See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
15°
Clear
Feels Like: 16°
Min: 12°
Max: 23°
The next few hours will be clear, with tomorrow reaching 24°C and dropping to 14°C. The coming days will be mostly clear
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:57
Sunrise
19:08
Sunset
Moon
Waxing Crescent
12:45
Moonrise
21:28
Moonset
Daily Forecast
Wednesday
Today
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Atherton.
Resources
UV Index
Humidity
Weather in Atherton tomorrow, September 17, 2026
Atherton looks cloudy on September 17, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The morning sky stays heavily clouded, with cover near 100% around 04:00. Grey conditions set the early tone before any later change.
Expect highs of 24°C and cooler readings close to 13°C. Expect humidity between 54% and 96%, most humid near 03:00. Expect gentle winds, highest near 14:00 at 3.9 km/h.
Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.6 km, briefly nearer 13.7 km. Sunrise is at 06:58 and sunset at 19:06, giving 12 hours 8 minutes of sunlight today.
Taken together, overcast skies in Atherton on September 17, 2026 favour indoor or covered options, with temperatures near 24°C.
Frequently asked questions about weather in Atherton
How warm does it get in Atherton?
The warmest month in Atherton is September, with average high temperatures of 24°C. The average temperature during this period is around 18°C.
How cold does it get in Atherton?
The coldest month in Atherton is February, with average low temperatures of 8°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Atherton?
The wettest month in Atherton is January, with an average of 113mm of precipitation.
What is the driest time of year in Atherton?
The driest month in Atherton is July, with an average of 0mm of precipitation.
Explore more weather forecasts
- Menlo Park, California
- New York City, New York
- Redwood City, California
- Los Angeles, California
- Stanford, California
- Brooklyn, New York
- East Palo Alto, California
- Chicago, Illinois
- Palo Alto, California
- Houston, Texas
- San Carlos, California
- Queens, New York
- Belmont, California
- Phoenix, Arizona
- Los Altos, California
- Philadelphia, Pennsylvania
