Porterville Weather Forecast

    • 55
    • 81

    Sunny

    • 58
    • 87

    Sunny

    • 60
    • 89

    Sunny

    • 62
    • 94

    Sunny

    • 60
    • 95

    Mostly Sunny

    • 58
    • 92

    Mostly Sunny

    • 59
    • 89

    Sunny

Today 18 May Visalia - Porterville - Reedley

Sunny. Highs in the lower 80s. West Winds up to 5 Mph shifting to the northwest 5 to 15 Mph in the afternoon.

Tonight 18 May Visalia - Porterville - Reedley

Clear. Lows in the lower 50s. Northwest Winds 5 to 15 Mph shifting to the southwest up to 5 Mph after midnight.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Porterville Temperature Statistics

May Temperature

Porterville, Porterville Municipal Airport (3.1 miles)

  • Lowest 14 May, 2025

    45 °F
  • Average May

    69.7 °F
  • Highest 10 May, 2025

    100 °F

Climate (2020–Present)

Porterville, Porterville Municipal Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    51.5 °F
  • Average 2020–2025

    64.9 °F
  • Average High 2020–2025

    79.3 °F
Get WillyWeather+ to remove ads