San Jacinto, California Weather Summary
October,
2026
High Temperature:
100.8°F
(38.2°C)
at 2:34PM Oct 7
82.5°F
(28.1°C)
84°F
(29°C)
Low Temperature:
48.6°F
(9.2°C)
at 6:58AM Oct 14
60.4°F
(15.8°C)
55°F
(13°C)
Month Average:
71.1°F
(21.7°C)
for 18 days
Normal Average:
68°F
(20°C)
Precipitation:
2.80"
(71.0 mm)
Date
High
Low
Average
Precipitation
October 1
N/A
N/A
N/A
N/A
October 2
N/A
N/A
N/A
N/A
October 3
N/A
N/A
N/A
N/A
October 4
N/A
N/A
N/A
N/A
October 5
100.6°F(38.1°C)
82.0°F(27.8°C)
N/A
0.00"(0.0 mm)
October 6
100.0°F(37.8°C)
71.1°F(21.7°C)
86.0°F(30.0°C)
0.00"(0.0 mm)
October 7
100.8°F(38.2°C)
69.6°F(20.9°C)
84.8°F(29.3°C)
0.00"(0.0 mm)
October 8
97.2°F(36.2°C)
66.9°F(19.4°C)
82.3°F(28.0°C)
0.00"(0.0 mm)
October 9
94.8°F(34.9°C)
65.3°F(18.5°C)
79.9°F(26.6°C)
0.00"(0.0 mm)
October 10
86.7°F(30.4°C)
63.9°F(17.7°C)
71.0°F(21.7°C)
0.35"(8.8 mm)
October 11
64.8°F(18.2°C)
59.2°F(15.1°C)
61.8°F(16.5°C)
1.48"(37.5 mm)
October 12
63.1°F(17.3°C)
55.8°F(13.2°C)
58.8°F(14.9°C)
0.25"(6.3 mm)
October 13
72.9°F(22.7°C)
50.7°F(10.4°C)
60.8°F(16.0°C)
0.00"(0.0 mm)
October 14
80.2°F(26.8°C)
48.6°F(9.2°C)
64.2°F(17.9°C)
0.00"(0.0 mm)
October 15
84.0°F(28.9°C)
51.4°F(10.8°C)
70.1°F(21.2°C)
0.00"(0.0 mm)
October 16
86.7°F(30.4°C)
76.6°F(24.8°C)
81.8°F(27.7°C)
0.00"(0.0 mm)
October 17
82.4°F(28.0°C)
65.8°F(18.8°C)
76.8°F(24.9°C)
0.00"(0.0 mm)
October 18
85.6°F(29.8°C)
56.5°F(13.6°C)
71.0°F(21.6°C)
0.00"(0.0 mm)
October 19
87.3°F(30.7°C)
58.3°F(14.6°C)
71.6°F(22.0°C)
0.00"(0.0 mm)
October 20
83.8°F(28.8°C)
56.5°F(13.6°C)
69.8°F(21.0°C)
0.00"(0.0 mm)
October 21
79.7°F(26.5°C)
57.6°F(14.2°C)
65.8°F(18.8°C)
0.50"(12.7 mm)
October 22
67.8°F(19.9°C)
57.7°F(14.3°C)
62.6°F(17.0°C)
0.21"(5.2 mm)
October 23
67.8°F(19.9°C)
55.9°F(13.3°C)
61.1°F(16.2°C)
0.01"(0.3 mm)
October 24
69.4°F(20.8°C)
51.3°F(10.7°C)
N/A
0.00"(0.0 mm)