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Weather Ontario: Current forecast

Ontario / California (CA) / United States

81 °F
Feels like 79.5 °F
Min 55 °F / Max 94 °F
Weather Ontario: Partly cloudy, 81 °F Partly cloudy
9.4 mph WSW
Wind
10.8 mph WSW
Gusts
1015 hPa
Pressure
0 mm
Precipitation
42 %
Humidity
9.5
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass High
Mugwort None
Ragweed None
05:39 / 19:57
Sunrise / Sunset
23:17 / 08:29
Moonrise / Moonset
Waning Moon (83 %)
Moon phase

Updated: Jun 3, 2026, 23:09 CEST Jun 3, 2026, 14:09 PDT

Today's Summary

In Ontario the weather today is partly cloudy. The thermometer currently shows 27.2°C. Wear light, breathable clothes and drink plenty of fluids. During the day temperatures will range between 12.5°C and 34.6°C.

Hourly forecast – Ontario, today

Jun 3, 14:00
81 °F
Partly cloudy
Ontario Jun 3, 14:00: Partly cloudy, 81 °F
Jun 3, 15:00
93 °F
Sunny
Ontario Jun 3, 15:00: Sunny, 93 °F
Jun 3, 16:00
92 °F
Sunny
Ontario Jun 3, 16:00: Sunny, 92 °F
Jun 3, 17:00
89 °F
Sunny
Ontario Jun 3, 17:00: Sunny, 89 °F
Jun 3, 18:00
85 °F
Sunny
Ontario Jun 3, 18:00: Sunny, 85 °F
Jun 3, 19:00
79 °F
Sunny
Ontario Jun 3, 19:00: Sunny, 79 °F
Jun 3, 20:00
74 °F
Clear
Ontario Jun 3, 20:00: Clear, 74 °F
Jun 3, 21:00
73 °F
Clear
Ontario Jun 3, 21:00: Clear, 73 °F
Jun 3, 22:00
71 °F
Clear
Ontario Jun 3, 22:00: Clear, 71 °F
Jun 3, 23:00
70 °F
Clear
Ontario Jun 3, 23:00: Clear, 70 °F
Jun 4, 00:00
69 °F
Clear
Ontario Jun 4, 00:00: Clear, 69 °F
Jun 4, 01:00
68 °F
Clear
Ontario Jun 4, 01:00: Clear, 68 °F
Jun 4, 02:00
67 °F
Clear
Ontario Jun 4, 02:00: Clear, 67 °F
Jun 4, 03:00
65 °F
Clear
Ontario Jun 4, 03:00: Clear, 65 °F
Jun 4, 04:00
65 °F
Clear
Ontario Jun 4, 04:00: Clear, 65 °F
Jun 4, 05:00
64 °F
Clear
Ontario Jun 4, 05:00: Clear, 64 °F
Jun 4, 06:00
67 °F
Sunny
Ontario Jun 4, 06:00: Sunny, 67 °F
Jun 4, 07:00
70 °F
Sunny
Ontario Jun 4, 07:00: Sunny, 70 °F
Jun 4, 08:00
74 °F
Sunny
Ontario Jun 4, 08:00: Sunny, 74 °F
Jun 4, 09:00
77 °F
Sunny
Ontario Jun 4, 09:00: Sunny, 77 °F
Jun 4, 10:00
80 °F
Sunny
Ontario Jun 4, 10:00: Sunny, 80 °F
Jun 4, 11:00
83 °F
Sunny
Ontario Jun 4, 11:00: Sunny, 83 °F
Jun 4, 12:00
86 °F
Sunny
Ontario Jun 4, 12:00: Sunny, 86 °F
Jun 4, 13:00
88 °F
Sunny
Ontario Jun 4, 13:00: Sunny, 88 °F
Time
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
Ontario Jun 3, 14:00: Partly cloudy
Ontario Jun 3, 15:00: Sunny
Ontario Jun 3, 16:00: Sunny
Ontario Jun 3, 17:00: Sunny
Ontario Jun 3, 18:00: Sunny
Ontario Jun 3, 19:00: Sunny
Ontario Jun 3, 20:00: Clear
Ontario Jun 3, 21:00: Clear
Ontario Jun 3, 22:00: Clear
Ontario Jun 3, 23:00: Clear
Ontario Jun 4, 00:00: Clear
Ontario Jun 4, 01:00: Clear
Ontario Jun 4, 02:00: Clear
Ontario Jun 4, 03:00: Clear
Ontario Jun 4, 04:00: Clear
Ontario Jun 4, 05:00: Clear
Ontario Jun 4, 06:00: Sunny
Ontario Jun 4, 07:00: Sunny
Ontario Jun 4, 08:00: Sunny
Ontario Jun 4, 09:00: Sunny
Ontario Jun 4, 10:00: Sunny
Ontario Jun 4, 11:00: Sunny
Ontario Jun 4, 12:00: Sunny
Ontario Jun 4, 13:00: Sunny
Temperature (°F)
Chance of rain (%)
0
0
0
0
0
0
1
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (mph)
WSW
9
WSW
10
WSW
10
WSW
10
WSW
9
WSW
7
WSW
6
WSW
4
WSW
3
WSW
2
W
2
W
3
WSW
2
W
2
W
2
W
1
W
1
WSW
1
SW
3
SW
4
SW
4
SW
6
SW
7
WSW
9
Pressure (hPa)
1015
1012
1011
1011
1011
1011
1012
1012
1013
1012
1012
1011
1011
1011
1010
1010
1011
1011
1011
1011
1010
1010
1010
1010
Humidity (%)
42 %
30 %
31 %
31 %
35 %
43 %
55 %
66 %
48 %
48 %
49 %
49 %
50 %
52 %
53 %
54 %
53 %
50 %
44 %
39 %
34 %
29 %
26 %
24 %
Cloud cover (%)
75 %
0 %
0 %
0 %
1 %
1 %
1 %
1 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %

