See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
28°
Clear
Feels Like: 25°
Min: 27°
Max: 38°
The next few hours will be clear, with today reaching 38°C and dropping to 25°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:16
Sunrise
19:28
Sunset
Moon
Waxing Crescent
11:46
Moonrise
21:22
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Lewisville today, September 15, 2026
Lewisville keeps a mostly sunny profile on September 15, 2026, aside from a cloudier spell around 18:00. Outside that window, bright conditions should still lead the day. The morning looks comparatively open, with cloud near 7% around 09:00. Early outdoor plans have a better chance of staying dry and bright.
The day peaks near 38°C and cools toward 27°C. The air stays humid, with relative humidity between 30% and 76% and the peak around 08:00. Expect gentle winds, highest near 11:00 at 5.2 km/h.
Later hours favour clearer intervals, as cloud stays near 45% around 18:00. The afternoon is the better half for outdoor time. Views remain open at about 16.1 km. Expect sunrise at 07:16, sunset at 19:28, and 12 hours 11 minutes of sunlight today overall.
Taken together, settled sunshine in Lewisville on September 15, 2026 makes outdoor timing easier, with highs near 38°C.
Frequently asked questions about weather in Lewisville
How warm does it get in Lewisville?
The warmest month in Lewisville 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 Lewisville?
The coldest month in Lewisville 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 Lewisville?
The wettest month in Lewisville is May, with an average of 141mm of precipitation.
What is the driest time of year in Lewisville?
The driest month in Lewisville is July, with an average of 36mm of precipitation.
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