Belfast Weather Forecast

    • 56
    • 98

    Hot

    • 48
    • 88

    Chance Thunderstorms

    • 49
    • 88

    Mostly Sunny

    • 52
    • 91

    Mostly Sunny

    • 53
    • 95

    Sunny

    • 52
    • 96

    Sunny

Today 18 Jun Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy in the morning then clearing. Highs 88 to 98. Light Winds becoming southwest around 10 Mph in the afternoon.

Tonight 18 Jun Lassen-Eastern Plumas-Eastern Sierra Counties

Partly cloudy. Slight chance of Showers and Thunderstorms in the Evening, then slight chance of Showers after midnight. Lows 49 to 59. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belfast Temperature Statistics

June Temperature

Reno/Stead (61.5 miles)

  • Lowest 1 June, 2026

    42.8 °F

  • Average June

    68.7 °F

  • Highest 15 June, 2026

    93.2 °F

Climate (2021–2026)

Reno/Stead (61.5 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    64.6 °F
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