15-Day Weather Forecast - Omsk

15-day weather forecast for Omsk: temperatures from 8°C (46°F) to 30°C (86°F). Average daily high 21°C (70°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +30°C

15-Day Temperature Trend

30°18°TodaySep29°17°Tmrw21°14°Sun18°12°Mon18°12°Tue19°11°Wed20°11°Thu21°10°Fri19°15°Sat23°16°Sun21°13°Mon18°10°Tue17°9°Wed19°8°Thu21°10°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +30°/+18°
    feels +29°17 km/hUV 4 · Mod
    06:3119:34
  • Sat, Sep 12Tomorrow
    +29°/+17°
    feels +27°0.9 mm · 71%23 km/hUV 4 · Mod
    06:3219:31
  • Sun, Sep 13Sun
    +21°/+14°
    feels +17°3.7 mm · 73%24 km/hUV 3 · Low
    06:3419:29
  • Mon, Sep 14Mon
    +18°/+12°
    feels +15°1.0 mm · 61%21 km/hUV 1 · Low
    06:3619:26
  • Tue, Sep 15Tue
    +18°/+12°
    feels +16°2.2 mm · 73%15 km/hUV 2 · Low
    06:3819:24
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  • Wed, Sep 16Wed
    +19°/+11°
    feels +18°0 mm · 36%14 km/hUV 3 · Mod
    06:4019:21
  • Thu, Sep 17Thu
    +20°/+11°
    feels +19°0 mm · 11%9 km/hUV 2 · Low
    06:4219:19
  • Fri, Sep 18Fri
    +21°/+10°
    feels +19°0 mm · 29%10 km/hUV 2 · Low
    06:4419:16
  • Sat, Sep 19Sat
    +19°/+15°
    feels +18°0.6 mm · 28%11 km/hUV 2 · Low
    06:4619:13
  • Sun, Sep 20Sun
    +23°/+16°
    feels +22°0 mm · 10%10 km/hUV 1 · Low
    06:4719:11
  • Mon, Sep 21Mon
    +21°/+13°
    feels +20°0 mm · 10%12 km/hUV 3 · Mod
    06:4919:08
  • Tue, Sep 22Tue
    +18°/+10°
    feels +16°0 mm · 6%12 km/hUV 3 · Mod
    06:5119:06
  • Wed, Sep 23Wed
    +17°/+9°
    feels +14°0 mm · 13%11 km/hUV 2 · Low
    06:5319:03
  • Thu, Sep 24Thu
    +19°/+8°
    feels +19°0 mm · 14%7 km/hUV 2 · Low
    06:5519:01
  • Fri, Sep 25Fri
    +21°/+10°
    feels +20°0 mm · 18%3 km/hUV 2 · Low
    06:5718:58

Weather Insight

Omsk's 15-day outlook ranges from a low of 8°C to a high of 30°C, with an average daytime high near 21°C. That's 4° above the long-term average high of 17°C for this time of year. It continues a recent pattern — 21 of the last 28 days with published data have run warmer than normal. Air quality is currently good (AQI 47), with no notable outdoor health concerns.

Today vs Normal

30°C+13° above normal

The long-term average high for today is 17°C.

21 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: 22°C22°2026-08-29: 19°C19°2026-08-30: 16°C16°2026-08-31: 16°C16°2026-09-01: 12°C12°2026-09-02: 15°C15°2026-09-03: 23°C23°2026-09-04: 26°C26°2026-09-05: 29°C29°2026-09-06: 28°C28°2026-09-07: 31°C31°2026-09-08: 29°C29°

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 Omsk

Over the next 15 days, Omsk is forecast to see temperatures ranging from 8°C to 31°C, averaging a daily high of 21°C. The extended outlook indicates occasional showers on 5 days, with 8.4 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.