15-Day Weather Forecast - Newark

15-day weather forecast for Newark: temperatures from 12°C (54°F) to 30°C (86°F). Average daily high 24°C (75°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +28°C

15-Day Temperature Trend

28°20°TodaySep26°14°Tmrw29°21°Sun24°18°Mon22°15°Tue24°17°Wed26°19°Thu28°22°Fri30°20°Sat22°16°Sun18°14°Mon16°15°Tue18°14°Wed27°16°Thu25°12°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +28°/+20°
    feels +27°0 mm · 2%14 km/hUV 6 · Hi
    06:3319:12
  • Sat, Sep 12Tomorrow
    +26°/+14°
    feels +26°0 mm · 37%17 km/hUV 6 · Hi
    06:3419:10
  • Sun, Sep 13Sun
    +29°/+21°
    feels +32°40.6 mm · 79%15 km/hUV 6 · Mod
    06:3519:08
  • Mon, Sep 14Mon
    +24°/+18°
    feels +26°0.6 mm · 4%26 km/hUV 6 · Hi
    06:3619:07
  • Tue, Sep 15Tue
    +22°/+15°
    feels +21°0 mm · 1%17 km/hUV 6 · Hi
    06:3719:05
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  • Wed, Sep 16Wed
    +24°/+17°
    feels +24°0 mm · 13%14 km/hUV 6 · Hi
    06:3819:03
  • Thu, Sep 17Thu
    +26°/+19°
    feels +25°0 mm · 24%13 km/hUV 6 · Hi
    06:3919:02
  • Fri, Sep 18Fri
    +28°/+22°
    feels +31°1.5 mm · 22%16 km/hUV 5 · Mod
    06:4019:00
  • Sat, Sep 19Sat
    +30°/+20°
    feels +31°0.6 mm · 17%23 km/hUV 6 · Mod
    06:4118:58
  • Sun, Sep 20Sun
    +22°/+16°
    feels +21°0 mm · 17%22 km/hUV 5 · Mod
    06:4218:57
  • Mon, Sep 21Mon
    +18°/+14°
    feels +17°17.7 mm · 12%21 km/hUV 1 · Low
    06:4318:55
  • Tue, Sep 22Tue
    +16°/+15°
    feels +16°3.6 mm · 14%17 km/hUV 1 · Low
    06:4418:53
  • Wed, Sep 23Wed
    +18°/+14°
    feels +18°4.2 mm · 13%14 km/hUV 2 · Low
    06:4518:52
  • Thu, Sep 24Thu
    +27°/+16°
    feels +27°0 mm · 19%13 km/hUV 6 · Mod
    06:4618:50
  • Fri, Sep 25Fri
    +25°/+12°
    feels +26°12.3 mm · 17%28 km/hUV 3 · Mod
    06:4718:48

Weather Insight

Newark's 15-day outlook ranges from a low of 12°C to a high of 30°C, with an average daytime high near 24°C. That's 2° below the long-term average high of 26°C for this time of year. It continues a recent pattern — 12 of the last 28 days with published data have run cooler than normal. Air quality is currently good (AQI 41), with no notable outdoor health concerns.

Today vs Normal

28°C+2° above normal

The long-term average high for today is 26°C.

12 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.

2026-08-28: 28°C28°2026-08-29: 25°C25°2026-08-30: 27°C27°2026-08-31: 26°C26°2026-09-01: 30°C30°2026-09-02: 23°C23°2026-09-03: 30°C30°2026-09-04: 29°C29°2026-09-05: 26°C26°2026-09-06: 24°C24°2026-09-07: 26°C26°2026-09-08: 27°C27°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Extended Outlook for Newark

Over the next 15 days, Newark is forecast to see temperatures ranging from 12°C to 30°C, averaging a daily high of 24°C. The extended outlook indicates significant rainfall totalling 81.1 mm spread across 8 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.