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Hourly Forecast
Daylight Hours
07:14
Sunrise
19:28
Sunset
Moon
Waxing Crescent
10:43
Moonrise
20:49
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
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UV Index
Humidity
Weather in Plano tomorrow, September 15, 2026
Conditions in Plano on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The opening hours look fair, as cloud stays near 11% around 09:00. Morning errands should face fewer weather interruptions.
The temperature range runs from about 27°C up to 38°C. The air stays humid, with relative humidity between 34% and 82% and the peak around 07:00. Airflow remains manageable, reaching about 5.4 km/h around 00:00.
Later hours favour clearer intervals, as cloud stays near 9% around 15:00. The afternoon is the better half for outdoor time. Views remain open at about 16.1 km. Daylight runs from 07:15 to 19:27, lasting 12 hours 11 minutes of sunlight today.
Taken together, settled sunshine in Plano on September 15, 2026 makes outdoor timing easier, with highs near 38°C.
Frequently asked questions about weather in Plano
How warm does it get in Plano?
The warmest month in Plano is July, with average high temperatures of 35°C. The average temperature during this period is around 30°C.
How cold does it get in Plano?
The coldest month in Plano is January, with average low temperatures of 3°C. The average temperature during this period is around 8°C.
What is the wettest time of year in Plano?
The wettest month in Plano is May, with an average of 150mm of precipitation.
What is the driest time of year in Plano?
The driest month in Plano is July, with an average of 41mm of precipitation.
