Weather WorldGrassy Reservoir, OR 7-Day Weather Forecast
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Grassy Reservoir Weather Forecast
Grassy Reservoir, OR Weather Forecast Date: 230 PM MDT Fri Aug 14 2026
Weather forecast for Grassy Reservoir, OR
Tonight Lo: 58°F Lo: 14°C |
Tonight... Partly cloudy. Lows 52 to 62. North winds 10 to 15 mph with gusts to 25 mph. |
Sat Hi: 88°FHi: 31°C Lo: 57°F Lo: 14°C |
Saturday... Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Chance of rain 20%. Highs 84 to 91. Southwest winds 10 to 15 mph. |
Sun Hi: 90°FHi: 32°C Lo: 59°F Lo: 15°C |
Sunday... Mostly sunny. Highs 86 to 93. Light winds in the morning, becoming south up to 10 mph in the afternoon. |
Mon Hi: 89°FHi: 32°C Lo: 56°F Lo: 13°C |
Monday... Mostly cloudy in the morning, then becoming partly sunny. Highs 85 to 91. |
Tue Hi: 89°FHi: 32°C Lo: 55°F Lo: 13°C |
Tuesday... Partly cloudy. Highs 84 to 92. Lows 49 to 59. |
| Wed Hi: 89°FHi: 32°C Lo: 55°F Lo: 13°C |
Wednesday... Partly cloudy. Highs 84 to 92. Lows 49 to 59. |
| Thu Hi: 89°FHi: 32°C Lo: 55°F Lo: 13°C |
Thursday... Partly cloudy. Highs 84 to 92. Lows 49 to 59. |
| Fri Hi: 89°FHi: 32°C Lo: 55°F Lo: 13°C |
Friday... Partly cloudy. Highs 84 to 92. Lows 49 to 59. |
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