15-Day Weather Forecast - Tallinn

15-day weather forecast for Tallinn: temperatures from 8°C (46°F) to 19°C (66°F). Average daily high 15°C (59°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +17°C

15-Day Temperature Trend

17°13°TodaySep16°11°Tmrw16°14°Sun15°11°Mon19°8°Tue16°13°Wed16°12°Thu17°12°Fri16°12°Sat14°10°Sun13°10°Mon15°11°Tue13°8°Wed15°8°Thu12°8°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +17°/+13°
    feels +13°8.0 mm · 100%28 km/hUV 4 · Mod
    06:3919:53
  • Sat, Sep 12Tomorrow
    +16°/+11°
    feels +15°3.8 mm · 73%15 km/hUV 2 · Low
    06:4219:50
  • Sun, Sep 13Sun
    +16°/+14°
    feels +17°4.1 mm · 81%18 km/hUV 2 · Low
    06:4419:47
  • Mon, Sep 14Mon
    +15°/+11°
    feels +14°0.8 mm · 25%8 km/hUV 3 · Low
    06:4619:44
  • Tue, Sep 15Tue
    +19°/+8°
    feels +18°0.6 mm · 29%11 km/hUV 4 · Mod
    06:4919:41
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  • Wed, Sep 16Wed
    +16°/+13°
    feels +15°16.4 mm · 66%21 km/hUV 1 · Low
    06:5119:38
  • Thu, Sep 17Thu
    +16°/+12°
    feels +14°18.1 mm · 40%17 km/hUV 2 · Low
    06:5319:35
  • Fri, Sep 18Fri
    +17°/+12°
    feels +14°2.2 mm · 71%20 km/hUV 2 · Low
    06:5519:32
  • Sat, Sep 19Sat
    +16°/+12°
    feels +13°3.8 mm · 63%22 km/hUV 3 · Low
    06:5819:30
  • Sun, Sep 20Sun
    +14°/+10°
    feels +12°1.8 mm · 53%18 km/hUV 3 · Mod
    07:0019:27
  • Mon, Sep 21Mon
    +13°/+10°
    feels +12°7.4 mm · 49%12 km/hUV 3 · Low
    07:0219:24
  • Tue, Sep 22Tue
    +15°/+11°
    feels +12°3.0 mm · 47%21 km/hUV 3 · Low
    07:0519:21
  • Wed, Sep 23Wed
    +13°/+8°
    feels +11°15.4 mm · 56%23 km/hUV 3 · Low
    07:0719:18
  • Thu, Sep 24Thu
    +15°/+8°
    feels +11°0.6 mm · 41%17 km/hUV 2 · Low
    07:0919:15
  • Fri, Sep 25Fri
    +12°/+8°
    feels +10°0.6 mm · 41%11 km/hUV 2 · Low
    07:1119:12

Weather Insight

Tallinn's 15-day outlook ranges from a low of 8°C to a high of 19°C, with an average daytime high near 15°C. That's 1° below the long-term average high of 16°C for this time of year. Air quality is currently good (AQI 28), with no notable outdoor health concerns.

Today vs Normal

17°C+1° above normal

The long-term average high for today is 16°C.

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

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

2026-08-28: 21°C21°2026-08-29: 19°C19°2026-08-30: 20°C20°2026-08-31: 19°C19°2026-09-01: 19°C19°2026-09-02: 19°C19°2026-09-03: 18°C18°2026-09-04: 17°C17°2026-09-05: 18°C18°2026-09-06: 17°C17°2026-09-07: 18°C18°2026-09-08: 18°C18°

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 Tallinn

Over the next 15 days, Tallinn is forecast to see temperatures ranging from 7°C to 19°C, averaging a daily high of 15°C. The extended outlook indicates significant rainfall totalling 86.6 mm spread across 15 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.