Los Alamos, CA Weather Tomorrow

Stay one step ahead with tomorrow's weather in Los Alamos and a reliable 5 day forecast including precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill across the Los Alamos area and around Santa Barbara county, California.
Updated: Thu Oct 1st 2026 6:00 AM PDT
Los Alamos, CA Weather – 10-1 – Sunny
77° / 65°
Sunny
Highs will reach 77°F with lows near 65°F in Los Alamos, where a sunny day is. There's a very small chance of rainfall, only about 3%. Winds will be light at 6mph and gusts of 17mph at 12 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 68% at 7 AM and 43% being its lowest at 4 PM. Barometric pressure is its highest of 29.88inHg at 10 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.85inHg.
Los Alamos, CA Weather – 10-2 – Sunny
85° / 68°

Weather Tomorrow

Sunny
Los Alamos is set for a sunny day with temperatures peaking at 85°F and dipping to 68°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 9mph and gusts of 18.3mph at 10 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 62% at 2 AM and 26% being its lowest at 1 PM. Barometric pressure is its highest of 29.88inHg at 11 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.85inHg.
Los Alamos, CA Weather – 10-3 – Sunny
88° / 72°
Sunny
Los Alamos could see a sunny day with daytime highs of 88°F and nighttime lows near 72°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 9mph and gusts of 19.7mph at 9 PM. Humidity levels should be comfortable, sitting around 31% on average, the maximum being 43% at 12 AM and 22% being its lowest at 10 AM. Barometric pressure is its highest of 29.84inHg at 12 AM, a lowest point of 29.78inHg at 5 PM with an avg 29.82inHg.
Los Alamos, CA Weather – 10-4 – Sunny
89° / 76°
Sunny
Highs will reach 89°F with lows near 76°F in Los Alamos, where a sunny day is. There's a very small chance of rainfall, only about 1%. Winds will be light at 10mph and gusts of 19mph at 2 AM. Humidity levels should be comfortable, sitting around 32% on average, the maximum being 37% at 8 PM and 25% being its lowest at 10 AM. Barometric pressure is its highest of 29.87inHg at 9 PM, a lowest point of 29.8inHg at 4 AM with an avg 29.83inHg.
Los Alamos, CA Weather – 10-5 – Sunny
90° / 75°
Sunny
Sunshine is in the forecast for Los Alamos, with a high of 90°F and a low of 75°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 9mph and gusts of 18.6mph at 1 AM. Humidity levels should be comfortable, sitting around 33% on average, the maximum being 41% at 8 PM and 25% being its lowest at 11 AM. Barometric pressure is its highest of 29.89inHg at 9 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.86inHg.
Los Alamos, CA Weather – 10-6 – Sunny
89° / 72°
Sunny
In Los Alamos, bright and sunny conditions with highs near 89°F and lows around 72°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 10mph and gusts of 17mph at 8 PM. Humidity levels should be comfortable, sitting around 34% on average, the maximum being 44% at 5 AM and 23% being its lowest at 11 AM. Barometric pressure is its highest of 29.86inHg at 12 AM, a lowest point of 29.76inHg at 5 PM with an avg 29.82inHg.

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