Weather for West Linn, Oregon
Current Weather
Five Day Weather Forecast
Thu
H: 98°F
L: 60°F
Fri
H: 93°F
L: 57°F
Sat
H: 89°F
L: 56°F
Sun
H: 89°F
L: 54°F
Mon
H: 89°F
L: 55°F
Air Quality
Nitrogen Dioxide: 9 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 40 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:32 PM
Daylight: 14 hrs 30 mins
Moon Transit: 7:16 AM
Moonset: 3:23 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%
Best Times for Fishing or Hunting
Major Periods
6:46 AM - 9:16 AM2:43 PM - 5:13 PM
Minor Periods
2:53 PM - 4:23 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Fire Weather Watch issued August 6 at 4:38AM PDT until August 8 at 11:00PM PDT by NWS Pendleton OR
Effective: Thu August 6, 2026, 4:38 AM
Expires: Thu August 6, 2026, 3:00 PM
...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY FRIDAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (60- 80% chance) overlap with low relative humidity and generate Red Flag conditions Friday afternoon and Saturday afternoon. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zone 703 Warm Springs Reservation. * TIMING...From Friday morning through Saturday evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Heat Advisory issued August 5 at 11:06PM PDT until August 6 at 11:00PM PDT by NWS Portland OR
Effective: Wed August 5, 2026, 11:06 PM
Expires: Thu August 6, 2026, 2:00 PM
* WHAT...Afternoon high temperatures of 90 to 95 degrees and morning low temperatures of 55 to 63 degrees expected. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 11 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...The warmest overnight lows are expected in urban areas.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued August 5 at 9:56PM PDT until August 6 at 11:00PM PDT by NWS Portland OR
Effective: Wed August 5, 2026, 9:56 PM
Expires: Thu August 6, 2026, 12:15 PM
* WHAT...Afternoon high temperatures of 90 to 95 degrees and morning low temperatures of 55 to 63 degrees expected. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 11 PM PDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Fire Weather Watch issued August 5 at 9:19PM PDT until August 8 at 11:00PM PDT by NWS Pendleton OR
Effective: Wed August 5, 2026, 9:19 PM
Expires: Thu August 6, 2026, 5:30 AM
...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY FRIDAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (60- 80% chance) overlap with low relative humidity and generate Red Flag conditions Friday afternoon and Saturday afternoon. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zone 703 Warm Springs Reservation. * TIMING...From Friday morning through Saturday evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.62 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 87.25 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:32 PM
Daylight: 14 hrs 30 mins
Moon Transit: 7:16 AM
Moonset: 3:23 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%
Best Times for Fishing or Hunting
Major Periods
6:46 AM - 9:16 AM2:43 PM - 5:13 PM
Minor Periods
2:53 PM - 4:23 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.23 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 61.5 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:30 PM
Daylight: 14 hrs 28 mins
Moon Transit: 8:16 AM
Moonset: 4:41 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%
Best Times for Fishing or Hunting
Major Periods
7:46 AM - 10:16 AM3:44 PM - 6:14 PM
Minor Periods
4:11 PM - 5:41 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 0.79 μg/m3
Ozone: 56.38 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:29 PM
Daylight: 14 hrs 25 mins
Moon Transit: 9:19 AM
Moonset: 5:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.6%
Best Times for Fishing or Hunting
Major Periods
8:49 AM - 11:19 AM4:48 PM - 7:18 PM
Minor Periods
5:21 PM - 6:51 PM12:20 AM - 1:50 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 58.21 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:27 PM
Daylight: 14 hrs 22 mins
Moon Transit: 10:24 AM
Moonset: 6:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.8%
Best Times for Fishing or Hunting
Major Periods
5:53 PM - 8:23 PM9:54 AM - 12:24 AM
Minor Periods
6:19 PM - 7:49 PM1:23 AM - 2:53 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.13 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 40.5 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:26 PM
Daylight: 14 hrs 20 mins
Moon Transit: 11:28 AM
Moonset: 7:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.2%
Best Times for Fishing or Hunting
Major Periods
6:56 PM - 9:26 PM10:58 AM - 1:28 PM
Minor Periods
7:03 PM - 8:33 PM2:39 AM - 4:09 AM
Action Rating: 3 out of 5