Currently 54°F in Simi Valley, California, USA
54°F
54°F / 41°F
1 mph SW
0.00"
Thursday, January 8, 2026 10:36 AM PST

Simi Valley, California Climate Summary
Typical December Day

Normal High:    65.8°F (18.8°C)
Normal Low:    47.0°F (8.4°C)
Average:    55.9°F (13.3°C)

Hour    Temperature    Wind Speed    Humidity
12:00 AM    52°F (11°C)    4 mph    61%
1:00 AM    52°F (11°C)    4 mph    61%
2:00 AM    51°F (11°C)    4 mph    61%
3:00 AM    51°F (10°C)    4 mph    61%
4:00 AM    51°F (10°C)    4 mph    62%
5:00 AM    50°F (10°C)    4 mph    62%
6:00 AM    50°F (10°C)    4 mph    62%
7:00 AM    50°F (10°C)    4 mph    62%
8:00 AM    51°F (11°C)    4 mph    61%
9:00 AM    55°F (13°C)    5 mph    58%
10:00 AM    59°F (15°C)    5 mph    53%
11:00 AM    62°F (17°C)    5 mph    48%
12:00 PM    64°F (18°C)    6 mph    45%
1:00 PM    65°F (18°C)    6 mph    43%
2:00 PM    65°F (18°C)    6 mph    43%
3:00 PM    64°F (18°C)    6 mph    45%
4:00 PM    63°F (17°C)    5 mph    48%
5:00 PM    60°F (15°C)    4 mph    53%
6:00 PM    58°F (14°C)    4 mph    56%
7:00 PM    56°F (13°C)    4 mph    58%
8:00 PM    54°F (12°C)    4 mph    59%
9:00 PM    54°F (12°C)    4 mph    60%
10:00 PM    53°F (12°C)    4 mph    60%
11:00 PM    52°F (11°C)    4 mph    61%
 

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