Monacillo Weather Forecast

    • 77
    • 89

    Rain Showers

    • 77
    • 92

    Rain Showers

    • 77
    • 90

    Rain Showers

    • 77
    • 91

    Rain Showers

    • 77
    • 92

    Rain Showers

    • 76
    • 91

    Rain Showers

Today 17 Sep San Juan and Vicinity

Variably cloudy this Morning, then becoming mostly cloudy. Isolated Thunderstorms. Scattered Showers this Morning, then numerous Showers this afternoon. Highs around 93. Temperature falling this afternoon. Southeast Winds 15 to 20 Mph. Chance of rain 70 percent.

Tonight 17 Sep San Juan and Vicinity

Cloudy with numerous Showers with isolated Thunderstorms in the Evening, then partly cloudy with scattered Showers after midnight. Lows around 82. Southeast Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monacillo Temperature Statistics

September Temperature

San Juan Fernando Luis Ribas Dominicci (6.2 miles)

  • Lowest 1 September, 2026

    77 °F

  • Average September

    85.7 °F

  • Highest 4 September, 2026

    89.6 °F

Climate (2021–2026)

San Juan Fernando Luis Ribas Dominicci (6.2 miles)

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  • Average Low 2021–2026

    77.8 °F

  • Average 2021–2026

    82.6 °F

  • Average High 2021–2026

    85.4 °F
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