See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:54
Sunrise
19:08
Sunset
Moon
Waxing Crescent
11:42
Moonrise
20:53
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Livermore.
Resources
UV Index
Humidity
Weather in Livermore today, September 15, 2026
Livermore starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The opening hours look fair, as cloud stays near 7% around 08:00. Morning errands should face fewer weather interruptions.
The temperature range runs from about 13°C up to 28°C. The air stays humid, with relative humidity between 27% and 84% and the peak around 06:00. Expect gentle winds, highest near 14:00 at 4.5 km/h.
Later hours favour clearer intervals, as cloud stays near 3% around 22:00. The afternoon is the better half for outdoor time. Horizontal visibility holds close to 16.1 km. Sunrise is at 06:54 and sunset at 19:08, giving 12 hours 13 minutes of sunlight today.
The practical takeaway for Livermore is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 28°C.
Frequently asked questions about weather in Livermore
How warm does it get in Livermore?
The warmest month in Livermore is August, with average high temperatures of 30°C. The average temperature during this period is around 22°C.
How cold does it get in Livermore?
The coldest month in Livermore is December, with average low temperatures of 6°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Livermore?
The wettest month in Livermore is January, with an average of 101mm of precipitation.
What is the driest time of year in Livermore?
The driest month in Livermore is July, with an average of 0mm of precipitation.
Explore more weather forecasts
- Pleasanton, California
- New York City, New York
- Dublin, California
- Los Angeles, California
- San Ramon, California
- Brooklyn, New York
- Union City, California
- Chicago, Illinois
- Fairview, California
- Houston, Texas
- Fremont, California
- Queens, New York
- Danville, California
- Phoenix, Arizona
- Hayward, California
- Philadelphia, Pennsylvania