Three Rivers Weather Forecast

    • 55
    • 79

    Becoming Sunny

    • 43
    • 77

    Mostly Sunny

    • 41
    • 69

    Mostly Sunny

    • 48
    • 70

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 58
    • 80

    Partly Sunny

Today 18 Sep Eastern Hampden

Partly sunny in the Morning, then clearing. Patchy fog in the morning. Highs around 80. North Winds around 5 Mph, becoming west in the afternoon.

Tonight 18 Sep Eastern Hampden

Mostly cloudy with a 30 percent chance of Showers. Patchy fog. Near steady temperature in the upper 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Rivers Temperature Statistics

September Temperature

Chicopee Falls / Westover Air Force Base (8.7 miles)

  • Lowest 8 September, 2025

    43.9 °F

  • Average September

    64.2 °F

  • Highest 6 September, 2025

    85.1 °F

Climate (2020–Present)

Chicopee Falls / Westover Air Force Base (8.7 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    61.5 °F
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