Sydney Harbour Weather Forecast

    • 65
    • 81

    Decreasing Clouds

    • 66
    • 81

    Areas Fog

    • 65
    • 82

    Patchy Fog

    • 45
    • 82

    Mostly Cloudy

    • 32
    • 53

    Mostly Cloudy

    • 32
    • 50

    Partly Sunny

Today 25 Dec Montgomery

Mostly cloudy in the Morning, then becoming mostly sunny. Areas of fog in the morning. Highs around 80. South Winds 5 to 10 Mph.

Tonight 25 Dec Montgomery

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Lows in the lower 60s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sydney Harbour Temperature Statistics

December Temperature

Houston, Hooks Memorial Airport (9.3 miles)

  • Lowest 15 December, 2025

    32 °F

  • Average December

    55.3 °F

  • Highest 22 December, 2025

    82.9 °F

Climate (2020–Present)

Houston, Hooks Memorial Airport (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    61.3 °F

  • Average 2020–2025

    71.3 °F

  • Average High 2020–2025

    82 °F
Get WillyWeather+ to remove ads