Will I be cold?
Will I be cold in Dallas in October?
Verdict
No — No, comfortable.
Lows stay near 59°F — you won't be reaching for the puffer.
Day vs. night
Day
78°F
Warm
Breathable fabrics; sunscreen matters more than a jacket.
Night
59°F
Comfortable
Comfortable outside without an extra layer.
Why
Dallas in October averages highs of 78°F, lows of 59°F, 7 rainy days.
You can pack for the daytime temps and not worry about the evening dip.