today – remember sun protection if you're outdoors. During the day temperatures will range between 16.5°C and 30.1°C.
Hourly forecast – Fullerton, today
Jun 3, 15:00
27 °C
Sunny
Jun 3, 16:00
28 °C
Sunny
Jun 3, 17:00
26 °C
Sunny
Jun 3, 18:00
24 °C
Sunny
Jun 3, 19:00
22 °C
Sunny
Jun 3, 20:00
20 °C
Clear
Jun 3, 21:00
20 °C
Clear
Jun 3, 22:00
20 °C
Clear
Jun 3, 23:00
20 °C
Clear
Jun 4, 00:00
19 °C
Clear
Jun 4, 01:00
19 °C
Clear
Jun 4, 02:00
19 °C
Clear
Jun 4, 03:00
19 °C
Clear
Jun 4, 04:00
18 °C
Clear
Jun 4, 05:00
18 °C
Clear
Jun 4, 06:00
19 °C
Sunny
Jun 4, 07:00
19 °C
Sunny
Jun 4, 08:00
21 °C
Sunny
Jun 4, 09:00
22 °C
Sunny
Jun 4, 10:00
24 °C
Sunny
Jun 4, 11:00
25 °C
Sunny
Jun 4, 12:00
26 °C
Sunny
Jun 4, 13:00
26 °C
Sunny
Jun 4, 14:00
27 °C
Sunny
Time
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
Temperature (°C)
Chance of rain (%)
0
1
1
1
2
3
4
1
1
2
2
2
3
3
3
3
2
1
1
1
0
0
0
0
Precipitation
Wind (km/h)
SW
17
17
SW
16
16
SW
16
16
SW
14
14
SW
13
13
SSW
11
11
SSW
9
9
S
8
8
S
7
7
S
7
7
S
8
8
S
8
8
S
7
7
S
6
6
S
5
5
S
4
4
SSW
4
4
SSW
5
5
SW
6
6
SW
8
8
SW
10
10
SW
13
13
SW
15
15
SW
16
16
Pressure (hPa)
1014
1012
1012
1011
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1010
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 16.4°C at night, with daytime highs up to 30.1°C.
Date
Jun 3
Jun 4
Jun 5
Jun 6
Jun 7
Jun 8
Jun 9
Jun 10
Jun 11
Jun 12
Jun 13
Jun 14
Jun 15
Jun 16
Temperature (°C)
Chance of rain (%)
4
1
1
3
1
1
1
1
1
1
1
1
1
1
Precipitation
Wind max (km/h)
17
17
19
17
19
17
19
17
17
18
17
18
17
17
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| June 3, 2026 |
Partly cloudy
|
17 °C | 30 °C | 05:41 | 19:58 | 23:18 | 08:30 | Waning Moon (83 %) |
| June 4, 2026 |
Sunny
|
18 °C | 27 °C | 05:41 | 19:58 | 23:50 | 09:29 | Waning Moon (74 %) |
| June 5, 2026 |
Sunny
|
18 °C | 27 °C | 05:40 | 19:59 | Does not rise today | 10:27 | Last Quarter (64 %) |
| June 6, 2026 |
Partly cloudy
|
18 °C | 24 °C | 05:40 | 19:59 | 00:19 | 11:25 | Last Quarter (54 %) |
| June 7, 2026 |
Sunny
|
17 °C | 24 °C | 05:40 | 20:00 | 00:45 | 12:21 | Last Quarter (43 %) |
| June 8, 2026 |
Sunny
|
17 °C | 24 °C | 05:40 | 20:00 | 01:09 | 13:18 | Last Quarter (33 %) |
| June 9, 2026 |
Sunny
|
17 °C | 24 °C | 05:40 | 20:01 | 01:34 | 14:17 | Waning Crescent (24 %) |
| June 10, 2026 |
Sunny
|
16 °C | 23 °C | 05:40 | 20:01 | 02:00 | 15:19 | Waning Crescent (15 %) |
| June 11, 2026 |
Sunny
|
18 °C | 27 °C | 05:40 | 20:02 | 02:29 | 16:24 | Waning Crescent (8 %) |
| June 12, 2026 |
Sunny
|
19 °C | 25 °C | 05:40 | 20:02 | 03:03 | 17:33 | New Moon (3 %) |
| June 13, 2026 |
Sunny
|
18 °C | 27 °C | 05:40 | 20:03 | 03:44 | 18:46 | New Moon (1 %) |
| June 14, 2026 |
Sunny
|
18 °C | 26 °C | 05:40 | 20:03 | 04:35 | 19:57 | New Moon (0 %) |
| June 15, 2026 |
Sunny
|
18 °C | 26 °C | 05:40 | 20:03 | 05:37 | 21:02 | New Moon (2 %) |
| June 16, 2026 |
Sunny
|
17 °C | 24 °C | 05:40 | 20:04 | 06:48 | 21:57 | Waxing Crescent (6 %) |