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
07:16
Sunrise
19:28
Sunset
Moon
Waxing Crescent
11:45
Moonrise
21:23
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 Grand Prairie.
Resources
UV Index
Humidity
Weather in Grand Prairie today, September 15, 2026
Conditions in Grand Prairie 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. Expect a brighter morning, with limited cloud around 6% by 09:00. Conditions start on a settled note.
The temperature range runs from about 27°C up to 38°C. Moisture in the air spans 28%-77%, with the highest values around 07:00. Expect gentle winds, highest near 03:00 at 5.7 km/h.
Expect a more open afternoon, with limited cloud around 52% by 17:00. Residual damp risk should be lower than earlier. Visibility stays near 16.1 km. Sunrise is at 07:16 and sunset at 19:28, giving 12 hours 11 minutes of sunlight today.
Taken together, settled sunshine in Grand Prairie on September 15, 2026 makes outdoor timing easier, with highs near 38°C.
Frequently asked questions about weather in Grand Prairie
How warm does it get in Grand Prairie?
The warmest month in Grand Prairie is July, with average high temperatures of 36°C. The average temperature during this period is around 30°C.
How cold does it get in Grand Prairie?
The coldest month in Grand Prairie is January, with average low temperatures of 4°C. The average temperature during this period is around 8°C.
What is the wettest time of year in Grand Prairie?
The wettest month in Grand Prairie is May, with an average of 143mm of precipitation.
What is the driest time of year in Grand Prairie?
The driest month in Grand Prairie is July, with an average of 37mm of precipitation.
