Currently: 65 °F. Broken clouds. (Weather station: Ontario International Airport, USA). See more current weatherPast Weather in Fontana — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
52
56
60
64
68
72
76
80
84
88
Sat, Oct 11
Lo:75
12 pm
Hi:84
12
Lo:64
6 pm
Hi:72
3
Sun, Oct 12
Lo:57
12 am
Hi:64
0
Lo:57
6 am
Hi:75
3
Lo:73
12 pm
Hi:82
11
Lo:63
6 pm
Hi:70
7
Mon, Oct 13
Lo:57
12 am
Hi:61
5
Lo:59
6 am
Hi:66
6
Lo:64
12 pm
Hi:70
7
Lo:61
6 pm
Hi:63
6
Tue, Oct 14
Lo:57
12 am
Hi:61
4
Lo:54
6 am
Hi:61
7
Lo:54
12 pm
Hi:57
7
Lo:55
6 pm
Hi:57
6
Wed, Oct 15
Lo:55
12 am
Hi:55
2
Lo:54
6 am
Hi:64
2
Lo:66
12 pm
Hi:68
7
Lo:55
6 pm
Hi:63
4
Thu, Oct 16
Lo:54
12 am
Hi:55
0
Lo:54
6 am
Hi:72
2
Lo:73
12 pm
Hi:79
9
Lo:59
6 pm
Hi:70
6
Fri, Oct 17
Lo:55
12 am
Hi:59
2
Lo:57
6 am
Hi:81
8
Lo:79
12 pm
Hi:82
11
Lo:64
6 pm
Hi:75
6
Sat, Oct 18
Lo:57
12 am
Hi:64
3
Lo:57
6 am
Hi:79
3
Lo:82
12 pm
Hi:86
4
Lo:66
6 pm
Hi:79
3
Sun, Oct 19
Lo:59
12 am
Hi:64
1
Lo:59
6 am
Hi:81
1
Lo:79
12 pm
Hi:84
8
Lo:64
6 pm
Hi:73
4
Mon, Oct 20
Lo:59
12 am
Hi:63
1
Lo:59
6 am
Hi:79
0
Lo:81
12 pm
Hi:86
6
Lo:66
6 pm
Hi:79
4
Tue, Oct 21
Lo:61
12 am
Hi:64
1
Lo:63
6 am
Hi:82
1
Lo:75
12 pm
Hi:90
8
Lo:63
6 pm
Hi:72
7
Wed, Oct 22
Lo:57
12 am
Hi:63
4
Lo:57
6 am
Hi:68
6
Lo:68
12 pm
Hi:73
10
Lo:61
6 pm
Hi:64
6
Thu, Oct 23
Lo:55
12 am
Hi:59
2
Lo:55
6 am
Hi:68
3
Lo:70
12 pm
Hi:73
7
Lo:61
6 pm
Hi:72
4
Fri, Oct 24
Lo:59
12 am
Hi:61
1
Lo:59
6 am
Hi:77
0
Lo:75
12 pm
Hi:82
9
Lo:63
6 pm
Hi:72
4
Sat, Oct 25
Lo:57
12 am
Hi:63
2
Lo:55
6 am
Hi:61
4
Lo:64
12 pm
Hi:73
5
Lo:59
6 pm
Hi:68
4
Sun, Oct 26
Lo:55
12 am
Hi:59
1
Lo:54
6 am
Hi:61
2
Lo:63
12 pm
Hi:63
6
Saturday, October 11, 2025, 12:00 pm — 6:00 pm
84 / 75 °F
Sunny.
