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Weather Ontario: Current forecast

Ontario / California (CA) / United States

12.8 °C
Feels like 12.8 °C
Min 12 °C / Max 25 °C
Weather Ontario: Mist, 13 °C Mist
5.8 km/h NNW
Wind
8.2 km/h NNW
Gusts
1012 hPa
Pressure
0 mm
Precipitation
89 %
Humidity
3
UV index

Pollen (today)

Hazel None
Alder High
Birch None
Oak Low
Grass None
Mugwort None
Ragweed None
06:14 / 17:51
Sunrise / Sunset
20:23 / 07:13
Moonrise / Moonset
Waning Moon (97 %)
Moon phase

Updated: Mar 5, 2026, 16:14 CET Mar 5, 2026, 7:14 PST

Today's Summary

If you head out in Ontario today, you'll see a mist sky. The thermometer currently shows 12.8°C. Don't forget a jacket or jumper. During the day temperatures will range between 11.7°C and 24.9°C.

Hourly forecast – Ontario, today

Mar 5, 07:00
13 °C
Mist
Ontario Mar 5, 07:00: Mist, 13 °C
Mar 5, 08:00
13 °C
Mist
Ontario Mar 5, 08:00: Mist, 13 °C
Mar 5, 09:00
13 °C
Overcast
Ontario Mar 5, 09:00: Overcast, 13 °C
Mar 5, 10:00
15 °C
Cloudy
Ontario Mar 5, 10:00: Cloudy, 15 °C
Mar 5, 11:00
18 °C
Sunny
Ontario Mar 5, 11:00: Sunny, 18 °C
Mar 5, 12:00
20 °C
Sunny
Ontario Mar 5, 12:00: Sunny, 20 °C
Mar 5, 13:00
22 °C
Sunny
Ontario Mar 5, 13:00: Sunny, 22 °C
Mar 5, 14:00
22 °C
Sunny
Ontario Mar 5, 14:00: Sunny, 22 °C
Mar 5, 15:00
24 °C
Sunny
Ontario Mar 5, 15:00: Sunny, 24 °C
Mar 5, 16:00
23 °C
Sunny
Ontario Mar 5, 16:00: Sunny, 23 °C
Mar 5, 17:00
23 °C
Sunny
Ontario Mar 5, 17:00: Sunny, 23 °C
Mar 5, 18:00
21 °C
Clear
Ontario Mar 5, 18:00: Clear, 21 °C
Mar 5, 19:00
18 °C
Clear
Ontario Mar 5, 19:00: Clear, 18 °C
Mar 5, 20:00
16 °C
Clear
Ontario Mar 5, 20:00: Clear, 16 °C
Mar 5, 21:00
15 °C
Clear
Ontario Mar 5, 21:00: Clear, 15 °C
Mar 5, 22:00
14 °C
Clear
Ontario Mar 5, 22:00: Clear, 14 °C
Mar 5, 23:00
13 °C
Clear
Ontario Mar 5, 23:00: Clear, 13 °C
Mar 6, 00:00
12 °C
Clear
Ontario Mar 6, 00:00: Clear, 12 °C
Mar 6, 01:00
11 °C
Clear
Ontario Mar 6, 01:00: Clear, 11 °C
Mar 6, 02:00
11 °C
Clear
Ontario Mar 6, 02:00: Clear, 11 °C
Mar 6, 03:00
10 °C
Clear
Ontario Mar 6, 03:00: Clear, 10 °C
Mar 6, 04:00
10 °C
Clear
Ontario Mar 6, 04:00: Clear, 10 °C
Mar 6, 05:00
10 °C
Clear
Ontario Mar 6, 05:00: Clear, 10 °C
Mar 6, 06:00
9 °C
Clear
Ontario Mar 6, 06:00: Clear, 9 °C
Time
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
Ontario Mar 5, 07:00: Mist
Ontario Mar 5, 08:00: Mist
Ontario Mar 5, 09:00: Overcast
Ontario Mar 5, 10:00: Cloudy
Ontario Mar 5, 11:00: Sunny
Ontario Mar 5, 12:00: Sunny
Ontario Mar 5, 13:00: Sunny
Ontario Mar 5, 14:00: Sunny
Ontario Mar 5, 15:00: Sunny
Ontario Mar 5, 16:00: Sunny
Ontario Mar 5, 17:00: Sunny
Ontario Mar 5, 18:00: Clear
Ontario Mar 5, 19:00: Clear
Ontario Mar 5, 20:00: Clear
Ontario Mar 5, 21:00: Clear
Ontario Mar 5, 22:00: Clear
Ontario Mar 5, 23:00: Clear
Ontario Mar 6, 00:00: Clear
Ontario Mar 6, 01:00: Clear
Ontario Mar 6, 02:00: Clear
Ontario Mar 6, 03:00: Clear
Ontario Mar 6, 04:00: Clear
Ontario Mar 6, 05:00: Clear
Ontario Mar 6, 06:00: Clear
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (km/h)
NNW
6
N
6
N
7
NNE
12
NNE
16
NNE
19
NNE
17
NNE
17
NNE
17
NNE
17
NNE
16
NNE
14
NNE
12
NNE
9
NNE
9
NE
8
NE
7
NE
8
NE
8
NE
9
NE
9
NE
10
NE
11
NE
11
Pressure (hPa)
1012
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1014
1015
1015
1015
1015
1015
1015
1015
1016
1017
Humidity (%)
89 %
95 %
93 %
86 %
77 %
46 %
25 %
18 %
14 %
11 %
11 %
12 %
13 %
16 %
18 %
31 %
33 %
35 %
37 %
37 %
37 %
39 %
40 %
41 %
Cloud cover (%)
100 %
76 %
97 %
73 %
23 %
0 %
0 %
0 %
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: The second week looks noticeably warmer and more pleasant. Lows can drop to around 8.8°C at night, with daytime highs up to 34.9°C.

