15-Day Weather Forecast - Oklahoma City

15-day weather forecast for Oklahoma City: temperatures from 14°C (57°F) to 40°C (104°F). Average daily high 34°C (93°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +35°C

15-Day Temperature Trend

35°20°TodaySep39°26°Tmrw40°24°Sun40°27°Mon39°27°Tue40°27°Wed38°26°Thu25°18°Fri25°15°Sat27°14°Sun29°16°Mon34°17°Tue36°19°Wed35°22°Thu33°18°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +35°/+20°
    feels +38°13 km/hUV 7 · Hi
    07:0919:42
  • Sat, Sep 12Tomorrow
    +39°/+26°
    feels +41°0 mm · 9%17 km/hUV 7 · Hi
    07:1019:41
  • Sun, Sep 13Sun
    +40°/+24°
    feels +39°0 mm · 4%29 km/hUV 7 · Hi
    07:1119:39
  • Mon, Sep 14Mon
    +40°/+27°
    feels +38°0 mm · 2%30 km/hUV 7 · Hi
    07:1219:38
  • Tue, Sep 15Tue
    +39°/+27°
    feels +38°0.4 mm · 7%30 km/hUV 7 · Hi
    07:1219:36
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  • Wed, Sep 16Wed
    +40°/+27°
    feels +38°0.1 mm · 10%32 km/hUV 7 · Hi
    07:1319:35
  • Thu, Sep 17Thu
    +38°/+26°
    feels +37°0 mm · 17%32 km/hUV 7 · Hi
    07:1419:33
  • Fri, Sep 18Fri
    +25°/+18°
    feels +26°19.5 mm · 20%22 km/hUV 1 · Low
    07:1519:32
  • Sat, Sep 19Sat
    +25°/+15°
    feels +23°0 mm · 20%22 km/hUV 7 · Hi
    07:1519:31
  • Sun, Sep 20Sun
    +27°/+14°
    feels +26°0 mm · 17%13 km/hUV 7 · Hi
    07:1619:29
  • Mon, Sep 21Mon
    +29°/+16°
    feels +30°0 mm · 12%14 km/hUV 7 · Hi
    07:1719:28
  • Tue, Sep 22Tue
    +34°/+17°
    feels +31°0 mm · 23%26 km/hUV 7 · Hi
    07:1819:26
  • Wed, Sep 23Wed
    +36°/+19°
    feels +34°0 mm · 23%24 km/hUV 7 · Hi
    07:1819:25
  • Thu, Sep 24Thu
    +35°/+22°
    feels +35°0 mm · 16%16 km/hUV 6 · Hi
    07:1919:23
  • Fri, Sep 25Fri
    +33°/+18°
    feels +32°0 mm · 20%19 km/hUV 7 · Hi
    07:2019:22

Weather Insight

Oklahoma City's 15-day outlook ranges from a low of 14°C to a high of 40°C, with an average daytime high near 34°C. That's 4° above the long-term average high of 30°C for this time of year. It continues a recent pattern — 28 of the last 28 days with published data have run warmer than normal. Air quality is currently good (AQI 50), with no notable outdoor health concerns.

Today vs Normal

35°C+5° above normal

The long-term average high for today is 30°C.

28 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: 37°C37°2026-08-29: 39°C39°2026-08-30: 39°C39°2026-08-31: 39°C39°2026-09-01: 39°C39°2026-09-02: 39°C39°2026-09-03: 37°C37°2026-09-04: 38°C38°2026-09-05: 39°C39°2026-09-06: 39°C39°2026-09-07: 40°C40°2026-09-08: 40°C40°

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 Oklahoma City

Over the next 15 days, Oklahoma City is forecast to see temperatures ranging from 13°C to 41°C, averaging a daily high of 34°C. The extended outlook indicates occasional showers on 3 days, with 20 mm total accumulation. High temperatures may pose heat stress - stay hydrated and limit sun exposure during peak afternoon hours.