Dailymet

Weather Ontario: Current forecast

Ontario / California (CA) / United States

25.8 °C
Feels like 23.1 °C
Min 24 °C / Max 32 °C
Weather Ontario: Clear, 26 °C Clear
6.8 km/h NE
Wind
9.1 km/h NE
Gusts
1016 hPa
Pressure
0 mm
Precipitation
24 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed Low
06:57 / 18:14
Sunrise / Sunset
13:50 / 23:46
Moonrise / Moonset
First Quarter (47 %)
Moon phase

Updated: Oct 17, 2026, 9:10 CEST Oct 17, 2026, 0:10 PDT

Today's Summary

If you head out in Ontario today, you'll see a clear sky. The thermometer currently shows 25.8°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 23.5°C and 31.8°C.

Hourly forecast – Ontario, today

Oct 17, 01:00
25 °C
Cloudy
Ontario Oct 17, 01:00: Cloudy, 25 °C
Oct 17, 02:00
25 °C
Clear
Ontario Oct 17, 02:00: Clear, 25 °C
Oct 17, 03:00
24 °C
Overcast
Ontario Oct 17, 03:00: Overcast, 24 °C
Oct 17, 04:00
24 °C
Partly cloudy
Ontario Oct 17, 04:00: Partly cloudy, 24 °C
Oct 17, 05:00
24 °C
Partly cloudy
Ontario Oct 17, 05:00: Partly cloudy, 24 °C
Oct 17, 06:00
24 °C
Cloudy
Ontario Oct 17, 06:00: Cloudy, 24 °C
Oct 17, 07:00
26 °C
Sunny
Ontario Oct 17, 07:00: Sunny, 26 °C
Oct 17, 08:00
28 °C
Sunny
Ontario Oct 17, 08:00: Sunny, 28 °C
Oct 17, 09:00
29 °C
Sunny
Ontario Oct 17, 09:00: Sunny, 29 °C
Oct 17, 10:00
31 °C
Sunny
Ontario Oct 17, 10:00: Sunny, 31 °C
Oct 17, 11:00
31 °C
Overcast
Ontario Oct 17, 11:00: Overcast, 31 °C
Oct 17, 12:00
32 °C
Partly cloudy
Ontario Oct 17, 12:00: Partly cloudy, 32 °C
Oct 17, 13:00
32 °C
Sunny
Ontario Oct 17, 13:00: Sunny, 32 °C
Oct 17, 14:00
31 °C
Cloudy
Ontario Oct 17, 14:00: Cloudy, 31 °C
Oct 17, 15:00
31 °C
Partly cloudy
Ontario Oct 17, 15:00: Partly cloudy, 31 °C
Oct 17, 16:00
29 °C
Partly cloudy
Ontario Oct 17, 16:00: Partly cloudy, 29 °C
Oct 17, 17:00
28 °C
Clear
Ontario Oct 17, 17:00: Clear, 28 °C
Oct 17, 18:00
27 °C
Clear
Ontario Oct 17, 18:00: Clear, 27 °C
Oct 17, 19:00
26 °C
Cloudy
Ontario Oct 17, 19:00: Cloudy, 26 °C
Oct 17, 20:00
26 °C
Cloudy
Ontario Oct 17, 20:00: Cloudy, 26 °C
Oct 17, 21:00
25 °C
Cloudy
Ontario Oct 17, 21:00: Cloudy, 25 °C
Oct 17, 22:00
25 °C
Partly cloudy
Ontario Oct 17, 22:00: Partly cloudy, 25 °C
Oct 17, 23:00
24 °C
Clear
Ontario Oct 17, 23:00: Clear, 24 °C
Oct 18, 00:00
24 °C
Clear
Ontario Oct 18, 00:00: Clear, 24 °C
Time
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
Ontario Oct 17, 01:00: Cloudy
Ontario Oct 17, 02:00: Clear
Ontario Oct 17, 03:00: Overcast
Ontario Oct 17, 04:00: Partly cloudy
Ontario Oct 17, 05:00: Partly cloudy
Ontario Oct 17, 06:00: Cloudy
Ontario Oct 17, 07:00: Sunny
Ontario Oct 17, 08:00: Sunny
Ontario Oct 17, 09:00: Sunny
Ontario Oct 17, 10:00: Sunny
Ontario Oct 17, 11:00: Overcast
Ontario Oct 17, 12:00: Partly cloudy
Ontario Oct 17, 13:00: Sunny
Ontario Oct 17, 14:00: Cloudy
Ontario Oct 17, 15:00: Partly cloudy
Ontario Oct 17, 16:00: Partly cloudy
Ontario Oct 17, 17:00: Clear
Ontario Oct 17, 18:00: Clear
Ontario Oct 17, 19:00: Cloudy
Ontario Oct 17, 20:00: Cloudy
Ontario Oct 17, 21:00: Cloudy
Ontario Oct 17, 22:00: Partly cloudy
Ontario Oct 17, 23:00: Clear
Ontario Oct 18, 00:00: Clear
Temperature (°C)
Chance of rain (%)
6
1
9
4
2
7
1
0
0
0
8
2
0
5
3
2
1
1
6
6
5
3
1
1
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (km/h)
NE
7
NE
7
E
8
ENE
10
ENE
10
ENE
10
ENE
12
E
13
ESE
13
SE
9
S
7
SW
6
W
6
WSW
9
SW
8
S
10
S
9
SSW
6
SSW
3
SW
0
SE
3
SE
2
ESE
1
E
4
Pressure (hPa)
1016
1015
1016
1016
1016
1016
1017
1016
1016
1015
1014
1013
1013
1013
1013
1013
1014
1015
1015
1015
1015
1015
1015
1015
Humidity (%)
25 %
25 %
25 %
25 %
25 %
23 %
19 %
16 %
14 %
13 %
12 %
12 %
12 %
12 %
14 %
15 %
18 %
19 %
20 %
21 %
21 %
22 %
23 %
23 %
Cloud cover (%)
79 %
11 %
100 %
55 %
36 %
83 %
18 %
4 %
3 %
5 %
90 %
28 %
5 %
73 %
41 %
37 %
5 %
14 %
80 %
73 %
63 %
45 %
5 %
5 %

