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Los Alamos, CA Weather Forecast
Los Alamos, CA Weather Forecast Dated: 855 PM Wed Sep 16 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 16, 2026
Mid-Morning
65°F 18°C
Cloudy
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
64°F 18°C
Partly Cloudy
Pleasant near 70°F 21°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
63°F 17°C
Sunny
Comfortable with temperatures reaching 76°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds picking up from N at 4 mph 6 km/h to NNW at 12 mph 19 km/h.
Friday, September 18, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
66°F 19°C
Sunny
Enjoyable around 79°F 26°C, sunny throughout the day, with increasing humidity and steady pressure. Winds switching from the NNW to the N at 10 mph 16 km/h.
Saturday, September 19, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
69°F 21°C
Overcast
Warm temperatures up to 80°F 27°C, sunny through the afternoon, turning overcast this evening, with increasing humidity and steady pressure. Winds increasing from the NNW at 1 mph 1 km/h to NNW at 9 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mild with a high of 76°F 25°C, sunny throughout the day, with increasing humidity and steady pressure. Winds out of the SW at 4 mph 7 km/h.
Monday, September 21, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
63°F 17°C
Sunny
Pleasant near 74°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the WNW at 11 mph 17 km/h.
Tuesday, September 22, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
69°F 21°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the ENE to the N at 8 mph 13 km/h.
Wednesday, September 23, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
78°F 26°C
Scattered Showers
Early-Evening
76°F 25°C
Sunny
Enjoyable around 78°F 26°C, scattered downpours possible, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
76°F 25°C
Cloudy
Early-Evening
73°F 23°C
Cloudy
Mild temperatures up to 76°F 25°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
69°F 20°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild with a high of 73°F 23°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
70°F 21°C
Sunny
Pleasant near 76°F 24°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
70°F 21°C
Scattered Showers
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
67°F 20°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, locally heavy downpours at times, with increasing humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
65°F 18°C
Overcast
Enjoyable around 76°F 24°C, overcast throughout the day, with increasing humidity and steady pressure. Winds switching from the NNW to the SW at 10 mph 16 km/h.
Tuesday, September 29, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
76°F 24°C
Overcast
Mild temperatures up to 78°F 26°C, overcast throughout the day, with steady humidity and steady pressure.
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