Ontario Int. (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 11° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius;
Sunny.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Ontario Int.
Today (1 December 2025)
| Time |
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%
|
| Temperature |
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
11°
|
14°
|
16°
|
17°
|
19°
|
20°
|
21°
|
21°
|
20°
|
19°
|
18°
|
18°
|
17°
|
16°
|
15°
|
14°
|
| Feels like temperature (°C) |
13°
|
12°
|
12°
|
11°
|
11°
|
10°
|
10°
|
11°
|
13°
|
15°
|
17°
|
18°
|
19°
|
19°
|
20°
|
20°
|
18°
|
17°
|
17°
|
16°
|
15°
|
14°
|
13°
|
| Wind direction and speed |
NNW
1
|
N
2
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
2
|
NNE
1
|
NNE
1
|
E
1
|
E
1
|
E
2
|
NNE
2
|
NNE
3
|
NNE
3
|
N
3
|
N
3
|
NNE
4
|
NNE
5
|
NNE
5
|
| Wind gust (mph) |
4
|
5
|
6
|
6
|
7
|
8
|
9
|
9
|
8
|
6
|
5
|
4
|
4
|
5
|
7
|
8
|
8
|
8
|
8
|
10
|
11
|
12
|
13
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
87%
|
87%
|
86%
|
86%
|
85%
|
81%
|
73%
|
60%
|
45%
|
41%
|
33%
|
26%
|
23%
|
20%
|
20%
|
38%
|
38%
|
38%
|
38%
|
36%
|
29%
|
25%
|
24%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | - | - | - | - | - | - | - | - |
Tuesday (2 December 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%
|
10%
|
20%
|
| Temperature (°C) |
13°
|
12°
|
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
11°
|
13°
|
15°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
| Feels like temperature (°C) |
12°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
9°
|
10°
|
12°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
| Wind direction and speed (mph) |
NNE
6
|
NNE
6
|
NNE
5
|
NNE
5
|
NNE
5
|
NNE
5
|
NNE
5
|
NNE
5
|
NNE
4
|
NNE
3
|
SSE
1
|
SSW
3
|
SSW
3
|
SSW
3
|
SSW
4
|
SSW
3
|
SW
4
|
SW
3
|
SW
3
|
SW
3
|
SW
3
|
SSW
3
|
SSW
3
|
SW
2
|
| Wind gust (mph) |
13
|
13
|
12
|
12
|
11
|
10
|
10
|
10
|
9
|
6
|
5
|
10
|
12
|
12
|
12
|
12
|
11
|
10
|
8
|
8
|
7
|
6
|
5
|
4
|
| 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 |
26%
|
28%
|
32%
|
31%
|
36%
|
35%
|
38%
|
37%
|
31%
|
28%
|
23%
|
23%
|
25%
|
27%
|
30%
|
35%
|
42%
|
54%
|
60%
|
64%
|
70%
|
74%
|
78%
|
82%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | - | - | - | - | - | - | - | - |
Wednesday (3 December 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 |
20%
|
30%
|
30%
|
30%
|
40%
|
40%
|
40%
|
40%
|
30%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
14°
|
15°
|
17°
|
18°
|
19°
|
18°
|
17°
|
17°
|
16°
|
15°
|
14°
|
13°
|
12°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
14°
|
15°
|
16°
|
17°
|
18°
|
17°
|
16°
|
15°
|
14°
|
14°
|
14°
|
12°
|
12°
|
| Wind direction and speed (mph) |
SW
1
|
SW
1
|
SW
1
|
W
1
|
NNW
2
|
NNE
2
|
NE
2
|
NNE
2
|
NNE
2
|
ENE
2
|
SE
2
|
SSE
2
|
ESE
2
|
NE
2
|
NNE
2
|
NNW
2
|
N
4
|
NNE
5
|
NE
7
|
NE
5
|
NNE
3
|
NNE
3
|
N
3
|
NNE
3
|
| Wind gust (mph) |
4
|
3
|
3
|
3
|
4
|
4
|
5
|
6
|
6
|
7
|
7
|
7
|
7
|
7
|
8
|
8
|
15
|
18
|
17
|
14
|
10
|
9
|
9
|
10
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
88%
|
91%
|
92%
|
93%
|
93%
|
93%
|
93%
|
91%
|
89%
|
81%
|
73%
|
63%
|
54%
|
40%
|
34%
|
38%
