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Los Alamos, NM Weather Forecast
Los Alamos, NM Weather Forecast Dated: 626 AM Fri Sep 18 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 18, 2026
Mid-Morning
62°F 16°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Light Showers
Early-Evening
70°F 21°C
Scattered Showers
Pleasant near 73°F 23°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds turning from the SSW to the WNW at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
65°F 19°C
Light Showers
Comfortable with temperatures reaching 78°F 26°C, mainly dry until evening showers arrive, with steady humidity and steady pressure. Winds building from E at 2 mph 4 km/h to SSW at 11 mph 17 km/h.
Sunday, September 20, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
79°F 26°C
Partly Cloudy
Early-Evening
71°F 22°C
Overcast
Enjoyable around 79°F 26°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds increasing from the ESE at 2 mph 3 km/h to NNW at 12 mph 19 km/h.
Monday, September 21, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
71°F 22°C
Cloudy
Mild temperatures up to 76°F 25°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the NE to the NNW at 6 mph 9 km/h.
Tuesday, September 22, 2026
Mid-Morning
63°F 17°C
Nearby Thunderstorms
Mid-Afternoon
65°F 18°C
Light Showers
Early-Evening
61°F 16°C
Scattered Showers
Refreshing around 65°F 18°C, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds shifting from the SSE to the S at 8 mph 12 km/h.
Wednesday, September 23, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
69°F 20°C
Overcast
Pleasant near 72°F 22°C, locally heavy downpours at times, with lower humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
62°F 17°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Light Showers
Early-Evening
55°F 13°C
Light Showers
Chilly near 57°F 14°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
56°F 14°C
Scattered Showers
Mid-Afternoon
67°F 20°C
Scattered Showers
Early-Evening
67°F 19°C
Partly Cloudy
Cool with a high near 67°F 20°C, scattered downpours possible, with lower humidity and barometric pressure falling. Winds turning from the SE to the WSW at 6 mph 10 km/h.
Saturday, September 26, 2026
Mid-Morning
63°F 17°C
Scattered Showers
Mid-Afternoon
71°F 22°C
Light Showers
Early-Evening
64°F 18°C
Nearby Thunderstorms
Mild temperatures up to 71°F 22°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds switching from the S to the WNW at 6 mph 9 km/h.
Sunday, September 27, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
70°F 21°C
Overcast
Mild with a high of 72°F 22°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the S to the W at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Monday, September 28, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
71°F 21°C
Sunny
Early-Evening
66°F 19°C
Sunny
Pleasant near 71°F 21°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the SW to the WNW at 11 mph 17 km/h.
Tuesday, September 29, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
59°F 15°C
Scattered Showers
Early-Evening
54°F 12°C
Heavy Rain
Cool with a high near 59°F 15°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds shifting from the NE to the NNE at 13 mph 22 km/h.
Wednesday, September 30, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Refreshing around 64°F 18°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SSW to the ENE at 6 mph 10 km/h.
Thursday, October 1, 2026
Mid-Morning
50°F 10°C
Scattered Showers
Mid-Afternoon
58°F 14°C
Scattered Showers
Early-Evening
54°F 13°C
Sunny
Mildly cool near 58°F 14°C, scattered downpours possible, with steady humidity and steady pressure. Winds SSW at 12 mph 20 km/h.
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