Delaware Weather Forecast

    • 70
    • 89

    Chance Thunderstorms

    • 72
    • 90

    Mostly Sunny

    • 70
    • 92

    Mostly Sunny

    • 67
    • 87

    Slight Chance Thunderstorms

    • 65
    • 84

    Slight Chance Thunderstorms

    • 68
    • 83

    Chance Thunderstorms

Today 30 May Nowata

Mostly sunny. A slight chance of Showers and Thunderstorms in the morning. Highs in the upper 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 30 May Nowata

Thunderstorms likely with a chance of Showers. Near steady temperature around 70. Southeast Winds around 5 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Delaware Temperature Statistics

May Temperature

Bartlesville, Bartlesville Municipal Airport (21.1 miles)

  • Lowest 11 May, 2026

    38.6 °F

  • Average May

    66.2 °F

  • Highest 16 May, 2026

    88.6 °F

Climate (2021–Present)

Bartlesville, Bartlesville Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    73.7 °F
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