70 °F
Feels like 70 °F
Min 58 °F / Max 83 °F
Sunny
Today's Summary
If you head out in Fullerton today, you'll see a sunny sky. The thermometer currently shows 21.1°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 14.4°C and 28.6°C.
Hourly forecast – Fullerton, today
Apr 19, 10:00
70 °F
Sunny
Apr 19, 11:00
75 °F
Sunny
Apr 19, 12:00
79 °F
Sunny
Apr 19, 13:00
79 °F
Sunny
Apr 19, 14:00
80 °F
Sunny
Apr 19, 15:00
80 °F
Sunny
Apr 19, 16:00
75 °F
Sunny
Apr 19, 17:00
72 °F
Sunny
Apr 19, 18:00
69 °F
Sunny
Apr 19, 19:00
66 °F
Sunny
Apr 19, 20:00
64 °F
Clear
Apr 19, 21:00
64 °F
Partly cloudy
Apr 19, 22:00
65 °F
Clear
Apr 19, 23:00
64 °F
Clear
Apr 20, 00:00
64 °F
Clear
Apr 20, 01:00
63 °F
Clear
Apr 20, 02:00
63 °F
Clear
Apr 20, 03:00
62 °F
Clear
Apr 20, 04:00
62 °F
Clear
Apr 20, 05:00
61 °F
Clear
Apr 20, 06:00
61 °F
Clear
Apr 20, 07:00
62 °F
Sunny
Apr 20, 08:00
64 °F
Sunny
Apr 20, 09:00
66 °F
Sunny
Time
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
Temperature (°F)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Precipitation
Wind (mph)
SW
6
6
SW
6
6
SW
8
8
SW
9
9
SW
10
10
SW
10
10
SW
11
11
SW
12
12
SW
11
11
SW
9
9
SW
8
8
SW
7
7
SW
6
6
SW
5
5
SW
4
4
SW
4
4
SW
4
4
WSW
4
4
WSW
3
3
SW
2
2
S
1
1
SSE
2
2
SSE
2
2
SSW
3
3
Pressure (hPa)
1013
1013
1013
1012
1012
1011
1011
1011
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
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 13.9°C at night, with daytime highs up to 28.6°C.
Date
Apr 19
Apr 20
Apr 21
Apr 22
Apr 23
Apr 24
Apr 25
Apr 26
Apr 27
Apr 28
Apr 29
Apr 30
May 1
May 2
Temperature (°F)
Chance of rain (%)
0
0
86
0
0
0
0
87
0
0
0
0
0
0
Precipitation
Wind max (mph)
12
12
14
11
12
12
13
7
11
10
11
11
12
12
| Date | Weather | Min °F | Max °F | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| April 19, 2026 |
Sunny
|
58 °F | 83 °F | 06:16 | 19:26 | 07:31 | 22:39 | Waxing Crescent (3 %) |
| April 20, 2026 |
Sunny
|
61 °F | 74 °F | 06:14 | 19:27 | 08:25 | 23:50 | Waxing Crescent (9 %) |
| April 21, 2026 |
Patchy rain possible
|
60 °F | 71 °F | 06:13 | 19:28 | 09:28 | — | Waxing Crescent (17 %) |
| April 22, 2026 |
Sunny
|
57 °F | 68 °F | 06:12 | 19:29 | 10:36 | 00:51 | Waxing Crescent (27 %) |
| April 23, 2026 |
Sunny
|
58 °F | 71 °F | 06:11 | 19:30 | 11:47 | 01:43 | Waxing Crescent (38 %) |
| April 24, 2026 |
Partly cloudy
|
61 °F | 69 °F | 06:10 | 19:30 | 12:56 | 02:24 | First Quarter (49 %) |
| April 25, 2026 |
Partly cloudy
|
60 °F | 67 °F | 06:09 | 19:31 | 14:02 | 02:58 | Waxing Moon (60 %) |
| April 26, 2026 |
Patchy rain possible
|
59 °F | 62 °F | 06:08 | 19:32 | 15:05 | 03:28 | Waxing Moon (70 %) |
| April 27, 2026 |
Partly cloudy
|
59 °F | 69 °F | 06:07 | 19:33 | 16:05 | 03:55 | Waxing Moon (79 %) |
| April 28, 2026 |
Partly cloudy
|
60 °F | 72 °F | 06:06 | 19:33 | 17:04 | 04:20 | Waxing Moon (87 %) |
| April 29, 2026 |
Sunny
|
62 °F | 77 °F | 06:05 | 19:34 | 18:03 | 04:45 | Waxing Moon (93 %) |
| April 30, 2026 |
Sunny
|
62 °F | 75 °F | 06:04 | 19:35 | 19:02 | 05:12 | Waxing Moon (97 %) |
| May 1, 2026 |
Sunny
|
62 °F | 75 °F | 06:03 | 19:36 | 20:02 | 05:41 | Full Moon (99 %) |
| May 2, 2026 |
Sunny
|
63 °F | 78 °F | 06:02 | 19:37 | 21:01 | 06:13 | Waning Moon (100 %) |