Ontario Int. (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 23° Celsius; -
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 24° Celsius;
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 24° Celsius;
-
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 25° Celsius;
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 25° Celsius;
-
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 25° Celsius;
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 25° Celsius;
-
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 23° Celsius;
-
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 22° Celsius;
-
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 21° Celsius;
Clear.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for Ontario Int.
Today (30 August 2025)
| Time |
21:00
|
22:00
|
23:00
|
|---|---|---|---|
| Weather symbols |  |
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
| Temperature |
30°
|
29°
|
28°
|
| Feels like temperature (°C) |
30°
|
29°
|
28°
|
| Wind direction and speed |
SSW
5
|
SSW
5
|
SW
3
|
| Wind gust (mph) |
11
|
10
|
9
|
| Visibility |
VG
|
VG
|
VG
|
| Humidity |
40%
|
40%
|
40%
|
| UV | - | - | - |
Sunday (31 August 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
27°
|
27°
|
26°
|
25°
|
25°
|
24°
|
24°
|
24°
|
24°
|
25°
|
26°
|
28°
|
29°
|
30°
|
31°
|
32°
|
33°
|
33°
|
32°
|
31°
|
31°
|
30°
|
29°
|
28°
|
| Feels like temperature (°C) |
28°
|
28°
|
27°
|
27°
|
27°
|
26°
|
25°
|
25°
|
26°
|
27°
|
27°
|
29°
|
30°
|
31°
|
32°
|
33°
|
34°
|
34°
|
33°
|
32°
|
31°
|
30°
|
29°
|
29°
|
| Wind direction and speed (mph) |
SW
3
|
SW
3
|
SW
3
|
WSW
2
|
WSW
1
|
WSW
1
|
W
1
|
WNW
1
|
WNW
1
|
W
1
|
SW
3
|
SW
3
|
SW
4
|
SW
5
|
SW
6
|
SW
6
|
SW
6
|
SW
5
|
SW
5
|
SW
5
|
SW
5
|
SSW
5
|
SW
4
|
SW
3
|
| Wind gust (mph) |
8
|
6
|
5
|
5
|
4
|
4
|
4
|
5
|
6
|
8
|
11
|
13
|
14
|
15
|
16
|
16
|
16
|
15
|
14
|
13
|
12
|
11
|
10
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
44%
|
52%
|
55%
|
58%
|
61%
|
64%
|
65%
|
63%
|
59%
|
57%
|
54%
|
47%
|
43%
|
40%
|
40%
|
40%
|
39%
|
38%
|
38%
|
40%
|
40%
|
40%
|
40%
|
44%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 7 | 9 | 10 | 10 | 8 | 6 | 4 | 2 | 1 | - | - | - | - | - |
Monday (1 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
27°
|
27°
|
26°
|
25°
|
25°
|
24°
|
24°
|
24°
|
25°
|
26°
|
27°
|
29°
|
31°
|
32°
|
33°
|
34°
|
34°
|
34°
|
31°
|
29°
|
| Feels like temperature (°C) |
29°
|
28°
|
27°
|
27°
|
27°
|
26°
|
26°
|
26°
|
26°
|
28°
|
29°
|
30°
|
32°
|
33°
|
34°
|
35°
|
35°
|
35°
|
32°
|
30°
|
| Wind direction and speed (mph) |
SW
3
|
SW
3
|
SW
2
|
WSW
1
|
WSW
1
|
W
1
|
NW
1
|
NNW
1
|
NNW
1
|
WNW
1
|
SW
2
|
SW
3
|
SW
3
|
SW
5
|
SW
5
|
SW
5
|
SW
6
|
SW
5
|
SSW
5
|
SW
3
|
| Wind gust (mph) |
7
|
6
|
5
|
4
|
4
|
4
|
4
|
5
|
5
|
6
|
9
|
12
|
14
|
15
|
16
|
16
|
16
|
15
|
12
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
52%
|
55%
|
58%
|
63%
|
64%
|
67%
|
67%
|
64%
|
56%
|
54%
|
50%
|
42%
|
41%
|
41%
|
39%
|
39%
|
37%
|
36%
|
41%
|
46%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 7 | 9 | 10 | 10 | 8 | 6 | 4 | 2 | - | - |
Tuesday (2 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
20%
|
10%
|
20%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
27°
|
25°
|
25°
|
29°
|
33°
|
34°
|
31°
|
29°
|
| Feels like temperature (°C) |
29°
|
28°
|
28°
|
31°
|
34°
|
35°
|
32°
|
30°
|
| Wind direction and speed (mph) |
W
3
|
WNW
2
|
NNW
2
|
SW
3
|
SW
5
|
SW
5
|
SW
5
|
SW
3
|
| Wind gust (mph) |
7
|
6
|
10
|
15
|
16
|
15
|
12
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
56%
|
67%
|
67%
|
56%
|
43%
|
38%
|
42%
|
46%
|
| UV | - | - | 2 | 9 | 8 | 1 | - | - |
Wednesday (3 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
27°
|
25°
|
26°
|
29°
|
33°
|
34°
|
31°
|
29°
|
| Feels like temperature (°C) |
28°
|
28°
|
27°
|
31°
|
34°
|
34°
|
32°
|
29°
|
| Wind direction and speed (mph) |
SW
3
|
WSW
2
|
W
1
|
SSW
3
|
SW
6
|
SW
6
|
SW
5
|
SW
3
|
| Wind gust (mph) |
6
|
6
|
10
|
17
|
18
|
17
|
12
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
56%
|
65%
|
59%
|
49%
|
40%
|
36%
|
40%
|
42%
|
| UV | - | - | 2 | 9 | 8 | 1 | - | - |
Thursday (4 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
26°
|
24°
|
24°
|
28°
|
32°
|
32°
|
30°
|
27°
|
| Feels like temperature (°C) |
27°
|
26°
|
26°
|
29°
|
33°
|
32°
|
30°
|
27°
|
| Wind direction and speed (mph) |
SW
3
|
WSW
1
|
WNW
1
|
SW
3
|
SW
6
|
SW
6
|
SW
5
|
SW
3
|
| Wind gust (mph) |
6
|
4
|
11
|
16
|
17
|
17
|
12
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
54%
|
66%
|
60%
|
51%
|
37%
|
31%
|
38%
|
46%
|
| UV | - | - | 2 | 9 | 8 | 1 | - | - |
Friday (5 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
24°
|
22°
|
23°
|
26°
|
31°
|
32°
|
29°
|
26°
|
| Feels like temperature (°C) |
25°
|
24°
|
24°
|
27°
|
31°
|
31°
|
29°
|
26°
|
| Wind direction and speed (mph) |
SW
3
|
SW
2
|
W
1
|
SSW
3
|
SW
6
|
SW
6
|
SW
5
|
SW
3
|
| Wind gust (mph) |
6
|
5
|
11
|
17
|
17
|
16
|
12
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
59%
|
72%
|
69%
|
54%
|
38%
|
26%
|
39%
|
44%
|
| UV | - | - | 2 | 9 | 8 | 1 | - | - |
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Forecast
Forecast for 21:00 (UTC-7), Sat
Updated 01:23 (UTC+1) on Sun 31 Aug 2025
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