Los Altos, CA Weather Forecast
Local 7-day forecast
Slight Chance Drizzle then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Los Altos, CA in one place.
A slight chance of drizzle before 11am. Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Los Altos, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 22, 2026 8:36 AM PDT.
The active forecast window currently covers Sep 22 to Sep 28, 2026 for Los Altos, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 22 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 8:36 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Los Altos
Wednesday looks like the warmest upcoming period in Los Altos at 88 degrees F.
Sunday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Saturday Night at about 7 to 10 mph SW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Sep 22, 2026 8:36 AM PDT
- Coverage
- 8 days
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KMUX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 54. South southwest wind 3 to 9 mph.
Sunny. High near 88, with temperatures falling to around 86 in the afternoon. West wind 2 to 6 mph.
Mostly clear, with a low around 58. Southwest wind around 6 mph.
Sunny, with a high near 84. Southwest wind 5 to 8 mph.
Partly cloudy, with a low around 58.
Sunny, with a high near 75.
Mostly clear, with a low around 53.
Sunny, with a high near 74.
Partly cloudy, with a low around 53.
Sunny, with a high near 71.
Mostly clear, with a low around 52.
Sunny, with a high near 79.
Clear, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 22
|
Slight Chance Drizzle then Mostly Sunny
|
72°F |
6 to 9 mph
SW
|
|
Tonight
Sep 22
|
Mostly Clear
|
54°F |
3 to 9 mph
SSW
|
|
Wednesday
Sep 23
|
Sunny
|
88°F |
2 to 6 mph
W
|
|
Wednesday Night
Sep 23
|
Mostly Clear
|
58°F |
6 mph
SW
|
|
Thursday
Sep 24
|
Sunny
|
84°F |
5 to 8 mph
SW
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
58°F |
9 mph
SW
|
|
Friday
Sep 25
|
Sunny
|
75°F |
9 mph
SW
|
|
Friday Night
Sep 25
|
Mostly Clear
|
53°F |
9 mph
SW
|
|
Saturday
Sep 26
|
Sunny
|
74°F |
6 to 9 mph
WSW
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
53°F |
7 to 10 mph
SW
|
|
Sunday
Sep 27
|
Sunny
|
71°F |
10 mph
SW
|
|
Sunday Night
Sep 27
|
Mostly Clear
|
52°F |
6 to 9 mph
SW
|
|
Monday
Sep 28
|
Sunny
|
79°F |
3 to 8 mph
WSW
|
|
Monday Night
Sep 28
|
Clear
|
54°F |
8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Los Altos.
