Atherton, CA Weather Forecast
Local 7-day forecast
Areas Of Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Atherton, CA in one place.
Areas of fog between 8am and 9am. Sunny, with a high near 85. West southwest wind 1 to 6 mph.
Local Weather Overview
This forecast page for Atherton, 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 7:24 AM PDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Atherton, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 7:24 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Atherton
Wednesday looks like the warmest upcoming period in Atherton at 85 degrees F.
Saturday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Thursday at about 3 to 9 mph SW.
The forecast from Sep 23 through Sep 28 stays mostly dry.
Forecast Details
- Last updated
- Sep 22, 2026 7:24 AM PDT
- Coverage
- 6 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 56. Southwest wind around 6 mph.
Sunny, with a high near 80.
Partly cloudy, with a low around 58.
Sunny, with a high near 74.
Mostly clear, with a low around 53.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 52.
Sunny, with a high near 69.
Mostly clear, with a low around 52.
Sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Areas Of Fog then Sunny
|
85°F |
1 to 6 mph
WSW
|
|
Wednesday Night
Sep 23
|
Mostly Clear
|
56°F |
6 mph
SW
|
|
Thursday
Sep 24
|
Sunny
|
80°F |
3 to 9 mph
SW
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
58°F |
9 mph
SW
|
|
Friday
Sep 25
|
Sunny
|
74°F |
9 mph
SW
|
|
Friday Night
Sep 25
|
Mostly Clear
|
53°F |
6 to 9 mph
SW
|
|
Saturday
Sep 26
|
Mostly Sunny
|
72°F |
6 to 9 mph
SW
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
52°F |
9 mph
SW
|
|
Sunday
Sep 27
|
Sunny
|
69°F |
9 mph
SW
|
|
Sunday Night
Sep 27
|
Mostly Clear
|
52°F |
5 to 9 mph
SW
|
|
Monday
Sep 28
|
Sunny
|
77°F |
3 to 9 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Atherton.