Greenwich Weather Forecast

    • 69
    • 81

    Chance Rain Showers

    • 68
    • 87

    Rain Showers

    • 67
    • 88

    Rain Showers Likely

    • 64
    • 84

    Chance Thunderstorms

    • 62
    • 82

    Slight Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

    • 67
    • 89

    Mostly Sunny

Today 8 Jul Southern Fauquier

Partly sunny with isolated Showers and Thunderstorms. Highs in the lower 80s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 8 Jul Southern Fauquier

Mostly cloudy with isolated Thunderstorms. Isolated Showers this Evening, then scattered Showers after midnight. Lows in the upper 60s. Southeast Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenwich Temperature Statistics

July Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (7.5 miles)

  • Lowest 1 July, 2026

    70 °F

  • Average July

    83.5 °F

  • Highest 4 July, 2026

    100 °F

Climate (2021–2026)

Manassas, Manassas Regional Airport/Harry P. Davis Field (7.5 miles)

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

  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    68.1 °F
Get WillyWeather+ to remove ads