Currently: 75 °F. Scattered clouds. (Weather station: Ontario International Airport, USA). See more current weatherFontana Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
53
57
61
65
69
73
77
81
85
89
93
97
May 18 – May 24
Lo:59
Thu, 22
Hi:88
9
Lo:58
Fri, 23
Hi:83
10
Lo:56
Sat, 24
Hi:77
8
May 25 – May 31
Lo:54
Sun, 25
Hi:80
9
Lo:54
Mon, 26
Hi:79
9
Lo:55
Tue, 27
Hi:84
5
Lo:57
Wed, 28
Hi:84
9
Lo:58
Thu, 29
Hi:85
8
Lo:63
Fri, 30
Hi:99
9
Lo:63
Sat, 31
Hi:93
9
Jun 1 – Jun 7
Lo:63
Sun, 1
Hi:93
10
Lo:62
Mon, 2
Hi:90
10
Lo:62
Tue, 3
Hi:89
11
Lo:58
Wed, 4
Hi:79
11
Lo:59
Thu, 5
Hi:78
8
2 Week Extended Forecast in Fontana, California, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Thu May 22 | | 88 / 59 °F | Mostly sunny. | 84 °F | 9 mph | ↑ | 26% | 0% | - | 7 (High) | 5:43 am | 7:49 pm |
| Fri May 23 |  | 83 / 58 °F | Sunny. | 81 °F | 10 mph | ↑ | 29% | 0% | - | 7 (High) | 5:42 am | 7:50 pm |
| Sat May 24 |  | 77 / 56 °F | Broken clouds. | 78 °F | 8 mph | ↑ | 38% | 0% | - | 5 (Moderate) | 5:42 am | 7:51 pm |
| Sun May 25 |  | 80 / 54 °F | Increasing cloudiness. | 79 °F | 9 mph | ↑ | 36% | 0% | - | 7 (High) | 5:41 am | 7:51 pm |
| Mon May 26 | | 79 / 54 °F | Mostly cloudy. | 79 °F | 9 mph | ↑ | 40% | 0% | - | 5 (Moderate) | 5:41 am | 7:52 pm |
| Tue May 27 | | 84 / 55 °F | Morning clouds. | 81 °F | 5 mph | ↑ | 30% | 0% | - | 7 (High) | 5:40 am | 7:53 pm |
| Wed May 28 | | 84 / 57 °F | Sunny. | 82 °F | 9 mph | ↑ | 35% | 0% | - | 10 (Very high) | 5:40 am | 7:53 pm |
| Thu May 29 | | 85 / 58 °F | Mostly sunny. | 82 °F | 8 mph | ↑ | 30% | 3% | - | 5 (Moderate) | 5:40 am | 7:54 pm |
| Fri May 30 | | 99 / 63 °F | Sunny. | 96 °F | 9 mph | ↑ | 24% | 1% | - | 10 (Very high) | 5:39 am | 7:55 pm |
| Sat May 31 | | 93 / 63 °F | Sunny. | 91 °F | 9 mph | ↑ | 29% | 2% | - | 10 (Very high) | 5:39 am | 7:55 pm |
| Sun Jun 1 | | 93 / 63 °F | Sunny. | 88 °F | 10 mph | ↑ | 18% | 4% | - | 10 (Very high) | 5:39 am | 7:56 pm |
| Mon Jun 2 | | 90 / 62 °F | Sunny. | 87 °F | 10 mph | ↑ | 24% | 4% | - | 10 (Very high) | 5:38 am | 7:56 pm |
| Tue Jun 3 | | 89 / 62 °F | Sunny. | 87 °F | 11 mph | ↑ | 32% | 4% | - | 10 (Very high) | 5:38 am | 7:57 pm |
| Wed Jun 4 | | 79 / 58 °F | Morning clouds. | 79 °F | 11 mph | ↑ | 40% | 5% | - | 10 (Very high) | 5:38 am | 7:58 pm |
| Thu Jun 5 | | 78 / 59 °F | Sunny. | 78 °F | 8 mph | ↑ | 28% | 4% | - | 10 (Very high) | 5:38 am | 7:58 pm |
| * Updated Thursday, May 22, 2025 8:24:06 am Fontana time - Weather by CustomWeather, © 2025 | ||||||||||||