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Hourly Forecast
Daylight Hours
06:55
Sunrise
19:08
Sunset
Moon
Waxing Crescent
11:42
Moonrise
20:53
Moonset
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Weather in Pleasanton today, September 15, 2026
Expect a mostly clear day in Pleasanton on September 15, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The morning looks comparatively open, with cloud near 2% around 08:00. Early outdoor plans have a better chance of staying dry and bright.
Temperatures climb from an overnight low near 15°C toward a daytime high of about 28°C. Relative humidity sits between 25% and 82%, reaching its peak around 23:00. A lighter breeze peaks around 17:00 near 5.0 km/h.
Through the afternoon skies look more workable, with cloud near 6% around 22:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility around 16.1 km. Expect sunrise at 06:55, sunset at 19:08, and 12 hours 13 minutes of sunlight today overall.
Taken together, settled sunshine in Pleasanton on September 15, 2026 makes outdoor timing easier, with highs near 28°C.
Frequently asked questions about weather in Pleasanton
How warm does it get in Pleasanton?
The warmest month in Pleasanton 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 Pleasanton?
The coldest month in Pleasanton 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 Pleasanton?
The wettest month in Pleasanton is January, with an average of 101mm of precipitation.
What is the driest time of year in Pleasanton?
The driest month in Pleasanton is July, with an average of 0mm of precipitation.
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