Rex Reservoir Weather Forecast

    • 63
    • 92

    Chance Rain Showers

    • 61
    • 89

    Chance Thunderstorms

    • 61
    • 88

    Slight Chance Thunderstorms

    • 59
    • 86

    Chance Thunderstorms

    • 58
    • 83

    Chance Thunderstorms

    • 55
    • 80

    Thunderstorms Likely

Today 8 Aug Central Mountains

Partly cloudy in the Morning, then partly sunny with a 20 percent chance of Showers and Thunderstorms in the afternoon. Patchy smoke through the day. Highs in the lower 80s.

Tonight 8 Aug Central Mountains

Mostly cloudy. Patchy smoke. Lows around 60.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rex Reservoir Temperature Statistics

August Temperature

Delta, Delta Municipal Airport (56.5 miles)

  • Lowest 5 August, 2026

    55.4 °F

  • Average August

    83 °F

  • Highest 1 August, 2026

    104 °F

Climate (2021–2026)

Delta, Delta Municipal Airport (56.5 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    66.4 °F
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