National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

73°F

23°C

Humidity 56%
Wind Speed NW 5 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Aug 12:05 AM PDT
Extended Forecast for

3 Miles SSE Porterville CA

  • Overnight

    Overnight: Clear, with a low around 62. Northwest wind around 5 mph becoming calm.

    Low: 62 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 90. South wind around 5 mph becoming northwest in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61. Northwest wind around 5 mph becoming calm after midnight.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. South wind around 5 mph becoming west northwest in the afternoon.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62. Northwest wind around 5 mph becoming south after midnight.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. South wind around 5 mph becoming west northwest in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Northwest wind around 5 mph becoming east southeast after midnight.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 99. Southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Northwest wind around 5 mph becoming calm after midnight.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 62. Northwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 90. South wind around 5 mph becoming northwest in the afternoon.
Monday Night
Clear, with a low around 61. Northwest wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 93. South wind around 5 mph becoming west northwest in the afternoon.
Tuesday Night
Clear, with a low around 62. Northwest wind around 5 mph becoming south after midnight.
Wednesday
Sunny, with a high near 94. South wind around 5 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. Northwest wind around 5 mph becoming east southeast after midnight.
Thursday
Sunny, with a high near 99. Southeast wind around 5 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 73. Northwest wind around 5 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 104. Southeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 75. West northwest wind around 5 mph becoming southeast in the evening.
Saturday
Sunny and hot, with a high near 103. South southeast wind around 5 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 74. West northwest wind 5 to 10 mph becoming southeast in the evening.
Sunday
Sunny and hot, with a high near 101. South southeast wind around 5 mph becoming west northwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Porterville CA
 36.02°N 119°W (Elev. 492 ft)
Last Update:
11:57 pm PDT Aug 17, 2025
Forecast Valid:
12am PDT Aug 18, 2025-6pm PDT Aug 24, 2025
 
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Additional Resources

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