14-day weather forecast – Ontario

14-day trend for Ontario: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 12.5°C at night, with daytime highs up to 34.6°C.

Date
Jun 3
Jun 4
Jun 5
Jun 6
Jun 7
Jun 8
Jun 9
Jun 10
Jun 11
Jun 12
Jun 13
Jun 14
Jun 15
Jun 16
Ontario June 3, 2026: Sunny
Ontario June 4, 2026: Sunny
Ontario June 5, 2026: Sunny
Ontario June 6, 2026: Overcast
Ontario June 7, 2026: Sunny
Ontario June 8, 2026: Sunny
Ontario June 9, 2026: Sunny
Ontario June 10, 2026: Sunny
Ontario June 11, 2026: Sunny
Ontario June 12, 2026: Sunny
Ontario June 13, 2026: Sunny
Ontario June 14, 2026: Sunny
Ontario June 15, 2026: Sunny
Ontario June 16, 2026: Sunny
Temperature (°F)
Chance of rain (%)
1
0
0
2
0
0
1
1
0
0
0
0
0
1
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind max (mph)
10
11
12
11
13
11
13
11
11
10
11
10
11
11
Date Weather Min °F Max °F Sunrise Sunset Moonrise Moonset Moon phase
June 3, 2026 Ontario June 3, 2026: Sunny Sunny 55 °F 94 °F 05:39 19:57 23:17 08:29 Waning Moon (83 %)
June 4, 2026 Ontario June 4, 2026: Sunny Sunny 64 °F 89 °F 05:39 19:58 23:50 09:28 Waning Moon (74 %)
June 5, 2026 Ontario June 5, 2026: Sunny Sunny 64 °F 90 °F 05:39 19:58 Does not rise today 10:26 Last Quarter (64 %)
June 6, 2026 Ontario June 6, 2026: Overcast Overcast 65 °F 82 °F 05:39 19:59 00:18 11:23 Last Quarter (54 %)
June 7, 2026 Ontario June 7, 2026: Sunny Sunny 60 °F 80 °F 05:38 20:00 00:44 12:20 Last Quarter (43 %)
June 8, 2026 Ontario June 8, 2026: Sunny Sunny 59 °F 80 °F 05:38 20:00 01:08 13:17 Last Quarter (33 %)
June 9, 2026 Ontario June 9, 2026: Sunny Sunny 61 °F 79 °F 05:38 20:01 01:33 14:16 Waning Crescent (24 %)
June 10, 2026 Ontario June 10, 2026: Sunny Sunny 60 °F 80 °F 05:38 20:01 01:59 15:18 Waning Crescent (15 %)
June 11, 2026 Ontario June 11, 2026: Sunny Sunny 62 °F 87 °F 05:38 20:01 02:28 16:23 Waning Crescent (8 %)
June 12, 2026 Ontario June 12, 2026: Sunny Sunny 64 °F 86 °F 05:38 20:02 03:01 17:33 New Moon (3 %)
June 13, 2026 Ontario June 13, 2026: Sunny Sunny 64 °F 89 °F 05:38 20:02 03:42 18:45 New Moon (1 %)
June 14, 2026 Ontario June 14, 2026: Sunny Sunny 65 °F 88 °F 05:38 20:03 04:33 19:56 New Moon (0 %)
June 15, 2026 Ontario June 15, 2026: Sunny Sunny 64 °F 86 °F 05:38 20:03 05:35 21:01 New Moon (2 %)
June 16, 2026 Ontario June 16, 2026: Sunny Sunny 61 °F 84 °F 05:38 20:03 06:46 21:57 Waxing Crescent (6 %)
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