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
Montclair, CA
Content continues below
January
Average Temperature
High
19°
Feels 19
Low
7°
Feels 5
Average Precipitation
4 Days
Rain amount
32.3mm
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
14°
9
15°
10
18°
11
20°
12
21°
13
22°
14
23°
15
23°
16
22°
17
18°
18
19°
19
21°
20
19°
21
17°
22
16°
23
24
25
26
27
28
29
30
31
Forecast
Thursday, January 8, 2026
Day
14°
Feels 14
Wind
4 km/h SW
Gust
7 km/h
Humidity
44%
P.O.P
10%
Night
5°
Feels 3
Wind
8 km/h NE
Gust
13 km/h
Humidity
60%
P.O.P
20%
Historical Averages
Jan 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.