Weather for Gaston, Oregon
Current Weather
Humidity: 83%
Feels Like: 52.9°F
Wind: NNW 4.9 mph
Wind Gusts: 10.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Tue
H: 90°F
L: 58°F
Wed
H: 82°F
L: 56°F
Thu
H: 72°F
L: 52°F
Fri
H: 72°F
L: 47°F
Sat
H: 56°F
L: 46°F
Air Quality
Nitrogen Dioxide: 11.66 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 71 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:21 PM
Daylight: 12 hrs 28 mins
Moon Transit: 9:10 AM
Moonset: 5:19 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%
Best Times for Fishing or Hunting
Major Periods
8:40 AM - 11:10 AM4:32 PM - 7:02 PM
Minor Periods
4:49 PM - 6:19 PM12:18 AM - 1:48 AM
Action Rating: 3 out of 5
Red Flag Warning issued September 15 at 12:51PM PDT until September 16 at 11:00PM PDT by NWS Seattle WA
Effective: Mon September 15, 2025, 12:51 PM
Expires: Tue September 16, 2025, 3:00 AM
The National Weather Service in Seattle has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 5 AM to 11 PM PDT Tuesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 655 Black Hills and Southwest Interior Lowlands, Fire Weather Zone 656 Northeast Puget Sound Lowlands Generally Below 1500 Feet, Fire Weather Zone 657 Southeast Puget Sound Lowlands Generally Below 1500 Feet, Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * WINDS...East winds 15 to 30 mph with local gusts to 45 mph. * RELATIVE HUMIDITY...As low as 25 to 30 percent. * IMPACTS...A combination of moderate breezes, low relative humidity, and warm temperatures can contribute to rapid rates of spread and down-wind spotting on existing fires. If a fire were to begin, air quality may diminish in the surrounding area. * ADDITIONAL DETAILS...Winds will be greatest along the gaps of the Cascades along the I-90 and US-2 corridor as well as around Enumclaw and in the Cowlitz Valley.
A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. Outdoor burning is not recommended.
Red Flag Warning issued September 15 at 12:51PM PDT until September 16 at 11:00PM PDT by NWS Seattle WA
Effective: Mon September 15, 2025, 12:51 PM
Expires: Tue September 16, 2025, 3:00 AM
The National Weather Service in Seattle has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 5 AM to 11 PM PDT Tuesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 655 Black Hills and Southwest Interior Lowlands, Fire Weather Zone 656 Northeast Puget Sound Lowlands Generally Below 1500 Feet, Fire Weather Zone 657 Southeast Puget Sound Lowlands Generally Below 1500 Feet, Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * WINDS...East winds 15 to 30 mph with local gusts to 45 mph. * RELATIVE HUMIDITY...As low as 25 to 30 percent. * IMPACTS...A combination of moderate breezes, low relative humidity, and warm temperatures can contribute to rapid rates of spread and down-wind spotting on existing fires. If a fire were to begin, air quality may diminish in the surrounding area. * ADDITIONAL DETAILS...Winds will be greatest along the gaps of the Cascades along the I-90 and US-2 corridor as well as around Enumclaw and in the Cowlitz Valley.
A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. Outdoor burning is not recommended.
Weather Forecast
Average Temperature: 71°F
Average Humidity: 46%
Wind: 6.3 mph
UV Index: 1.4
Air Quality
Nitrogen Dioxide: 9.96 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 73.84 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:21 PM
Daylight: 12 hrs 28 mins
Moon Transit: 9:10 AM
Moonset: 5:19 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%
Best Times for Fishing or Hunting
Major Periods
8:40 AM - 11:10 AM4:32 PM - 7:02 PM
Minor Periods
4:49 PM - 6:19 PM12:18 AM - 1:48 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 65.8°F
Average Humidity: 64%
Wind: 6.7 mph
UV Index: 1.3
Air Quality
Nitrogen Dioxide: 6.7 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 68.04 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 7:19 PM
Daylight: 12 hrs 25 mins
Moon Transit: 10:04 AM
Moonset: 5:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%
Best Times for Fishing or Hunting
Major Periods
5:25 PM - 7:55 PM9:34 AM - 12:04 AM
Minor Periods
5:19 PM - 6:49 PM1:34 AM - 3:04 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 59.7°F
Average Humidity: 78%
Wind: 7.4 mph
UV Index: 1.3
Air Quality
Nitrogen Dioxide: 3.69 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 64.08 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 7:17 PM
Daylight: 12 hrs 21 mins
Moon Transit: 10:54 AM
Moonset: 6:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%
Best Times for Fishing or Hunting
Major Periods
6:13 PM - 8:43 PM10:24 AM - 12:54 AM
Minor Periods
5:43 PM - 7:13 PM2:49 AM - 4:19 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 58.6°F
Average Humidity: 64%
Wind: 4.9 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 7.29 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 57.92 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 7:15 PM
Daylight: 12 hrs 18 mins
Moon Transit: 11:40 AM
Moonset: 6:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%
Best Times for Fishing or Hunting
Major Periods
6:58 PM - 9:28 PM11:10 AM - 1:40 PM
Minor Periods
6:03 PM - 7:33 PM4:03 AM - 5:33 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 50.4°F
Average Humidity: 92%
Wind: 4.7 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 7:13 PM
Daylight: 12 hrs 15 mins
Moon Transit: 12:23 AM
Moonset: 6:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%
Best Times for Fishing or Hunting
Major Periods
7:40 PM - 10:10 PM11:53 AM - 2:23 PM
Minor Periods
6:19 PM - 7:49 PM5:13 AM - 6:43 AM
Action Rating: 4 out of 5