Fallbrook, California Weather Summary
October,
2026
High Temperature:
103.5°F
(39.7°C)
at 3:13PM Oct 2
88.4°F
(31.3°C)
80°F
(27°C)
Low Temperature:
55.0°F
(12.8°C)
at 7:06AM Oct 13
65.8°F
(18.8°C)
59°F
(15°C)
Month Average:
75.2°F
(24.0°C)
for 22 days
Normal Average:
67°F
(20°C)
Precipitation:
3.30"
(83.8 mm)
Date
High
Low
Average
Precipitation
October 1
88.6°F(31.4°C)
59.8°F(15.4°C)
72.2°F(22.4°C)
0.00"(0.0 mm)
October 2
103.5°F(39.7°C)
66.4°F(19.1°C)
84.2°F(29.0°C)
0.00"(0.0 mm)
October 3
103.3°F(39.6°C)
77.7°F(25.4°C)
88.9°F(31.6°C)
0.00"(0.0 mm)
October 4
102.6°F(39.2°C)
77.7°F(25.4°C)
89.2°F(31.8°C)
0.00"(0.0 mm)
October 5
103.5°F(39.7°C)
77.9°F(25.5°C)
89.0°F(31.7°C)
0.00"(0.0 mm)
October 6
102.9°F(39.4°C)
77.2°F(25.1°C)
86.8°F(30.4°C)
0.00"(0.0 mm)
October 7
100.4°F(38.0°C)
69.4°F(20.8°C)
81.4°F(27.4°C)
0.00"(0.0 mm)
October 8
93.7°F(34.3°C)
68.6°F(20.3°C)
77.9°F(25.5°C)
0.00"(0.0 mm)
October 9
89.7°F(32.1°C)
64.0°F(17.8°C)
69.1°F(20.6°C)
0.00"(0.0 mm)
October 10
86.5°F(30.3°C)
64.3°F(17.9°C)
69.9°F(21.1°C)
0.62"(15.7 mm)
October 11
70.1°F(21.2°C)
61.6°F(16.4°C)
65.0°F(18.3°C)
1.82"(46.2 mm)
October 12
68.3°F(20.1°C)
56.6°F(13.7°C)
62.3°F(16.8°C)
0.22"(5.5 mm)
October 13
72.7°F(22.6°C)
55.0°F(12.8°C)
63.0°F(17.2°C)
0.01"(0.2 mm)
October 14
80.5°F(26.9°C)
56.8°F(13.8°C)
67.1°F(19.5°C)
0.00"(0.0 mm)
October 15
89.7°F(32.0°C)
61.9°F(16.6°C)
76.4°F(24.7°C)
0.00"(0.0 mm)
October 16
93.9°F(34.4°C)
77.3°F(25.2°C)
84.4°F(29.1°C)
0.00"(0.0 mm)
October 17
90.4°F(32.4°C)
69.5°F(20.8°C)
80.7°F(27.1°C)
0.00"(0.0 mm)
October 18
87.0°F(30.5°C)
65.6°F(18.7°C)
73.3°F(22.9°C)
0.00"(0.0 mm)
October 19
85.8°F(29.9°C)
64.1°F(17.8°C)
71.6°F(22.0°C)
0.00"(0.0 mm)
October 20
80.5°F(26.9°C)
57.7°F(14.3°C)
68.7°F(20.4°C)
0.00"(0.0 mm)
October 21
80.1°F(26.7°C)
60.4°F(15.8°C)
69.5°F(20.8°C)
0.25"(6.3 mm)
October 22
71.7°F(22.0°C)
58.7°F(14.8°C)
64.8°F(18.2°C)
0.31"(7.8 mm)
October 23
70.0°F(21.1°C)
58.7°F(14.8°C)
N/A
0.07"(1.7 mm)