Ontario Int. (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius;
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius;
Cloudy changing to sunny intervals by late morning.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for Ontario Int.
Today (21 April 2026)
| Time |
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%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
50%
|
80%
|
≥95%
|
90%
|
70%
|
40%
|
10%
|
<5%
|
<5%
|
| Temperature |
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
20°
|
19°
|
17°
|
16°
|
16°
|
16°
|
15°
|
15°
|
14°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
17°
|
18°
|
18°
|
17°
|
16°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
| Wind direction and speed |
WSW
4
|
WSW
4
|
WSW
3
|
WSW
3
|
WSW
3
|
W
3
|
W
3
|
SW
2
|
SSW
3
|
S
3
|
SSW
5
|
SW
5
|
SW
7
|
SW
10
|
WSW
11
|
SW
12
|
SW
11
|
WSW
10
|
WSW
9
|
WSW
8
|
WSW
6
|
WSW
6
|
| Wind gust (mph) |
10
|
10
|
8
|
7
|
6
|
7
|
8
|
9
|
11
|
13
|
16
|
18
|
22
|
25
|
25
|
25
|
23
|
20
|
18
|
15
|
13
|
11
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
VG
|
| Humidity |
75%
|
76%
|
77%
|
78%
|
79%
|
77%
|
75%
|
69%
|
64%
|
57%
|
53%
|
46%
|
43%
|
49%
|
62%
|
75%
|
85%
|
91%
|
91%
|
87%
|
85%
|
85%
|
| UV | - | - | - | - | - | 1 | 1 | 4 | 4 | 7 | 9 | 8 | 6 | 3 | 1 | 1 | 1 | - | - | - | - | - |
Wednesday (22 April 2026)
| 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) |
14°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
12°
|
13°
|
14°
|
16°
|
17°
|
18°
|
19°
|
20°
|
20°
|
20°
|
20°
|
20°
|
19°
|
18°
|
18°
|
17°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
12°
|
13°
|
14°
|
15°
|
16°
|
17°
|
17°
|
17°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
| Wind direction and speed (mph) |
WSW
5
|
WSW
4
|
WSW
3
|
SW
2
|
SW
2
|
S
2
|
SSE
2
|
E
2
|
SE
2
|
S
2
|
SSW
3
|
SSW
4
|
SW
5
|
SW
6
|
SW
8
|
WSW
8
|
WSW
9
|
WSW
10
|
WSW
10
|
WSW
10
|
WSW
9
|
WSW
8
|
SW
6
|
SW
4
|
| Wind gust (mph) |
9
|
7
|
6
|
5
|
4
|
4
|
4
|
5
|
6
|
9
|
12
|
14
|
17
|
19
|
20
|
21
|
22
|
22
|
21
|
20
|
18
|
16
|
12
|
8
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
86%
|
89%
|
92%
|
93%
|
94%
|
95%
|
93%
|
86%
|
77%
|
69%
|
62%
|
54%
|
43%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
41%
|
42%
|
54%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 7 | 9 | 10 | 9 | 8 | 6 | 3 | 2 | 1 | - | - | - | - | - |
Thursday (23 April 2026)
| 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) |
16°
|
15°
|
15°
|
14°
|
13°
|
13°
|
13°
|
13°
|
15°
|
16°
|
17°
|
19°
|
20°
|
22°
|
23°
|
24°
|
24°
|
24°
|
23°
|
23°
|
22°
|
21°
|
20°
|
19°
|
| Feels like temperature (°C) |
16°
|
15°
|
15°
|
14°
|
13°
|
13°
|
12°
|
13°
|
14°
|
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
21°
|
21°
|
21°
|
20°
|
20°
|
19°
|
19°
|
18°
|
18°
|
| Wind direction and speed (mph) |
SSW
3
|
S
2
|
SE
2
|
E
2
|
NE
2
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
2
|
ESE
1
|
SSW
2
|
SW
3
|
SW
5
|
SW
7
|
WSW
8
|
WSW
9
|
WSW
10
|
WSW
10
|
WSW
10
|
WSW
10
|
WSW
8
|
WSW
7
|
WSW
5
|
WSW
4
|
| Wind gust (mph) |
5
|
4
|
4
|
5
|
5
|
6
|
6
|
6
|
6
|
6
|
7
|
13
|
17
|
19
|
21
|
22
|
23
|
23
|
22
|
19
|
16
|
14
|
11
|
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 |
61%
|
65%
|
67%
|
70%
|
70%
|
71%
|
68%
