Hour by hour weather updates and local hourly weather forecasts for Porterville, California including, temperature, precipitation, dew point, humidity and wind Current conditions at Porterville, Porterville Municipal Airport (KPTV) Lat: 36.03333°NLon: 119.06667°WElev: 443ft. Station Data. Winds ESE at 5 to 10 mph.. Tonight Porterville, CA (93257) Today. The barometric pressure is 30.25 - measured by inch of mercury units - and is rising since its last observation. Sunny. Porterville, CA (93257) Today. Low 42F. Porterville 5 day forecast with weather outlook providing day and night summary including precipitation, high and low temperatures presented in Fahrenheit and Celsius, sky conditions, rain chance, sunrise, sunset, wind chill, and wind speed with direction. Porterville, CA - Weather forecast from Theweather.com. Low 43F. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Porterville, CA, US with The Weather Network. Latest weather News: Cold, wet conditions affects Sequoia Complex Porterville CA 5 Day Weather Forecast from LocalConditions.com. . Monthly: 1981-2010 normals 7-hour rain and snow forecast for Porterville, CA with 24-hour rain accumulation, radar and satellite maps of precipitation by Weather Underground. The current weather report for Porterville CA, as of 3:56 AM PST TUE NOV 10 2020, has a sky condition of Fair with the visibility of 10.00 miles. It is 35 degrees fahrenheit, or 2 degrees celsius and feels like 30 degrees fahrenheit. High 69F. Monthly averages Porterville Longitude: -119.063, Latitude: 36.0296 Average weather Porterville, CA - 93257. Updated: January 21, 2021 @ 12:52 pm Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. Weather forecast, weather radar, 5-day forecast, 7-day forecast, 10-day forecast and natural disaster alerts of Porterville, CA. 39.9 °F Now Feels Like 32.2 °F Porterville, Porterville Municipal Airport (3.6 miles) Relative Humidity 67% Porterville, Porterville Municipal Airport (3.6 miles); Rain Today 0in (0in Last Hour) Porterville, Porterville Municipal Airport (3.6 miles) Wind SE 6.9mph Porterville, Porterville Municipal Airport (3.6 miles) Some clouds. Winds light and variable.. Tonight. Partly cloudy this evening with more clouds for overnight. Winds ESE at 5 to 10 mph.