Weather for Jefferson, Oregon
Current Weather
Humidity: 84%
Heat Index: 47.4°F
Feels Like: 44.6°F
Wind: S 3.7 mph
Wind Gusts: 10 mph
Wind Chill: 44.6°F
Dew Point: 44.6°F
Chance of Precipitation: 10%
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 10 mi
UV Index: 0
Five Day Weather Forecast
Fri
H: 51°F
L: 37°F
Sat
H: 43°F
L: 34°F
Sun
H: 40°F
L: 30°F
Mon
H: 46°F
L: 33°F
Tue
H: 46°F
L: 35°F
Air Quality
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 78 μg/m3
Astronomical
Sun Transit: 12:13 AM
Sunset: 4:38 PM
Daylight: 8 hrs 49 mins
Moon Transit: 12:00 AM
Moonset: 11:50 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:08 AM - 2:38 AM
Minor Periods
12:00 AM - 12:00 AM11:00 AM - 12:30 AM
Action Rating: 2 out of 5
Winter Weather Advisory issued December 25 at 1:10PM PST until December 27 at 4:00PM PST by NWS Portland OR
Effective: Thu December 25, 2025, 1:10 PM
Expires: Fri December 26, 2025, 7:00 AM
* WHAT...Snow expected above 4000 ft. Total snow accumulations up to 11 inches. Winds gusting as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From 4 AM Friday to 4 PM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...During periods of heavier snow and stronger winds, visibility may be impacted.
Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com.
Winter Weather Advisory issued December 26 at 2:10AM PST until December 27 at 4:00PM PST by NWS Portland OR
Effective: Fri December 26, 2025, 2:10 AM
Expires: Fri December 26, 2025, 4:00 PM
* WHAT...Snow expected above 4000 ft. Total snow accumulations between 6 and 11 inches. Winds gusting as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...During periods of heavier snow and stronger winds, visibility may be impacted.
Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map
Weather Forecast
Average Temperature: 42.1°F
Average Humidity: 90%
Wind: 9.4 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 9.67 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 47.08 μg/m3
Astronomical
Sun Transit: 12:13 AM
Sunset: 4:38 PM
Daylight: 8 hrs 49 mins
Moon Transit: 12:00 AM
Moonset: 11:50 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:08 AM - 2:38 AM
Minor Periods
12:00 AM - 12:00 AM11:00 AM - 12:30 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 38.6°F
Average Humidity: 89%
Wind: 4.9 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 2.71 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 81.32 μg/m3
Astronomical
Sun Transit: 12:13 AM
Sunset: 4:39 PM
Daylight: 8 hrs 50 mins
Moon Transit: 1:23 AM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%
Best Times for Fishing or Hunting
Major Periods
12:53 AM - 3:23 AM12:53 AM - 3:23 AM
Minor Periods
11:19 AM - 12:49 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 35.7°F
Average Humidity: 92%
Wind: 5.6 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 13.84 μg/m3
Sulphur Dioxide: 2.79 μg/m3
Ozone: 50.04 μg/m3
Astronomical
Sun Transit: 12:14 AM
Sunset: 4:39 PM
Daylight: 8 hrs 50 mins
Moon Transit: 7:07 PM
Moonset: 1:04 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%
Best Times for Fishing or Hunting
Major Periods
1:39 AM - 4:09 AM6:37 PM - 9:07 PM
Minor Periods
11:40 AM - 1:10 PM12:34 AM - 2:04 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 37.3°F
Average Humidity: 91%
Wind: 6 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 16.37 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 35.48 μg/m3
Astronomical
Sun Transit: 12:14 AM
Sunset: 4:40 PM
Daylight: 8 hrs 51 mins
Moon Transit: 8:00 PM
Moonset: 2:22 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
2:30 AM - 5:00 AM7:30 PM - 10:00 PM
Minor Periods
12:04 AM - 1:34 PM1:52 AM - 3:22 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 37.9°F
Average Humidity: 90%
Wind: 4 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 24.13 μg/m3
Sulphur Dioxide: 2.93 μg/m3
Ozone: 20.31 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 4:41 PM
Daylight: 8 hrs 52 mins
Moon Transit: 8:57 PM
Moonset: 3:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%
Best Times for Fishing or Hunting
Major Periods
3:23 AM - 5:53 AM8:27 PM - 10:57 PM
Minor Periods
12:34 AM - 2:04 PM3:13 AM - 4:43 AM
Action Rating: 2 out of 5