14-day weather forecast – Ontario

14-day trend for Ontario: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 15.1°C at night, with daytime highs up to 31.8°C.

Date
Oct 17
Oct 18
Oct 19
Oct 20
Oct 21
Oct 22
Oct 23
Oct 24
Oct 25
Oct 26
Oct 27
Oct 28
Oct 29
Oct 30
Ontario October 17, 2026: Sunny
Ontario October 18, 2026: Sunny
Ontario October 19, 2026: Sunny
Ontario October 20, 2026: Sunny
Ontario October 21, 2026: Light rain shower
Ontario October 22, 2026: Patchy rain possible
Ontario October 23, 2026: Sunny
Ontario October 24, 2026: Sunny
Ontario October 25, 2026: Overcast
Ontario October 26, 2026: Sunny
Ontario October 27, 2026: Sunny
Ontario October 28, 2026: Sunny
Ontario October 29, 2026: Overcast
Ontario October 30, 2026: Overcast
Temperature (°C)
Chance of rain (%)
2
1
1
3
81
61
17
1
7
3
6
7
12
42
Precipitation
—
—
—
—
19.1 mm
2.2 mm
0.1 mm
—
—
0 mm
0 mm
—
—
0.9 mm
Wind max (km/h)
13
18
17
16
12
13
19
13
9
20
18
15
6
11
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
October 17, 2026 Ontario October 17, 2026: Sunny Sunny 24 °C 32 °C 06:57 18:14 13:50 23:46 First Quarter (47 %)
October 18, 2026 Ontario October 18, 2026: Sunny Sunny 22 °C 30 °C 06:58 18:13 14:26 Does not set today First Quarter (58 %)
October 19, 2026 Ontario October 19, 2026: Sunny Sunny 21 °C 28 °C 06:59 18:12 14:57 00:45 First Quarter (68 %)
October 20, 2026 Ontario October 20, 2026: Sunny Sunny 18 °C 25 °C 06:59 18:10 15:25 01:43 Waxing Moon (77 %)
October 21, 2026 Ontario October 21, 2026: Light rain shower Light rain shower 16 °C 19 °C 07:00 18:09 15:50 02:40 Waxing Moon (86 %)
October 22, 2026 Ontario October 22, 2026: Patchy rain possible Patchy rain possible 15 °C 20 °C 07:01 18:08 16:15 03:36 Waxing Moon (92 %)
October 23, 2026 Ontario October 23, 2026: Sunny Sunny 15 °C 21 °C 07:02 18:07 16:39 04:34 Full Moon (97 %)
October 24, 2026 Ontario October 24, 2026: Sunny Sunny 15 °C 24 °C 07:03 18:06 17:06 05:32 Full Moon (100 %)
October 25, 2026 Ontario October 25, 2026: Overcast Overcast 19 °C 26 °C 07:04 18:05 17:35 06:33 Full Moon (100 %)
October 26, 2026 Ontario October 26, 2026: Sunny Sunny 16 °C 24 °C 07:04 18:04 18:09 07:37 Full Moon (98 %)
October 27, 2026 Ontario October 27, 2026: Sunny Sunny 15 °C 21 °C 07:05 18:03 18:49 08:44 Waning Moon (94 %)
October 28, 2026 Ontario October 28, 2026: Sunny Sunny 15 °C 21 °C 07:06 18:01 19:38 09:52 Waning Moon (88 %)
October 29, 2026 Ontario October 29, 2026: Overcast Overcast 17 °C 20 °C 07:07 18:00 20:35 10:57 Waning Moon (80 %)
October 30, 2026 Ontario October 30, 2026: Overcast Overcast 16 °C 20 °C 07:08 17:59 21:41 11:57 Waning Moon (71 %)
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