Dallas Overnight Lows Expected in Mid-70s on Sep 30
Dallas Overnight Lows Expected in Mid-70s on Sep 30
US · Published Sep 30, 2026
• Warm, humid air from the Gulf of Mexico is expected to keep overnight temperatures in Dallas elevated on September 30,
• According to the National Weather Service and model guidance, the minimum temperature is forecasted to range between 76°F and 78°F (24°C to 26°C). Overcast skies and south-southeast winds of 10–15 mph will limit radiational cooling, preventing temperatures from dropping significantly. High dew points near 70°F (21°C) and recent rainfall are also contributing to the elevated overnight lows, which are well above the historical average low of 65°F (18°C).

Impact & Risks

Residents in Dallas should expect warmer-than-average overnight conditions, which may lead to discomfort for those without air conditioning. The lack of significant cooling could also impact energy consumption as air conditioning units may need to run longer. While no severe weather is anticipated, the elevated humidity and cloud cover may create a muggy environment.

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