Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

Lat: 36.03333°NLon: 119.06667°WElev: 443.0ft.

Clear

81°F

27°C

Humidity 15%
Wind Speed N 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 May 08:00 PM PDT
Extended Forecast for

4 Miles E Porterville CA

  • Tonight

    Tonight: Clear, with a low around 58. North northwest wind around 5 mph becoming southeast after midnight.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Light and variable wind becoming west northwest 5 to 10 mph in the morning.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. North northwest wind around 5 mph becoming southeast in the evening.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62. Northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 62 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95. Southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 62. Northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. West northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 58. North northwest wind around 5 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 91. Light and variable wind becoming west northwest 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 61. North northwest wind around 5 mph becoming southeast in the evening.
Thursday
Sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 62. Northwest wind 5 to 10 mph becoming southeast in the evening.
Friday
Sunny, with a high near 95. Southeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Clear, with a low around 62. Northwest wind 5 to 10 mph becoming southeast in the evening.
Saturday
Sunny, with a high near 94. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60. West northwest wind 5 to 10 mph becoming southeast in the evening.
Sunday
Sunny, with a high near 92. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 60. Northwest wind 5 to 10 mph becoming southeast in the evening.
Memorial Day
Sunny, with a high near 91. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming southeast in the evening.
Tuesday
Sunny, with a high near 90. Light and variable wind becoming west northwest 5 to 10 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Porterville CA
 36.05°N 118.95°W (Elev. 597 ft)
8:13 pm PDT May 19, 2026
8pm PDT May 19, 2026-6pm PDT May 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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