Weather WorldJefferson Lake, OR 7-Day Night Weather Forecast
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Jefferson Lake, OR Weather Forecast
Jefferson Lake, OR Weather Forecast Date: 302 PM PDT Mon Aug 17 2026
The area/counties/county of: East Slopes Of The Oregon Cascades, including the cities of: Camp Sherman, La Pine, Sisters, and Sunriver.or toggle through each period.
Tonight... Partly cloudy. Patchy smoke. Lows in the mid 40s to mid 50s.
Tuesday... Sunny. Patchy smoke. Highs in the mid 70s to mid 80s, except in the mid to upper 80s valleys. Gusts up to 20 mph in the afternoon.
Tuesday Night... Mostly clear. Lows in the mid 40s to lower 50s. Gusts up to 25 mph in the evening.
Wednesday... Partly cloudy. Highs in the mid 70s to mid 80s, except in the mid 80s to lower 90s valleys.
Wednesday Night... Mostly clear. Lows in the upper 40s to upper 50s.
Thursday... Partly cloudy. Highs in the mid 70s to mid 80s, except in the mid 80s to lower 90s valleys. Lows in the upper 40s to upper 50s.
Thursday Night... Partly cloudy. Highs in the mid 70s to mid 80s, except in the mid 80s to lower 90s valleys. Lows in the upper 40s to upper 50s.
Friday... Mostly cloudy. Highs in the lower 70s to lower 80s, except in the lower to mid 80s valleys.
Friday Night... Partly cloudy with a 20% chance of rain showers. Lows in the mid 40s to lower 50s.
Saturday... Mostly clear. Highs in the upper 60s to upper 70s. Lows in the lower 40s to lower 50s.
Sunday... Mostly clear. Highs in the upper 60s to upper 70s. Lows in the lower 40s to lower 50s.
POP = Probability of Precipitation
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