Lostine Reservoir, OR 7-Day Weather Forecast
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Lostine Reservoir Weather Forecast


Lostine Reservoir, OR Weather Forecast Date: 1132 PM PDT Sun Aug 23 2026
Weather forecast for Lostine Reservoir, OR
| Tonight Lo: 50°F Lo: 10°C |
Tonight... Mostly clear. Patchy smoke. Lows in the mid 40s to mid 50s. |
| Mon Lo: 56°F Lo: 13°C |
Monday... Sunny. Patchy smoke. Highs in the mid 70s to lower 80s, except in the mid 80s to lower 90s valleys. |
| Tue |
Tuesday... Sunny. Highs in the upper 70s to upper 80s, except in the upper 80s to mid 90s valleys. |
| Wed |
Wednesday... Partly cloudy. Highs in the mid 70s to mid 80s, except in the upper 80s to mid 90s valleys. Lows in the lower 50s to lower 60s. |
| Thu |
Thursday... Mostly clear. Highs in the upper 60s to upper 70s, except in the upper 70s to upper 80s valleys. Lows in the upper 40s to upper 50s. |
| Fri |
Friday... Mostly clear. Highs in the upper 60s to upper 70s, except in the upper 70s to upper 80s valleys. Lows in the upper 40s to upper 50s. |
| Fri |
Friday... Mostly clear. Highs in the upper 60s to upper 70s, except in the upper 70s to upper 80s valleys. Lows in the upper 40s to upper 50s. |
| Sat |
Saturday... Mostly clear. Highs in the lower 60s to lower 70s, except in the lower 70s to lower 80s valleys. Lows in the lower 40s to lower 50s. |
| Sun |
Sunday... Mostly clear. Highs in the lower 60s to lower 70s, except in the lower 70s to lower 80s valleys. Lows in the lower 40s to lower 50s. |
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