O'Neill Lake, CA 14 Day Weather
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O'Neill Lake, CA Weather Forecast


O'Neill Lake, CA Weather Forecast Dated: 1205 PM Fri Sep 25 2026
Expect a very warm period with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and an unsettled pattern will dominate.
Friday, September 25, 2026
Mid-Morning
74°F 23°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
74°F 23°C
Sunny
Warm and summery near 83°F 28°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the WSW to the WNW at 5 mph 7 km/h.
Saturday, September 26, 2026
Mid-Morning
80°F 26°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
76°F 25°C
Overcast
Balmy with temperatures reaching 86°F 30°C, sunny through the afternoon, turning overcast this evening, with increasing humidity and steady pressure. Winds switching from the NNW to the WSW at 4 mph 6 km/h.
Sunday, September 27, 2026
Mid-Morning
77°F 25°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
71°F 22°C
Overcast
Enjoyable around 79°F 26°C, overcast throughout the day, with increasing humidity and steady pressure. Winds WSW at 10 mph 17 km/h.
Monday, September 28, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
68°F 20°C
Sunny
Mild temperatures up to 77°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the SSE to the S at 4 mph 7 km/h.
Tuesday, September 29, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
77°F 25°C
Sunny
Very hot with a high of 90°F 32°C, sunny throughout the day, with increasing humidity and steady pressure. Winds shifting from the NNE to the ESE at 5 mph 7 km/h.
Wednesday, September 30, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
89°F 31°C
Sunny
Early-Evening
76°F 25°C
Overcast
Warm and summery near 89°F 31°C, sunny through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure. Winds turning from the SE to the WSW at 4 mph 6 km/h.
Thursday, October 1, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
82°F 28°C
Cloudy
Early-Evening
71°F 22°C
Partly Cloudy
Balmy with temperatures reaching 82°F 28°C, cloudy throughout the day, with increasing humidity and steady pressure. Winds switching from the S to the WSW at 3 mph 6 km/h.
Friday, October 2, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
65°F 19°C
Sunny
Enjoyable around 74°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the S to the SSE at 7 mph 11 km/h.
Saturday, October 3, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mild temperatures up to 73°F 23°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the SE to the S at 5 mph 8 km/h.
Sunday, October 4, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
64°F 18°C
Partly Cloudy
Mild with a high of 70°F 21°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SE to the S at 7 mph 11 km/h.
Monday, October 5, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
70°F 21°C
Sunny
Warm and summery near 80°F 27°C, sunny throughout the day, with increasing humidity and steady pressure. Winds turning from the WNW to the S at 4 mph 6 km/h.
Tuesday, October 6, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
74°F 23°C
Sunny
Balmy with temperatures reaching 88°F 31°C, sunny throughout the day, with increasing humidity and steady pressure. Winds switching from the WNW to the WSW at 4 mph 6 km/h.
Wednesday, October 7, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
88°F 31°C
Light Showers
Early-Evening
78°F 26°C
Sunny
Quite warm around 88°F 31°C, drier morning followed by scattered afternoon showers, with increasing humidity and steady pressure. Winds moving from the E to the WNW at 3 mph 5 km/h.
Thursday, October 8, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
74°F 23°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the WSW to the SSW at 4 mph 7 km/h.
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