Grass Valley, Oregon Weather
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Weather Forecast for Grass Valley, Oregon : Sherman County
Issued: 10:52 pm PDT Sep 2, 2025 Latitude: 45.3601247 Longitude: -120.7856114 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight Mostly Sunny on Wednesday Sunny on Thursday Partly Sunny on Friday 40% chance of on Saturday Mostly Sunny on Sunday 20% chance of on Monday 20% chance of on Tuesday
Low: 66°F High: 96°F High: 95°F High: 90°F High: 82°F High: 80°F High: 77°F High: 72°F
Low: 66°F Low: 67°F Low: 63°F Low: 59°F Low: 58°F Low: 56°F  
Cloudy Mostly Sunny Sunny Partly Sunny Partly Sunny Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
THE DALLES - (KDLS)
75°
Clear
as of 12:53 AM PDST
Rel. Humidity: 53%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
REDMOND - (KRDM)
73°
Clear
as of 12:56 AM PDST
Rel. Humidity: 29%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
5 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
TROUTDALE - (KTTD)
70°
Clear
as of 12:53 AM PDST
Rel. Humidity: 77%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
VANCOUVER - (KVUO)
73°
Clear
as of 12:53 AM PDST
Rel. Humidity: 69%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
3 MPH
310° Northwest
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 66. Calm wind.
Mostly Sunny on Wednesday Wednesday... Widespread haze after 11am. Mostly sunny, with a high near 96. Calm wind becoming north around 6 mph in the afternoon.
Cloudy on Wednesday Night Wednesday Night... Widespread haze before 11pm. Partly cloudy, with a low around 66. North wind 5 to 7 mph becoming southwest after midnight.
Sunny on Thursday Thursday... Sunny, with a high near 95. Light and variable wind becoming northwest 5 to 7 mph in the morning.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 67. North wind 5 to 9 mph becoming southwest after midnight.
Partly Sunny on Friday Friday... Partly sunny, with a high near 90.
30% chance of rain Friday Night Friday Night... A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 63.
40% chance of Saturday Saturday... A 40 percent chance of showers. Partly sunny, with a high near 82.
20% chance of rain Saturday Night Saturday Night... A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 59.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 80.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 58.
20% chance of Monday Monday... A chance of showers. Partly sunny, with a high near 77.
20% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 56.
20% chance of Tuesday Tuesday... A chance of showers. Partly sunny, with a high near 72.
Current Radar Image


Sun Almanac for Grass Valley, Oregon
Sunrise: 06:28 AM
Sunset: 7:37 PM
Civil Sunrise:05:58 AM
Civil Sunset: 8:07 PM
Nautical Sunrise: 05:21 AM
Nautical Sunset: 8:43 PM
Astro Sunrise: 04:43 AM
Astro Sunset: 9:22 PM
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