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Cajon Junction, CA Weather Forecast
Cajon Junction, CA Weather Forecast Dated: 631 AM Tue Sep 08 2026
Expect a very warm period with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Tuesday, September 8, 2026
Mid-Morning
75°F 24°C
Cloudy
Mid-Afternoon
91°F 33°C
Drizzle
Early-Evening
86°F 30°C
Overcast
Very hot with temperatures reaching 91°F 33°C, drier morning followed by scattered afternoon showers, with lower humidity and steady pressure. Winds turning from the NNE to the WSW at 8 mph 13 km/h.
Wednesday, September 9, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
91°F 33°C
Scattered Showers
Hot and sweltering around 94°F 35°C, scattered downpours possible, with steady humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
86°F 30°C
Cloudy
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
89°F 32°C
Sunny
Sizzling hot with 96°F 36°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling.
Friday, September 11, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
84°F 29°C
Sunny
Hot temperatures near 92°F 33°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SW to the SSW at 7 mph 11 km/h.
Saturday, September 12, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
77°F 25°C
Sunny
Very warm with a high of 86°F 30°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the SSW to the SW at 10 mph 16 km/h.
Sunday, September 13, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
78°F 26°C
Sunny
Warm and summery near 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
81°F 27°C
Sunny
Balmy with temperatures reaching 87°F 31°C, sunny throughout the day, with steady humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
79°F 26°C
Sunny
Quite warm around 87°F 31°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the SSE to the S at 7 mph 11 km/h.
Wednesday, September 16, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
80°F 27°C
Sunny
Warm temperatures up to 87°F 31°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the ESE to the S at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
77°F 25°C
Sunny
Very warm with a high of 86°F 30°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SSE to the SSW at 9 mph 14 km/h.
Friday, September 18, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
75°F 24°C
Sunny
Warm and summery near 85°F 29°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SE to the SSW at 9 mph 15 km/h.
Saturday, September 19, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
83°F 29°C
Partly Cloudy
Early-Evening
75°F 24°C
Sunny
Balmy with temperatures reaching 83°F 29°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds building from S at 2 mph 4 km/h to SSW at 10 mph 16 km/h.
Sunday, September 20, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Quite warm around 83°F 28°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the W to the SSW at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
74°F 24°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure.
Cajon Junction, CA Weather Radar Map
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