Lake Upsilon Weather Forecast

    • 28
    • 59

    Chance Rain

    • 30
    • 38

    Chance Freezing Rain

    • 39
    • 52

    Partly Sunny

    • 32
    • 64

    Mostly Cloudy

    • 21
    • 42

    Chance Rain/Snow

    • 18
    • 32

    Mostly Cloudy

Today 12 Apr Rolette

Areas of dense fog in the morning. Mostly cloudy with a 40 percent chance of Showers. Highs in the upper 50s. Southwest Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph in the afternoon.

Tonight 12 Apr Rolette

Cloudy with a slight chance of rain. Areas of dense fog. Lows in the mid 30s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Upsilon Temperature Statistics

April Temperature

ROLLA (11.2 miles)

  • Lowest 1 April, 2026

    6.8 °F

  • Average April

    29 °F

  • Highest 4 April, 2026

    41 °F

Climate (2021–Present)

ROLLA (11.2 miles)

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  • Average Low 2021–2026

    28.7 °F

  • Average 2021–2026

    38.8 °F

  • Average High 2021–2026

    48.4 °F
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