15-Day Weather Forecast - Riyadh

15-day weather forecast for Riyadh: temperatures from 28°C (82°F) to 44°C (111°F). Average daily high 42°C (108°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +44°C

15-Day Temperature Trend

44°34°TodaySep43°32°Tmrw42°31°Sun43°31°Mon42°31°Tue42°30°Wed42°29°Thu42°31°Fri42°32°Sat42°31°Sun40°30°Mon39°30°Tue39°28°Wed41°28°Thu40°29°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +44°/+34°
    feels +42°15 km/hUV 8 · V.Hi
    05:3718:01
  • Sat, Sep 12Tomorrow
    +43°/+32°
    feels +42°11 km/hUV 8 · V.Hi
    05:3818:00
  • Sun, Sep 13Sun
    +42°/+31°
    feels +42°11 km/hUV 8 · V.Hi
    05:3817:59
  • Mon, Sep 14Mon
    +43°/+31°
    feels +43°12 km/hUV 8 · V.Hi
    05:3817:58
  • Tue, Sep 15Tue
    +42°/+31°
    feels +42°9 km/hUV 8 · V.Hi
    05:3917:57
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  • Wed, Sep 16Wed
    +42°/+30°
    feels +41°12 km/hUV 8 · V.Hi
    05:3917:56
  • Thu, Sep 17Thu
    +42°/+29°
    feels +40°8 km/hUV 8 · V.Hi
    05:3917:55
  • Fri, Sep 18Fri
    +42°/+31°
    feels +40°9 km/hUV 8 · V.Hi
    05:4017:54
  • Sat, Sep 19Sat
    +42°/+32°
    feels +40°7 km/hUV 8 · V.Hi
    05:4017:53
  • Sun, Sep 20Sun
    +42°/+31°
    feels +40°12 km/hUV 8 · V.Hi
    05:4117:52
  • Mon, Sep 21Mon
    +40°/+30°
    feels +37°12 km/hUV 8 · Hi
    05:4117:50
  • Tue, Sep 22Tue
    +39°/+30°
    feels +36°16 km/hUV 8 · Hi
    05:4117:49
  • Wed, Sep 23Wed
    +39°/+28°
    feels +36°7 km/hUV 8 · Hi
    05:4217:48
  • Thu, Sep 24Thu
    +41°/+28°
    feels +38°7 km/hUV 8 · Hi
    05:4217:47
  • Fri, Sep 25Fri
    +40°/+29°
    feels +37°11 km/hUV 8 · Hi
    05:4217:46

Weather Insight

Riyadh's 15-day outlook ranges from a low of 28°C to a high of 44°C, with an average daytime high near 41°C. Air quality is currently Hazardous (AQI 500), driven mainly by PM10 at 952 μg/m³.

Today vs Normal

44°C+3° above normal

The long-term average high for today is 41°C.

16 of the last 19 days with published data ran above normal.

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

2026-08-19: 46°C46°2026-08-20: 44°C44°2026-08-21: 42°C42°2026-08-22: 41°C41°2026-08-23: 42°C42°2026-08-24: 44°C44°2026-08-25: 45°C45°2026-08-26: 45°C45°2026-08-27: 45°C45°2026-08-28: 45°C45°2026-08-29: 46°C46°2026-08-30: 46°C46°

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

Air Quality

Air Quality
Hazardous

Health warning of emergency conditions. The entire population is likely to be affected — avoid all outdoor exertion.

Extended Outlook for Riyadh

Over the next 15 days, Riyadh is forecast to see temperatures ranging from 27°C to 44°C, averaging a daily high of 41°C. The extended outlook indicates predominantly dry and clear conditions throughout the period. High temperatures may pose heat stress - stay hydrated and limit sun exposure during peak afternoon hours.