15-Day Weather Forecast - Kaunas

15-day weather forecast for Kaunas: temperatures from 9°C (48°F) to 20°C (68°F). Average daily high 17°C (63°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +19°C

15-Day Temperature Trend

19°12°TodaySep19°13°Tmrw18°10°Sun20°11°Mon19°13°Tue20°12°Wed19°13°Thu17°12°Fri18°11°Sat13°10°Sun15°9°Mon16°10°Tue16°11°Wed16°9°Thu13°10°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +19°/+12°
    feels +18°0.1 mm · 27%22 km/hUV 4 · Mod
    06:4919:51
  • Sat, Sep 12Tomorrow
    +19°/+13°
    feels +17°0 mm · 8%11 km/hUV 4 · Mod
    06:5019:49
  • Sun, Sep 13Sun
    +18°/+10°
    feels +17°0 mm · 18%10 km/hUV 4 · Mod
    06:5219:46
  • Mon, Sep 14Mon
    +20°/+11°
    feels +20°0.7 mm · 39%9 km/hUV 2 · Low
    06:5419:43
  • Tue, Sep 15Tue
    +19°/+13°
    feels +17°0.6 mm · 22%13 km/hUV 4 · Mod
    06:5619:41
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  • Wed, Sep 16Wed
    +20°/+12°
    feels +19°0.2 mm · 35%17 km/hUV 3 · Low
    06:5819:38
  • Thu, Sep 17Thu
    +19°/+13°
    feels +17°3.4 mm · 31%14 km/hUV 2 · Low
    07:0019:36
  • Fri, Sep 18Fri
    +17°/+12°
    feels +15°1.2 mm · 43%18 km/hUV 2 · Low
    07:0219:33
  • Sat, Sep 19Sat
    +18°/+11°
    feels +16°1.8 mm · 32%18 km/hUV 2 · Low
    07:0319:31
  • Sun, Sep 20Sun
    +13°/+10°
    feels +11°7.8 mm · 34%16 km/hUV 3 · Low
    07:0519:28
  • Mon, Sep 21Mon
    +15°/+9°
    feels +13°1.2 mm · 32%16 km/hUV 3 · Low
    07:0719:26
  • Tue, Sep 22Tue
    +16°/+10°
    feels +13°0.6 mm · 36%19 km/hUV 3 · Mod
    07:0919:23
  • Wed, Sep 23Wed
    +16°/+11°
    feels +13°0.6 mm · 32%23 km/hUV 1 · Low
    07:1119:21
  • Thu, Sep 24Thu
    +16°/+9°
    feels +14°4.6 mm · 34%11 km/hUV 1 · Low
    07:1319:18
  • Fri, Sep 25Fri
    +13°/+10°
    feels +12°10.2 mm · 24%15 km/hUV 2 · Low
    07:1519:15

Weather Insight

Kaunas's 15-day outlook ranges from a low of 9°C to a high of 20°C, with an average daytime high near 17°C. That's 1° below the long-term average high of 18°C for this time of year. It continues a recent pattern — 14 of the last 28 days with published data have run cooler than normal. Air quality is currently good (AQI 29), with no notable outdoor health concerns.

Today vs Normal

19°C+1° above normal

The long-term average high for today is 18°C.

14 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: 22°C22°2026-08-29: 23°C23°2026-08-30: 24°C24°2026-08-31: 24°C24°2026-09-01: 21°C21°2026-09-02: 21°C21°2026-09-03: 21°C21°2026-09-04: 19°C19°2026-09-05: 17°C17°2026-09-06: 19°C19°2026-09-07: 20°C20°2026-09-08: 22°C22°

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 Kaunas

Over the next 15 days, Kaunas is forecast to see temperatures ranging from 8°C to 20°C, averaging a daily high of 17°C. The extended outlook indicates significant rainfall totalling 33 mm spread across 13 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.