Weather for West Richland, Washington
Current Weather
Five Day Weather Forecast
Sat
H: 100°F
L: 63°F
Sun
H: 97°F
L: 60°F
Mon
H: 98°F
L: 70°F
Tue
H: 106°F
L: 71°F
Wed
H: 108°F
L: 75°F
Air Quality
Nitrogen Dioxide: 7.3 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 50 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:44 PM
Daylight: 15 hrs 20 mins
Moon Transit: 4:56 PM
Moonset: 10:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
12:01 AM - 2:31 AM4:26 PM - 6:56 PM
Minor Periods
10:25 PM - 11:55 PM10:14 AM - 11:44 AM
Action Rating: 2 out of 5
Red Flag Warning issued July 17 at 10:38PM PDT until July 18 at 10:00PM PDT by NWS Pendleton OR
Effective: Fri July 17, 2026, 10:38 PM
Expires: Sat July 18, 2026, 7:30 AM
...BREEZY WINDS AND LOW RELATIVE HUMIDITY THROUGH SATURDAY EVENING... .Breezy diurnally driven westerly winds coupled with low relative humidity is expected to continue through the Lower Columbia Basin of Oregon each afternoon and evening through Saturday. Relative humidity will be above critical thresholds overnight. * AFFECTED AREA...Fire Weather Zone 691 Lower Columbia Basin of Oregon. * TIMING...Until 10 PM PDT Saturday. * WINDS...West 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Red Flag Warning issued July 18 at 5:11AM PDT until July 18 at 10:00PM PDT by NWS Pendleton OR
Effective: Sat July 18, 2026, 5:11 AM
Expires: Sat July 18, 2026, 5:00 PM
...BREEZY WINDS AND LOW RELATIVE HUMIDITY THROUGH SATURDAY EVENING... .Breezy diurnally driven westerly winds coupled with low relative humidity is expected to continue through the Lower Columbia Basin of Oregon each afternoon and evening through Saturday. Relative humidity will be above critical thresholds overnight. * AFFECTED AREA...Fire Weather Zone 691 Lower Columbia Basin of Oregon. * TIMING...Until 10 PM PDT this evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Red Flag Warning issued July 18 at 4:30AM PDT until July 18 at 10:00PM PDT by NWS Pendleton OR
Effective: Sat July 18, 2026, 4:30 AM
Expires: Sat July 18, 2026, 4:00 PM
...BREEZY WINDS AND LOW RELATIVE HUMIDITY THROUGH SATURDAY EVENING... .Breezy diurnally driven westerly winds coupled with low relative humidity is expected to continue through the Lower Columbia Basin of Oregon each afternoon and evening through Saturday. Relative humidity will be above critical thresholds overnight. * AFFECTED AREA...Fire Weather Zone 691 Lower Columbia Basin of Oregon. * TIMING...Until 10 PM PDT this evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 185 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 78.92 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:44 PM
Daylight: 15 hrs 20 mins
Moon Transit: 4:56 PM
Moonset: 10:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
12:01 AM - 2:31 AM4:26 PM - 6:56 PM
Minor Periods
10:25 PM - 11:55 PM10:14 AM - 11:44 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.84 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 81.29 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:43 PM
Daylight: 15 hrs 18 mins
Moon Transit: 5:39 PM
Moonset: 11:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%
Best Times for Fishing or Hunting
Major Periods
12:46 AM - 3:16 AM5:09 PM - 7:39 PM
Minor Periods
12:00 AM - 12:00 AM11:25 AM - 12:55 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 16.58 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 81.5 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:42 PM
Daylight: 15 hrs 16 mins
Moon Transit: 6:23 PM
Moonset: 12:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%
Best Times for Fishing or Hunting
Major Periods
1:30 AM - 4:00 AM5:53 PM - 8:23 PM
Minor Periods
12:36 AM - 2:06 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 16.35 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 88.42 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:41 PM
Daylight: 15 hrs 14 mins
Moon Transit: 7:07 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%
Best Times for Fishing or Hunting
Major Periods
2:13 AM - 4:43 AM6:37 PM - 9:07 PM
Minor Periods
1:45 PM - 3:15 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 17.55 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 65.5 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:40 PM
Daylight: 15 hrs 12 mins
Moon Transit: 7:53 PM
Moonset: 12:51 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%
Best Times for Fishing or Hunting
Major Periods
2:58 AM - 5:28 AM7:23 PM - 9:53 PM
Minor Periods
2:54 PM - 4:24 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5