Humidity: 28%
Barometer: 29.71 "Hg
WSW
Wind: 11.807 mph
Fontana Temperature Yesterday
Maximum temperature yesterday: 74 °F (at 2:53 pm)
Minimum temperature yesterday: 56 °F (at 6:30 am)
Average temperature yesterday: 62 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 89 °F (Oct 21, 2:53 pm) | 100% (Oct 25, 7:33 am) | 30.07 "Hg (Oct 25, 7:33 am) |
| Low | 53 °F (Oct 16, 3:53 am) | 13% (Oct 18, 4:53 pm) | 29.63 "Hg (Oct 12, 4:53 pm) |
| Average | 65 °F | 61% | 29.92 "Hg |
| * Reported Oct 11 12:53 pm — Oct 26 12:21 pm, Fontana. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Fontana Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:21 pm Sun, Oct 26 | | 62 °F | Partly sunny. | 6 mph | ↑ | 83% | 30.04 "Hg | 3 mi |
| 11:53 am |  | 60 °F | Fog. | 6 mph | ↑ | 90% | 30.03 "Hg | 2 mi |
| 11:14 am | | 57 °F | Fog. | No wind | ↑ | 96% | 30.05 "Hg | 1 mi |
| 10:53 am | | 57 °F | Fog. | No wind | ↑ | 96% | 30.03 "Hg | 1 mi |
| 10:33 am | | 57 °F | Fog. | No wind | ↑ | 96% | 30.05 "Hg | 1 mi |
| 9:53 am | | 56 °F | Fog. | No wind | ↑ | 100% | 30.03 "Hg | 0 mi |
| 8:53 am | | 55 °F | Fog. | No wind | ↑ | 100% | 30.03 "Hg | 0 mi |
| 8:26 am | | 55 °F | Fog. | No wind | ↑ | 96% | 30.04 "Hg | 0 mi |
| 7:53 am | | 54 °F | Fog. | 3 mph | ↑ | 100% | 30.00 "Hg | 0 mi |
| 6:53 am |  | 54 °F | Fog. | 5 mph | ↑ | 97% | 29.98 "Hg | 0 mi |
| 6:12 am | | 55 °F | Fog. | 5 mph | ↑ | 90% | 30.00 "Hg | 0 mi |
| 5:53 am | | 55 °F | Fog. | 3 mph | ↑ | 90% | 29.97 "Hg | 4 mi |
| 5:13 am | | 55 °F | Fog. | 3 mph | ↑ | 93% | 29.99 "Hg | 5 mi |
| 4:53 am | | 55 °F | Fog. | No wind | ↑ | 90% | 29.96 "Hg | 4 mi |
| 3:53 am | | 57 °F | Fog. | No wind | ↑ | 93% | 29.95 "Hg | 3 mi |
| 3:19 am | | 57 °F | Fog. | No wind | ↑ | 93% | 29.99 "Hg | 2 mi |
| 2:53 am | | 57 °F | Fog. | No wind | ↑ | 93% | 29.97 "Hg | 3 mi |
| 1:53 am | | 58 °F | Fog. | No wind | ↑ | 93% | 29.98 "Hg | 3 mi |
| 12:53 am | | 59 °F | Fog. | No wind | ↑ | 90% | 29.99 "Hg | 4 mi |
| 11:53 pm Sat, Oct 25 | | 59 °F | Fog. | No wind | ↑ | 90% | 30.00 "Hg | 4 mi |
| 10:53 pm | | 60 °F | Fog. | 3 mph | ↑ | 86% | 30.01 "Hg | 4 mi |
| 9:53 pm | | 61 °F | Fog. | 5 mph | ↑ | 87% | 30.00 "Hg | 5 mi |
| 8:53 pm | | 62 °F | Passing clouds. | 5 mph | ↑ | 83% | 29.99 "Hg | 8 mi |
| 7:53 pm | | 65 °F | Passing clouds. | 5 mph | ↑ | 76% | 29.97 "Hg | 7 mi |
| 6:53 pm | | 68 °F | Passing clouds. | 8 mph | ↑ | 65% | 29.96 "Hg | 7 mi |
| 5:53 pm |  | 71 °F | Scattered clouds. | 7 mph | ↑ | 59% | 29.95 "Hg | 7 mi |
| 4:53 pm | | 74 °F | Passing clouds. | 7 mph | ↑ | 52% | 29.95 "Hg | 7 mi |
| 3:53 pm | | 74 °F | Partly sunny. | 7 mph | ↑ | 56% | 29.95 "Hg | 6 mi |
| 2:53 pm | | 74 °F | Partly sunny. | 9 mph | ↑ | 53% | 29.95 "Hg | 6 mi |
| 1:53 pm | | 71 °F | Scattered clouds. | 6 mph | ↑ | 63% | 29.97 "Hg | 4 mi |
| Weather by CustomWeather, © 2025 | ||||||||