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NJ weather: Humidity ramps up ahead of weeklong heat wave

Source: NJ 101.5 · Aug 5, 2026, 8:28 AM

AI-assisted briefing from the publisher’s public headline and excerpt — not original reporting. How we write briefings

Weather forecast map showing heat wave conditions approaching New Jersey

New Jersey will experience a return of humid conditions Wednesday accompanied by spotty thunderstorms before entering a significant heat wave starting Thursday.

Temperatures are expected to climb above 90 degrees and remain elevated throughout the coming week. Residents should prepare for the combination of high heat and humidity, which could make outdoor conditions feel more oppressive.

The National Weather Service forecasts this extended stretch of warm weather will be notable for the region heading into the weekend and beyond.

Key points

  • Humidity increases Wednesday with isolated thunderstorms possible
  • Heat wave begins Thursday with temperatures climbing above 90 degrees
  • Extended period of 90+ degree temperatures expected throughout the week
  • Combination of heat and humidity may create more intense heat index values
  • Residents should prepare cooling strategies and stay hydrated

FAQ

When will the heat wave arrive in New Jersey?
The heat wave is expected to begin Thursday, with temperatures climbing above 90 degrees and persisting through the week ahead.
Will there be storms before the heat wave?
Yes, spotty thunderstorms are possible Wednesday as humidity returns to the state before the heat wave takes over.
How long will the 90+ degree temperatures last?
The forecast indicates this streak of 90-plus degree temperatures will persist for several days, making it a multi-day heat event for New Jersey.

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