|
29%
|
25%
|
25%
|
36%
|
41%
|
42%
|
42%
|
| UV | - | - | - | - | - | - | - | - | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | - | - | - | - | - | - | - | - |
Thursday (4 December 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) |
11°
|
11°
|
10°
|
9°
|
9°
|
8°
|
8°
|
8°
|
9°
|
11°
|
13°
|
15°
|
16°
|
17°
|
18°
|
18°
|
18°
|
16°
|
16°
|
15°
|
15°
|
14°
|
13°
|
12°
|
| Feels like temperature (°C) |
11°
|
10°
|
9°
|
8°
|
7°
|
7°
|
6°
|
6°
|
7°
|
10°
|
13°
|
14°
|
16°
|
16°
|
17°
|
17°
|
17°
|
15°
|
15°
|
15°
|
14°
|
13°
|
12°
|
11°
|
| Wind direction and speed (mph) |
NNE
4
|
NNE
5
|
NNE
5
|
NNE
5
|
NNE
5
|
NNE
6
|
NNE
6
|
NNE
6
|
NNE
5
|
NNE
4
|
NNE
3
|
NNE
2
|
NNE
2
|
NE
2
|
NNE
2
|
N
2
|
NNW
3
|
NNW
3
|
NNW
3
|
NNW
3
|
N
3
|
N
4
|
NNE
4
|
NNE
5
|
| Wind gust (mph) |
10
|
11
|
12
|
11
|
12
|
11
|
12
|
12
|
12
|
11
|
9
|
7
|
6
|
7
|
7
|
8
|
10
|
10
|
8
|
7
|
8
|
10
|
10
|
11
|
| 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 |
42%
|
42%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
38%
|
36%
|
28%
|
20%
|
20%
|
20%
|
20%
|
20%
|
32%
|
31%
|
36%
|
37%
|
39%
|
39%
|
39%
|
38%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 3 | 3 | 2 | 1 | - | - | - | - | - | - | - | - |
Friday (5 December 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
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
12°
|
14°
|
16°
|
18°
|
18°
|
19°
|
19°
|
18°
|
16°
|
14°
|
| Feels like temperature (°C) |
10°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
7°
|
9°
|
12°
|
14°
|
16°
|
16°
|
17°
|
17°
|
17°
|
16°
|
15°
|
14°
|
| Wind direction and speed (mph) |
NNE
6
|
NNE
6
|
NNE
6
|
NNE
6
|
NNE
6
|
NNE
6
|
NNE
6
|
NNE
6
|
NNE
5
|
NNE
3
|
NE
3
|
ESE
1
|
S
2
|
S
3
|
SSW
4
|
SSW
4
|
SSW
5
|
SSW
2
|
N
2
|
| Wind gust (mph) |
12
|
12
|
12
|
12
|
12
|
12
|
12
|
12
|
11
|
10
|
8
|
4
|
9
|
11
|
11
|
11
|
10
|
6
|
5
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
38%
|
39%
|
38%
|
36%
|
36%
|
36%
|
31%
|
30%
|
23%
|
21%
|
21%
|
20%
|
19%
|
19%
|
19%
|
19%
|
22%
|
38%
|
40%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 3 | 3 | 1 | 1 | - | - | - |
Saturday (6 December 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
12°
|
11°
|
10°
|
15°
|
18°
|
18°
|
15°
|
14°
|
| Feels like temperature (°C) |
12°
|
11°
|
10°
|
15°
|
17°
|
17°
|
15°
|
14°
|
| Wind direction and speed (mph) |
NNE
3
|
NNE
4
|
NNE
5
|
SE
1
|
S
3
|
SSW
3
|
SW
3
|
WSW
2
|
| Wind gust (mph) |
6
|
8
|
8
|
5
|
12
|
10
|
6
|
6
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
41%
|
42%
|
43%
|
27%
|
22%
|
34%
|
44%
|
55%
|
| UV | - | - | 1 | 3 | 3 | - | - | - |
Sunday (7 December 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
12°
|
11°
|
16°
|
19°
|
19°
|
17°
|
15°
|
| Feels like temperature (°C) |
12°
|
11°
|
10°
|
16°
|
18°
|
18°
|
16°
|
15°
|
| Wind direction and speed (mph) |
N
3
|
N
4
|
NNE
5
|
E
2
|
SSW
3
|
SSW
4
|
SW
2
|
NNW
3
|
| Wind gust (mph) |
8
|
9
|
9
|
7
|
11
|
9
|
8
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
54%
|
55%
|
51%
|
44%
|
37%
|
45%
|
48%
|
50%
|
| UV | - | - | 1 | 3 | 3 | - | - | - |
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