Los Altos, CA Weather
Los Altos, CA climate is mild during summer when temperatures tend to be in the 60's and cool during winter when temperatures tend to be in the 50's.
The warmest month of the year is July with an average maximum temperature of 78.80 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 39.20 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 22 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.
The annual average precipitation at Los Altos is 15.71 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is January with an average rainfall of 3.24 Inches.
Weather Data
Current Conditions
|
Fair, 55°F | Humidity: 59% | Dewpoint: 41°F |
| Wind Speed: CALM | Heat Index: 55°F | ||
| Barometer: 30.14 in. | Wind Chill: 55°F |
Weather Forecast
 | Tonight: Clear. Lows in the upper 30s to upper 40s. West winds around 5 mph. | |
| Lo: 49°F | ||
 | Hi: 69°F | Wednesday: Sunny. Highs in the upper 60s. Northeast winds around 5 mph...Becoming northwest in the afternoon. |
| Lo: 45°F | ||
| Hi: 61°F | Thanksgiving day: Mostly sunny. Highs in the lower 60s. North winds around 5 mph...Becoming west in the afternoon. |
| Lo: 47°F | ||
 | Hi: 61°F | Friday: Partly cloudy. Highs in the lower 60s. |
| Lo: 45°F | ||
| Hi: 61°F | Saturday: Mostly clear. Lows in the 40s. Highs in the lower 60s. |
| Lo: 45°F | ||
| Hi: 61°F | Sunday: Mostly clear. Lows in the 40s. Highs in the lower 60s. |
| Lo: 45°F | ||
| Hi: 61°F | Monday: Mostly clear. Lows in the 40s. Highs in the lower 60s. |
| Lo: 45°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:28 AM PST |
Sunrise: 6:56 AM PST |
| Sunset: 4:52 PM PST |
Civil Twilight: 5:21 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 57.6 | 61.6 | 64.3 | 69.0 | 73.5 | 77.4 | 78.8 | 78.7 | 77.8 | 73.0 | 64.1 | 58.2 | 69.5 |
| Mean °F | 49.0 | 52.4 | 55.0 | 58.2 | 62.4 | 66.2 | 68.0 | 68.0 | 66.4 | 61.5 | 54.0 | 48.7 | 59.2 |
| Min °F | 40.4 | 43.2 | 45.6 | 47.4 | 51.2 | 55.0 | 57.1 | 57.2 | 55.0 | 50.0 | 43.9 | 39.2 | 48.8 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 3.24 | 3.18 | 2.65 | 0.89 | 0.35 | 0.11 | 0.03 | 0.08 | 0.19 | 0.85 | 1.83 | 2.31 | 15.71 |
