15-Day Weather Forecast - Syracuse

15-day weather forecast for Syracuse: temperatures from 7°C (45°F) to 29°C (84°F). Average daily high 22°C (72°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +23°C

15-Day Temperature Trend

23°13°TodaySep27°10°Tmrw24°17°Sun19°11°Mon22°8°Tue27°18°Wed29°19°Thu29°18°Fri24°13°Sat19°10°Sun14°10°Mon14°10°Tue19°14°Wed22°14°Thu15°7°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +23°/+13°
    feels +22°0 mm · 3%14 km/hUV 6 · Mod
    06:3919:21
  • Sat, Sep 12Tomorrow
    +27°/+10°
    feels +26°0.8 mm · 56%24 km/hUV 5 · Mod
    06:4119:19
  • Sun, Sep 13Sun
    +24°/+17°
    feels +25°0.5 mm · 56%21 km/hUV 4 · Mod
    06:4219:17
  • Mon, Sep 14Mon
    +19°/+11°
    feels +16°1.5 mm · 20%20 km/hUV 6 · Mod
    06:4319:16
  • Tue, Sep 15Tue
    +22°/+8°
    feels +19°0 mm · 35%17 km/hUV 5 · Mod
    06:4419:14
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  • Wed, Sep 16Wed
    +27°/+18°
    feels +28°0 mm · 38%17 km/hUV 5 · Mod
    06:4519:12
  • Thu, Sep 17Thu
    +29°/+19°
    feels +30°2.7 mm · 44%12 km/hUV 5 · Mod
    06:4619:10
  • Fri, Sep 18Fri
    +29°/+18°
    feels +29°3.0 mm · 36%29 km/hUV 6 · Mod
    06:4719:09
  • Sat, Sep 19Sat
    +24°/+13°
    feels +24°22.8 mm · 20%29 km/hUV 3 · Low
    06:4819:07
  • Sun, Sep 20Sun
    +19°/+10°
    feels +17°0 mm · 13%6 km/hUV 4 · Mod
    06:4919:05
  • Mon, Sep 21Mon
    +14°/+10°
    feels +14°17.7 mm · 12%15 km/hUV 1 · Low
    06:5019:03
  • Tue, Sep 22Tue
    +14°/+10°
    feels +15°26.1 mm · 12%15 km/hUV 1 · Low
    06:5119:01
  • Wed, Sep 23Wed
    +19°/+14°
    feels +20°0.3 mm · 19%5 km/hUV 2 · Low
    06:5319:00
  • Thu, Sep 24Thu
    +22°/+14°
    feels +23°0.9 mm · 16%15 km/hUV 3 · Mod
    06:5418:58
  • Fri, Sep 25Fri
    +15°/+7°
    feels +16°10.8 mm · 19%11 km/hUV 1 · Low
    06:5518:56

Weather Insight

Syracuse's 15-day outlook ranges from a low of 7°C to a high of 29°C, with an average daytime high near 22°C. That's 2° below the long-term average high of 24°C for this time of year. It continues a recent pattern — 5 of the last 28 days with published data have run cooler than normal. Air quality is currently good (AQI 25), with no notable outdoor health concerns.

Today vs Normal

23°C-1° below normal

The long-term average high for today is 24°C.

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

It continues that pattern - today's forecast is also running below normal.

2026-08-28: 21°C21°2026-08-29: 24°C24°2026-08-30: 23°C23°2026-08-31: 19°C19°2026-09-01: 26°C26°2026-09-02: 27°C27°2026-09-03: 27°C27°2026-09-04: 24°C24°2026-09-05: 23°C23°2026-09-06: 22°C22°2026-09-07: 23°C23°2026-09-08: 25°C25°

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 Syracuse

Over the next 15 days, Syracuse is forecast to see temperatures ranging from 7°C to 29°C, averaging a daily high of 22°C. The extended outlook indicates significant rainfall totalling 87.1 mm spread across 11 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.