15-Day Weather Forecast - Kathmandu

15-day weather forecast for Kathmandu: temperatures from 17°C (63°F) to 29°C (84°F). Average daily high 26°C (79°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°18°TodaySep28°18°Tmrw27°19°Sun25°19°Mon23°19°Tue23°18°Wed26°18°Thu24°19°Fri27°19°Sat28°18°Sun28°19°Mon29°19°Tue27°18°Wed26°18°Thu24°17°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +28°/+18°
    feels +33°10.1 mm · 96%6 km/hUV 8 · V.Hi
    05:4618:13
  • Sat, Sep 12Tomorrow
    +28°/+18°
    feels +33°7.6 mm · 100%6 km/hUV 8 · Hi
    05:4718:12
  • Sun, Sep 13Sun
    +27°/+19°
    feels +32°16.4 mm · 100%7 km/hUV 2 · Low
    05:4718:10
  • Mon, Sep 14Mon
    +25°/+19°
    feels +30°13.0 mm · 100%7 km/hUV 1 · Low
    05:4818:09
  • Tue, Sep 15Tue
    +23°/+19°
    feels +27°6.9 mm · 100%7 km/hUV 8 · Hi
    05:4818:08
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  • Wed, Sep 16Wed
    +23°/+18°
    feels +26°10.8 mm · 100%6 km/hUV 8 · V.Hi
    05:4918:07
  • Thu, Sep 17Thu
    +26°/+18°
    feels +30°6.3 mm · 98%6 km/hUV 7 · Hi
    05:4918:06
  • Fri, Sep 18Fri
    +24°/+19°
    feels +28°7.2 mm · 98%5 km/hUV 7 · Hi
    05:5018:05
  • Sat, Sep 19Sat
    +27°/+19°
    feels +31°2.4 mm · 100%6 km/hUV 8 · Hi
    05:5018:04
  • Sun, Sep 20Sun
    +28°/+18°
    feels +33°2.4 mm · 75%6 km/hUV 8 · V.Hi
    05:5118:02
  • Mon, Sep 21Mon
    +28°/+19°
    feels +33°2.4 mm · 73%6 km/hUV 6 · Hi
    05:5118:01
  • Tue, Sep 22Tue
    +29°/+19°
    feels +34°4.2 mm · 88%5 km/hUV 6 · Mod
    05:5118:00
  • Wed, Sep 23Wed
    +27°/+18°
    feels +33°3.6 mm · 90%5 km/hUV 7 · Hi
    05:5217:59
  • Thu, Sep 24Thu
    +26°/+18°
    feels +30°4.2 mm · 88%5 km/hUV 8 · Hi
    05:5217:58
  • Fri, Sep 25Fri
    +24°/+17°
    feels +28°5.4 mm · 86%5 km/hUV 8 · Hi
    05:5317:57

Weather Insight

Kathmandu's 15-day outlook ranges from a low of 17°C to a high of 29°C, with an average daytime high near 26°C. That's 1° above the long-term average high of 25°C for this time of year. Air quality is currently Moderate (AQI 86), driven mainly by O₃ at 106 μg/m³.

Today vs Normal

28°C+3° above normal

The long-term average high for today is 25°C.

2 of the last 19 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.

2026-08-19: 25°C25°2026-08-20: 26°C26°2026-08-21: 25°C25°2026-08-22: 26°C26°2026-08-23: 25°C25°2026-08-24: 25°C25°2026-08-25: 25°C25°2026-08-26: 25°C25°2026-08-27: 26°C26°2026-08-28: 25°C25°2026-08-29: 24°C24°2026-08-30: 24°C24°

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

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Extended Outlook for Kathmandu

Over the next 15 days, Kathmandu is forecast to see temperatures ranging from 17°C to 29°C, averaging a daily high of 26°C. The extended outlook indicates significant rainfall totalling 102.9 mm spread across 15 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.