|
59%
|
54%
|
51%
|
45%
|
43%
|
40%
|
38%
|
36%
|
28%
|
27%
|
26%
|
28%
|
30%
|
33%
|
37%
|
40%
|
42%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 7 | 9 | 10 | 9 | 8 | 6 | 3 | 2 | 1 | - | - | - | - | - |
Friday (24 April 2026)
| 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) |
18°
|
18°
|
17°
|
16°
|
16°
|
15°
|
15°
|
15°
|
16°
|
17°
|
18°
|
20°
|
21°
|
22°
|
23°
|
24°
|
24°
|
24°
|
23°
|
22°
|
21°
|
20°
|
19°
|
18°
|
| Feels like temperature (°C) |
17°
|
17°
|
17°
|
16°
|
16°
|
15°
|
15°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
21°
|
22°
|
22°
|
21°
|
21°
|
20°
|
19°
|
18°
|
18°
|
17°
|
| Wind direction and speed (mph) |
SW
3
|
WSW
3
|
WSW
3
|
W
3
|
W
3
|
W
3
|
NW
3
|
NW
3
|
NW
2
|
WSW
2
|
SW
3
|
SW
4
|
SW
5
|
SW
7
|
WSW
8
|
WSW
9
|
WSW
9
|
WSW
10
|
WSW
9
|
WSW
8
|
WSW
8
|
WSW
7
|
WSW
6
|
WSW
6
|
| Wind gust (mph) |
7
|
6
|
5
|
5
|
5
|
4
|
4
|
5
|
6
|
9
|
11
|
14
|
17
|
19
|
21
|
21
|
21
|
21
|
19
|
17
|
15
|
14
|
12
|
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 |
43%
|
51%
|
55%
|
57%
|
59%
|
64%
|
66%
|
62%
|
58%
|
56%
|
53%
|
48%
|
44%
|
41%
|
36%
|
34%
|
35%
|
35%
|
37%
|
38%
|
40%
|
42%
|
46%
|
54%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 7 | 9 | 9 | 9 | 8 | 6 | 3 | 2 | 1 | - | - | - | - | - |
Saturday (25 April 2026)
| 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
20%
|
20%
|
20%
|
20%
|
50%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
17°
|
15°
|
13°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
17°
|
16°
|
16°
|
15°
|
14°
|
12°
|
| Wind direction and speed (mph) |
WSW
5
|
WSW
5
|
WSW
4
|
WSW
4
|
SW
3
|
SW
3
|
SW
3
|
SW
2
|
SSW
2
|
SSW
3
|
SSW
4
|
SSW
4
|
SW
5
|
SW
7
|
SW
8
|
SW
8
|
SW
9
|
SW
9
|
WSW
8
|
WSW
6
|
| Wind gust (mph) |
10
|
9
|
9
|
8
|
8
|
7
|
6
|
6
|
9
|
10
|
12
|
14
|
16
|
19
|
20
|
20
|
21
|
21
|
18
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
G
|
| Humidity |
61%
|
66%
|
73%
|
75%
|
79%
|
81%
|
84%
|
81%
|
81%
|
76%
|
72%
|
70%
|
67%
|
62%
|
58%
|
56%
|
58%
|
59%
|
66%
|
77%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 4 | 7 | 7 | 6 | 5 | 3 | 3 | 2 | - | - |
Sunday (26 April 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
30%
|
40%
|
20%
|
10%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
14°
|
17°
|
18°
|
16°
|
14°
|
| Feels like temperature (°C) |
11°
|
11°
|
12°
|
13°
|
15°
|
15°
|
14°
|
13°
|
| Wind direction and speed (mph) |
WSW
5
|
WSW
4
|
WSW
4
|
WSW
6
|
WSW
9
|
WSW
10
|
WSW
9
|
WSW
6
|
| Wind gust (mph) |
12
|
10
|
14
|
21
|
23
|
22
|
18
|
13
|
| Visibility (description) |
M
|
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
| Humidity |
88%
|
90%
|
86%
|
71%
|
53%
|
47%
|
57%
|
69%
|
| UV | - | - | 2 | 8 | 6 | 2 | - | - |
Monday (27 April 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
13°
|
12°
|
13°
|
16°
|
19°
|
20°
|
17°
|
14°
|
| Feels like temperature (°C) |
13°
|
12°
|
13°
|
16°
|
17°
|
17°
|
15°
|
13°
|
| Wind direction and speed (mph) |
WSW
4
|
WSW
2
|
S
2
|
SW
4
|
WSW
7
|
WSW
9
|
WSW
7
|
SW
4
|
| Wind gust (mph) |
8
|
7
|
8
|
14
|
22
|
21
|
20
|
8
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
87%
|
84%
|
65%
|
43%
|
41%
|
46%
|
60%
|
| UV | - | - | 2 | 8 | 8 | 2 | - | - |
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