The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Ontario, CA
Content continues below
January
Average Temperature
High
20°
Feels 20
Low
7°
Feels 6
Average Precipitation
4 Days
Rain amount
33.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
22°
12
22°
13
23°
14
24°
15
25°
16
25°
17
23°
18
22°
19
22°
20
21°
21
21°
22
18°
23
16°
24
17°
25
18°
26
27
28
29
30
31
Forecast
Sunday, January 11, 2026
Day
22°
Feels 22
Wind
9 km/h SE
Gust
14 km/h
Humidity
25%
P.O.P
10%
Night
9°
Feels 8
Wind
8 km/h NE
Gust
13 km/h
Humidity
46%
P.O.P
0%
Historical Averages
Jan 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.