Date
Mar 5
Mar 6
Mar 7
Mar 8
Mar 9
Mar 10
Mar 11
Mar 12
Mar 13
Mar 14
Mar 15
Mar 16
Mar 17
Mar 18
Ontario March 5, 2026: Partly cloudy
Ontario March 6, 2026: Sunny
Ontario March 7, 2026: Sunny
Ontario March 8, 2026: Sunny
Ontario March 9, 2026: Sunny
Ontario March 10, 2026: Sunny
Ontario March 11, 2026: Sunny
Ontario March 12, 2026: Partly cloudy
Ontario March 13, 2026: Sunny
Ontario March 14, 2026: Sunny
Ontario March 15, 2026: Sunny
Ontario March 16, 2026: Sunny
Ontario March 17, 2026: Sunny
Ontario March 18, 2026: Sunny
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind max (km/h)
19
12
27
14
16
16
12
14
9
14
13
12
12
8
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
March 5, 2026 Ontario March 5, 2026: Partly cloudy Partly cloudy 12 °C 25 °C 06:14 17:51 20:23 07:13 Waning Moon (97 %)
March 6, 2026 Ontario March 6, 2026: Sunny Sunny 9 °C 22 °C 06:13 17:51 21:23 07:40 Waning Moon (93 %)
March 7, 2026 Ontario March 7, 2026: Sunny Sunny 9 °C 23 °C 06:11 17:52 22:23 08:07 Waning Moon (87 %)
March 8, 2026 Ontario March 8, 2026: Sunny Sunny 11 °C 26 °C 06:10 17:53 23:23 08:39 Waning Moon (80 %)
March 9, 2026 Ontario March 9, 2026: Sunny Sunny 14 °C 27 °C 07:09 18:54 00:23 10:15 Waning Moon (72 %)
March 10, 2026 Ontario March 10, 2026: Sunny Sunny 14 °C 22 °C 07:08 18:55 01:22 10:57 Waning Moon (63 %)
March 11, 2026 Ontario March 11, 2026: Sunny Sunny 12 °C 24 °C 07:06 18:55 02:18 11:45 Last Quarter (54 %)
March 12, 2026 Ontario March 12, 2026: Partly cloudy Partly cloudy 14 °C 25 °C 07:05 18:56 03:10 12:39 Waning Crescent (44 %)
March 13, 2026 Ontario March 13, 2026: Sunny Sunny 14 °C 26 °C 07:04 18:57 03:56 13:39 Waning Crescent (35 %)
March 14, 2026 Ontario March 14, 2026: Sunny Sunny 16 °C 29 °C 07:02 18:58 04:36 14:41 Waning Crescent (26 %)
March 15, 2026 Ontario March 15, 2026: Sunny Sunny 16 °C 27 °C 07:01 18:59 05:12 15:45 Waning Crescent (18 %)
March 16, 2026 Ontario March 16, 2026: Sunny Sunny 16 °C 29 °C 06:59 18:59 05:44 16:49 Waning Crescent (11 %)
March 17, 2026 Ontario March 17, 2026: Sunny Sunny 17 °C 31 °C 06:58 19:00 06:12 17:54 Waning Crescent (5 %)
March 18, 2026 Ontario March 18, 2026: Sunny Sunny 19 °C 35 °C 06:57 19:01 06:40 18:59 Waning Crescent (1 %)
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