Coos Bay - Isthmus Slough Entrance Weather Forecast

    • 45
    • 63

    Mostly Sunny

    • 48
    • 70

    Increasing Clouds

    • 50
    • 70

    Mostly Cloudy

    • 51
    • 65

    Mostly Cloudy

    • 47
    • 64

    Partly Sunny

    • 48
    • 64

    Chance Rain

    • 47
    • 62

    Chance Rain

Today 31 May South Central Oregon Coast

Sunny. Highs in the lower to mid 60s. North Winds 15 to 20 Mph.

Tonight 31 May South Central Oregon Coast

Mostly clear. Lows in the mid 40s. Along the Coast, north Winds 10 to 20 Mph. Inland, north Winds 15 to 20 Mph becoming northeast 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coos Bay - Isthmus Slough Entrance Temperature Statistics

May Temperature

Southwest Oregon Regional Airport (3.1 miles)

  • Lowest 19 May, 2026

    44.6 °F

  • Average May

    55 °F

  • Highest 9 May, 2026

    62.6 °F

Climate (2021–Present)

Southwest Oregon Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    59.8 °F
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