Porterville, Oregon Weather
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Weather Forecast for Porterville, Oregon : Grant County
Issued: 3:37 pm PDT Sep 3, 2025 Latitude: 44.795703 Longitude: -118.3952233 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Tonight Partly Sunny on Thursday 20% chance of rain on Friday 50% chance of thunderstorms on Saturday 40% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday Thunderstorms on Tuesday Thunderstorms on Wednesday
Low: 57°F High: 85°F High: 85°F High: 81°F High: 75°F High: 71°F High: 62°F High: 60°F
Low: 56°F Low: 55°F Low: 50°F Low: 48°F Low: 45°F Low: 44°F  
Mostly Cloudy Partly Sunny Rain Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
BAKER - (KBKE)
93°
Clear
as of 2:53 PM PDST
Rel. Humidity: 16%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
5 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
LA GRANDE - (KLGD)
99°
Clear
as of 2:56 PM PDST
Rel. Humidity: 16%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
PENDLETON - (KPDT)
95°
Clear
as of 2:53 PM PDST
Rel. Humidity: 19%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
12 MPH
310° Northwest
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Widespread haze before 11pm. Mostly cloudy, with a low around 57. Light northwest wind.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 85. Light north wind.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 56. Light north wind.
20% chance of rain Friday Friday... A 20 percent chance of showers after 11am. Mostly sunny, with a high near 85. Calm wind.
20% chance of rain Friday Night Friday Night... A 20 percent chance of showers. Partly cloudy, with a low around 55. Calm wind.
50% chance of thunderstorms Saturday Saturday... A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 81. Chance of precipitation is 50%.
40% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
40% chance of thunderstorms Sunday Sunday... A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 75. Chance of precipitation is 40%.
30% chance of rain Sunday Night Sunday Night... A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 48.
20% chance of thunderstorms Monday Monday... A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 71.
20% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 45.
Thunderstorms on Tuesday Tuesday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 62.
20% chance of rain Tuesday Night Tuesday Night... A chance of showers. Mostly cloudy, with a low around 44.
Thunderstorms on Wednesday Wednesday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 60.
Current Radar Image


Sun Almanac for Porterville, Oregon
Sunrise: 06:19 AM
Sunset: 7:26 PM
Civil Sunrise:05:49 AM
Civil Sunset: 7:56 PM
Nautical Sunrise: 05:13 AM
Nautical Sunset: 8:32 PM
Astro Sunrise: 04:35 AM
Astro Sunset: 9:10 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.